com.panet.imeta.trans.steps.scriptvalues_mod.ScriptValuesAddedFunctions.java Source code

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Here is the source code for com.panet.imeta.trans.steps.scriptvalues_mod.ScriptValuesAddedFunctions.java

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/* Copyright (c) 2007 Pentaho Corporation.  All rights reserved. 
* This software was developed by Pentaho Corporation and is provided under the terms 
* of the GNU Lesser General Public License, Version 2.1. You may not use 
* this file except in compliance with the license. If you need a copy of the license, 
* please go to http://www.gnu.org/licenses/lgpl-2.1.txt. The Original Code is Pentaho 
* Data Integration.  The Initial Developer is Pentaho Corporation.
*
* Software distributed under the GNU Lesser Public License is distributed on an "AS IS" 
* basis, WITHOUT WARRANTY OF ANY KIND, either express or  implied. Please refer to 
* the license for the specific language governing your rights and limitations.*/
/**********************************************************************
**                                                                   **
** This Script has been modified for higher performance              **
** and more functionality in December-2006,                          **
** by proconis GmbH / Germany                                        **
**                                                                   ** 
** http://www.proconis.de                                            **
** info@proconis.de                                                  **
**                                                                   **
**********************************************************************/

package com.panet.imeta.trans.steps.scriptvalues_mod;

import java.io.DataOutputStream;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.Reader;
import java.net.InetAddress;
import java.nio.ByteBuffer;
import java.nio.CharBuffer;
import java.nio.charset.Charset;
import java.nio.charset.CharsetDecoder;
import java.sql.ResultSet;
import java.sql.ResultSetMetaData;
import java.text.DateFormat;
import java.text.DecimalFormat;
import java.text.DecimalFormatSymbols;
import java.text.Format;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.List;
import java.util.Locale;
import java.util.Properties;
import java.util.TimeZone;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

import javax.mail.Message;
import javax.mail.Session;
import javax.mail.Transport;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeMessage;

import org.apache.commons.vfs.FileObject;
import org.apache.commons.vfs.FileType;
import org.apache.commons.vfs.FileUtil;
import org.mozilla.javascript.Context;
import org.mozilla.javascript.EvaluatorException;
import org.mozilla.javascript.Function;
import org.mozilla.javascript.JavaScriptException;
import org.mozilla.javascript.Scriptable;
import org.mozilla.javascript.ScriptableObject;
import org.mozilla.javascript.WrappedException;

import com.panet.imeta.core.Const;
import com.panet.imeta.core.database.Database;
import com.panet.imeta.core.database.DatabaseMeta;
import com.panet.imeta.core.gui.SpoonFactory;
import com.panet.imeta.core.gui.SpoonInterface;
import com.panet.imeta.core.row.RowDataUtil;
import com.panet.imeta.core.row.RowMetaInterface;
import com.panet.imeta.core.variables.VariableSpace;
import com.panet.imeta.core.vfs.KettleVFS;

public class ScriptValuesAddedFunctions extends ScriptableObject {

    public static final long serialVersionUID = 1L;

    public static final int STRING_FUNCTION = 0;
    public static final int NUMERIC_FUNCTION = 1;
    public static final int DATE_FUNCTION = 2;
    public static final int LOGIC_FUNCTION = 3;
    public static final int SPECIAL_FUNCTION = 4;
    public static final int FILE_FUNCTION = 5;

    public static String[] jsFunctionList = { "appendToFile", "getTransformationName", "writeToLog",
            "getFiscalDate", "getProcessCount", "ceil", "floor", "abs", "getDayNumber", "isWorkingDay", "fireToDB",
            "getNextWorkingDay", "quarter", "dateDiff", "dateAdd", "fillString", "isCodepage", "ltrim", "rtrim",
            "lpad", "rpad", "week", "month", "year", "str2RegExp", "fileExists", "touch", "isRegExp", "date2str",
            "str2date", "sendMail", "replace", "decode", "isNum", "isDate", "lower", "upper", "str2num", "num2str",
            "Alert", "setEnvironmentVar", "getEnvironmentVar", "LoadScriptFile", "LoadScriptFromTab", "print",
            "println", "resolveIP", "trim", "substr", "getVariable", "setVariable", "LuhnCheck", "getDigitsOnly",
            "indexOf", "getOutputRowMeta", "getInputRowMeta", "createRowCopy", "putRow", "deleteFile",
            "createFolder", "copyFile", "getFileSize", "isFile", "isFolder", "getShortFilename", "getFileExtension",
            "getParentFoldername", "getLastModifiedTime", "trunc", "truncDate", "moveFile", };

    // This is only used for reading, so no concurrency problems.
    // todo: move in the real variables of the step.
    // private static VariableSpace variables = Variables.getADefaultVariableSpace();

    // Functions to Add
    // date2num, num2date,  
    // fisc_date, isNull
    // 

    public static String getDigitsOnly(Context actualContext, Scriptable actualObject, Object[] ArgList,
            Function FunctionContext) {
        if (ArgList.length == 1) {
            return Const.getDigitsOnly(Context.toString(ArgList[0]));
        } else {
            throw Context.reportRuntimeError("The function call getDigitsOnly requires 1 argument.");

        }
    }

    public static boolean LuhnCheck(Context actualContext, Scriptable actualObject, Object[] ArgList,
            Function FunctionContext) {

        boolean returnCode = false;

        if (ArgList.length == 1) {
            if (!isNull(ArgList) && !isUndefined(ArgList)) {
                try {
                    int sum = 0;
                    int digit = 0;
                    int addend = 0;
                    boolean timesTwo = false;
                    String argstring = Context.toString(ArgList[0]);

                    for (int i = argstring.length() - 1; i >= 0; i--) {
                        digit = Integer.parseInt(argstring.substring(i, i + 1));
                        if (timesTwo) {
                            addend = digit * 2;
                            if (addend > 9) {
                                addend -= 9;
                            }
                        } else {
                            addend = digit;
                        }
                        sum += addend;
                        timesTwo = !timesTwo;
                    }

                    int modulus = sum % 10;
                    if (modulus == 0)
                        returnCode = true;
                } catch (Exception e) {
                    //No Need to throw exception
                    // This means that input can not be parsed to Integer
                }

            }
        } else {
            throw Context.reportRuntimeError("The function call LuhnCheck requires 1 argument.");

        }
        return returnCode;
    }

    public static int indexOf(Context actualContext, Scriptable actualObject, Object[] ArgList,
            Function FunctionContext) {

        int returnIndex = -1;

        if (ArgList.length == 2 || ArgList.length == 3) {
            if (!isNull(ArgList) && !isUndefined(ArgList)) {
                String string = Context.toString(ArgList[0]);
                String subString = Context.toString(ArgList[1]);

                int fromIndex = 0;
                if (ArgList.length == 3)
                    fromIndex = (int) Math.round(Context.toNumber(ArgList[2]));
                returnIndex = string.indexOf(subString, fromIndex);
            }
        } else {
            throw Context.reportRuntimeError("The function call indexOf requires 2 or 3 arguments");
        }
        return returnIndex;
    }

    public static Object getTransformationName(Context actualContext, Scriptable actualObject, Object[] ArgList,
            Function FunctionContext) {
        try {
            Object objTranName = Context.toString(actualObject.get("_TransformationName_", actualObject));
            return (String) objTranName;
        } catch (Exception e) {
            throw Context.reportRuntimeError(e.toString());
        }
    }

    public static void appendToFile(Context actualContext, Scriptable actualObject, Object[] ArgList,
            Function FunctionContext) {

        if (!isNull(ArgList) && !isUndefined(ArgList)) {
            try {
                FileOutputStream file = new FileOutputStream(Context.toString(ArgList[0]), true);
                DataOutputStream out = new DataOutputStream(file);
                out.writeBytes(Context.toString(ArgList[1]));
                out.flush();
                out.close();
            } catch (Exception er) {
                throw Context.reportRuntimeError(er.toString());
            }
        } else {
            throw Context.reportRuntimeError("The function call appendToFile requires arguments.");
        }
    }

    public static Object getFiscalDate(Context actualContext, Scriptable actualObject, Object[] ArgList,
            Function FunctionContext) {

        if (ArgList.length == 2) {
            try {
                if (isNull(ArgList))
                    return null;
                else if (isUndefined(ArgList))
                    return Context.getUndefinedValue();
                java.util.Date dIn = (java.util.Date) Context.jsToJava(ArgList[0], java.util.Date.class);
                Calendar startDate = Calendar.getInstance();
                Calendar fisStartDate = Calendar.getInstance();
                Calendar fisOffsetDate = Calendar.getInstance();
                startDate.setTime(dIn);
                Format dfFormatter = new SimpleDateFormat("dd.MM.yyyy");
                String strOffsetDate = Context.toString(ArgList[1]) + String.valueOf(startDate.get(Calendar.YEAR));
                java.util.Date dOffset = (java.util.Date) dfFormatter.parseObject(strOffsetDate);
                fisOffsetDate.setTime(dOffset);

                String strFisStartDate = "01.01." + String.valueOf(startDate.get(Calendar.YEAR) + 1);
                fisStartDate.setTime((java.util.Date) dfFormatter.parseObject(strFisStartDate));
                int iDaysToAdd = (int) ((startDate.getTimeInMillis() - fisOffsetDate.getTimeInMillis()) / 86400000);
                fisStartDate.add(Calendar.DATE, iDaysToAdd);
                return fisStartDate.getTime();
            } catch (Exception e) {
                throw Context.reportRuntimeError(e.toString());
            }
        } else {
            throw Context.reportRuntimeError("The function call getFiscalDate requires 2 arguments.");
        }

    }

    public static double getProcessCount(Context actualContext, Scriptable actualObject, Object[] ArgList,
            Function FunctionContext) {

        if (ArgList.length == 1) {
            try {
                Object scmO = actualObject.get("_step_", actualObject);
                ScriptValuesModInterface scm = (ScriptValuesModInterface) Context.jsToJava(scmO,
                        ScriptValuesModInterface.class);
                String strType = Context.toString(ArgList[0]);

                if (strType.toLowerCase().equals("i"))
                    return (double) scm.getLinesInput();
                else if (strType.toLowerCase().equals("o"))
                    return (double) scm.getLinesOutput();
                else if (strType.toLowerCase().equals("r"))
                    return (double) scm.getLinesRead();
                else if (strType.toLowerCase().equals("u"))
                    return (double) scm.getLinesUpdated();
                else if (strType.toLowerCase().equals("w"))
                    return (double) scm.getLinesWritten();
                else if (strType.toLowerCase().equals("e"))
                    return (double) scm.getLinesRejected();
                else
                    return 0;
            } catch (Exception e) {
                //throw Context.reportRuntimeError(e.toString());
                return 0;
            }
        } else {
            throw Context.reportRuntimeError("The function call getProcessCount requires 1 argument.");
        }
    }

    public static void writeToLog(Context actualContext, Scriptable actualObject, Object[] ArgList,
            Function FunctionContext) {

        switch (ArgList.length) {
        case 1:
            try {
                if (!isNull(ArgList) && !isUndefined(ArgList)) {
                    Object scmO = actualObject.get("_step_", actualObject);
                    ScriptValuesMod scm = (ScriptValuesMod) Context.jsToJava(scmO, ScriptValuesMod.class);
                    String strMessage = Context.toString(ArgList[0]);
                    scm.logDebug(strMessage);
                }
            } catch (Exception e) {
            }
            break;
        case 2:
            try {
                if (!isNull(ArgList) && !isUndefined(ArgList)) {
                    Object scmO = actualObject.get("_step_", actualObject);
                    ScriptValuesMod scm = (ScriptValuesMod) Context.jsToJava(scmO, ScriptValuesMod.class);

                    String strType = Context.toString(ArgList[0]);
                    String strMessage = Context.toString(ArgList[1]);
                    if (strType.toLowerCase().equals("b"))
                        scm.logBasic(strMessage);
                    else if (strType.toLowerCase().equals("d"))
                        scm.logDebug(strMessage);
                    else if (strType.toLowerCase().equals("l"))
                        scm.logDetailed(strMessage);
                    else if (strType.toLowerCase().equals("e"))
                        scm.logError(strMessage);
                    else if (strType.toLowerCase().equals("m"))
                        scm.logMinimal(strMessage);
                    else if (strType.toLowerCase().equals("r"))
                        scm.logRowlevel(strMessage);
                }
            } catch (Exception e) {
            }
            break;
        default:
            throw Context.reportRuntimeError("The function call writeToLog requires 1 or 2 arguments.");
        }
    }

    private static boolean isUndefined(Object ArgList) {
        return isUndefined(new Object[] { ArgList }, new int[] { 0 });
    }

    private static boolean isUndefined(Object[] ArgList, int[] iArrToCheck) {
        for (int i = 0; i < iArrToCheck.length; i++) {
            if (ArgList[iArrToCheck[i]].equals(Context.getUndefinedValue()))
                return true;
        }
        return false;
    }

    private static boolean isNull(Object ArgList) {
        return isNull(new Object[] { ArgList }, new int[] { 0 });
    }

    private static boolean isNull(Object[] ArgList) {
        for (int i = 0; i < ArgList.length; i++) {
            if (ArgList[i] == null || ArgList[i].equals(null))
                return true;
        }
        return false;
    }

    private static boolean isNull(Object[] ArgList, int[] iArrToCheck) {
        for (int i = 0; i < iArrToCheck.length; i++) {
            if (ArgList[iArrToCheck[i]] == null || ArgList[iArrToCheck[i]].equals(null))
                return true;
        }
        return false;
    }

    public static Object abs(Context actualContext, Scriptable actualObject, Object[] ArgList,
            Function FunctionContext) {

        if (ArgList.length == 1) {
            try {
                if (isNull(ArgList[0]))
                    return new Double(Double.NaN);
                else if (isUndefined(ArgList[0]))
                    return Context.getUndefinedValue();
                else
                    return new Double(Math.abs(Context.toNumber(ArgList[0])));
            } catch (Exception e) {
                return null;
            }
        } else {
            throw Context.reportRuntimeError("The function call abs requires 1 argument.");
        }
    }

    public static Object ceil(Context actualContext, Scriptable actualObject, Object[] ArgList,
            Function FunctionContext) {
        if (ArgList.length == 1) {
            try {
                if (isNull(ArgList[0]))
                    return new Double(Double.NaN);
                else if (isUndefined(ArgList[0]))
                    return Context.getUndefinedValue();
                else
                    return new Double(Math.ceil(Context.toNumber(ArgList[0])));
            } catch (Exception e) {
                return null;
            }
        } else {
            throw Context.reportRuntimeError("The function call ceil requires 1 argument.");
        }
    }

    public static Object floor(Context actualContext, Scriptable actualObject, Object[] ArgList,
            Function FunctionContext) {
        if (ArgList.length == 1) {
            try {
                if (isNull(ArgList[0]))
                    return new Double(Double.NaN);
                else if (isUndefined(ArgList[0]))
                    return Context.getUndefinedValue();
                else
                    return new Double(Math.floor(Context.toNumber(ArgList[0])));
            } catch (Exception e) {
                return null;
                //throw Context.reportRuntimeError(e.toString());      
            }
        } else {
            throw Context.reportRuntimeError("The function call floor requires 1 argument.");
        }
    }

    public static Object getDayNumber(Context actualContext, Scriptable actualObject, Object[] ArgList,
            Function FunctionContext) {
        if (ArgList.length == 2) {
            try {
                if (isNull(ArgList[0]))
                    return new Double(Double.NaN);
                else if (isUndefined(ArgList[0]))
                    return Context.getUndefinedValue();
                else {
                    java.util.Date dIn = (java.util.Date) Context.jsToJava(ArgList[0], java.util.Date.class);
                    String strType = Context.toString(ArgList[1]);
                    Calendar startDate = Calendar.getInstance();
                    startDate.setTime(dIn);
                    if (strType.toLowerCase().equals("y"))
                        return new Double(startDate.get(Calendar.DAY_OF_YEAR));
                    else if (strType.toLowerCase().equals("m"))
                        return new Double(startDate.get(Calendar.DAY_OF_MONTH));
                    else if (strType.toLowerCase().equals("w"))
                        return new Double(startDate.get(Calendar.DAY_OF_WEEK));
                    else if (strType.toLowerCase().equals("wm"))
                        return new Double(startDate.get(Calendar.DAY_OF_WEEK_IN_MONTH));
                    else if (strType.toLowerCase().equals("l"))
                        return new Long(startDate.getTimeInMillis());
                    return new Double(startDate.get(Calendar.DAY_OF_YEAR));
                }
            } catch (Exception e) {
                return null;
                //throw Context.reportRuntimeError(e.toString());      
            }
        } else {
            throw Context.reportRuntimeError("The function call getDayNumber requires 2 arguments.");
        }
    }

    public static Object isWorkingDay(Context actualContext, Scriptable actualObject, Object[] ArgList,
            Function FunctionContext) {
        if (ArgList.length == 1) {
            try {
                if (isNull(ArgList[0]))
                    return null;
                else if (isUndefined(ArgList[0]))
                    return Context.getUndefinedValue();
                else {
                    java.util.Date dIn = (java.util.Date) Context.jsToJava(ArgList[0], java.util.Date.class);
                    Calendar startDate = Calendar.getInstance();
                    startDate.setTime(dIn);
                    if (startDate.get(Calendar.DAY_OF_WEEK) != Calendar.SATURDAY
                            && startDate.get(Calendar.DAY_OF_WEEK) != Calendar.SUNDAY)
                        return Boolean.TRUE;
                    return Boolean.FALSE;
                }
            } catch (Exception e) {
                return null;
            }
        } else {
            throw Context.reportRuntimeError("The function call isWorkingDay requires 1 argument.");
        }
    }

    public static Object fireToDB(Context actualContext, Scriptable actualObject, Object[] ArgList,
            Function FunctionContext) {

        Object oRC = new Object();
        if (ArgList.length == 2) {
            try {
                Object scmO = actualObject.get("_step_", actualObject);
                ScriptValuesMod scm = (ScriptValuesMod) Context.jsToJava(scmO, ScriptValuesMod.class);
                String strDBName = Context.toString(ArgList[0]);
                String strSQL = Context.toString(ArgList[1]);
                DatabaseMeta ci = DatabaseMeta.findDatabase(scm.getTransMeta().getDatabases(), strDBName);
                ci.shareVariablesWith(scm);

                Database db = new Database(ci);
                db.setQueryLimit(0);
                try {
                    db.connect();
                    ResultSet rs = db.openQuery(strSQL);
                    ResultSetMetaData resultSetMetaData = rs.getMetaData();
                    int columnCount = resultSetMetaData.getColumnCount();
                    if (rs != null) {
                        List<Object[]> list = new ArrayList<Object[]>();
                        while (rs.next()) {
                            Object[] objRow = new Object[columnCount];
                            for (int i = 0; i < columnCount; i++) {
                                objRow[i] = rs.getObject(i + 1);
                            }
                            list.add(objRow);
                        }
                        Object[][] resultArr = new Object[list.size()][];
                        list.toArray(resultArr);
                        db.disconnect();
                        return resultArr;
                    }
                } catch (Exception er) {
                    throw Context.reportRuntimeError(er.toString());
                }
            } catch (Exception e) {
            }
        } else {
            throw Context.reportRuntimeError("The function call fireToDB requires 2 arguments.");
        }
        return oRC;
    }

    public static Object dateDiff(Context actualContext, Scriptable actualObject, Object[] ArgList,
            Function FunctionContext) {
        if (ArgList.length == 3) {
            try {
                if (isNull(ArgList, new int[] { 0, 1, 2 }))
                    return new Double(Double.NaN);
                else if (isUndefined(ArgList, new int[] { 0, 1, 2 }))
                    return Context.getUndefinedValue();
                else {
                    java.util.Date dIn1 = (java.util.Date) Context.jsToJava(ArgList[0], java.util.Date.class);
                    java.util.Date dIn2 = (java.util.Date) Context.jsToJava(ArgList[1], java.util.Date.class);
                    String strType = Context.toString(ArgList[2]);
                    int iRC = 0;

                    Calendar startDate = Calendar.getInstance();
                    Calendar endDate = Calendar.getInstance();
                    startDate.setTime(dIn1);
                    endDate.setTime(dIn2);

                    /* Changed by:    Ingo Klose, SHS VIVEON AG,
                     * Date:      27.04.2007
                     *
                     * Calculating time differences using getTimeInMillis() leads to false results
                     * when crossing Daylight Savingstime borders. In order to get correct results
                     * the time zone offsets have to be added.
                     *
                     * Fix:       1.    calculate correct milli seconds for start and end date
                     *             2.    replace endDate.getTimeInMillis() with endL
                     *                and startDate.getTimeInMillis() with startL
                     */
                    long endL = endDate.getTimeInMillis()
                            + endDate.getTimeZone().getOffset(endDate.getTimeInMillis());
                    long startL = startDate.getTimeInMillis()
                            + startDate.getTimeZone().getOffset(startDate.getTimeInMillis());

                    if (strType.toLowerCase().equals("y")) {
                        return new Double(endDate.get(Calendar.YEAR) - startDate.get(Calendar.YEAR));
                    } else if (strType.toLowerCase().equals("m")) {
                        int iMonthsToAdd = (int) (endDate.get(Calendar.YEAR) - startDate.get(Calendar.YEAR)) * 12;
                        return new Double(
                                (endDate.get(Calendar.MONTH) - startDate.get(Calendar.MONTH)) + iMonthsToAdd);
                    } else if (strType.toLowerCase().equals("d")) {
                        return new Double(((endL - startL) / 86400000));
                    } else if (strType.toLowerCase().equals("wd")) {
                        int iOffset = -1;
                        if (endDate.before(startDate))
                            iOffset = 1;
                        while (endL < startL || endL > startL) {
                            int day = endDate.get(Calendar.DAY_OF_WEEK);
                            if ((day != Calendar.SATURDAY) && (day != Calendar.SUNDAY))
                                iRC++;
                            endDate.add(Calendar.DATE, iOffset);
                            endL = endDate.getTimeInMillis()
                                    + endDate.getTimeZone().getOffset(endDate.getTimeInMillis());
                        }
                        return new Double(iRC);
                    } else if (strType.toLowerCase().equals("w")) {
                        int iDays = (int) ((endL - startL) / 86400000);
                        return new Double(iDays / 7);
                    } else if (strType.toLowerCase().equals("ss")) {
                        return new Double(((endL - startL) / 1000));
                    } else if (strType.toLowerCase().equals("mi")) {
                        return new Double(((endL - startL) / 60000));
                    } else if (strType.toLowerCase().equals("hh")) {
                        return new Double(((endL - startL) / 3600000));
                    } else {
                        return new Double(((endL - startL) / 86400000));
                    }
                    /*
                       * End Bugfix
                     */
                }
            } catch (Exception e) {
                throw Context.reportRuntimeError(e.toString());
            }
        } else {
            throw Context.reportRuntimeError("The function call dateDiff requires 3 arguments.");
        }
    }

    public static Object getNextWorkingDay(Context actualContext, Scriptable actualObject, Object[] ArgList,
            Function FunctionContext) {
        //(Date dIn){
        if (ArgList.length == 1) {
            try {
                if (isNull(ArgList[0]))
                    return null;
                else if (isUndefined(ArgList[0]))
                    return Context.getUndefinedValue();
                java.util.Date dIn = (java.util.Date) Context.jsToJava(ArgList[0], java.util.Date.class);
                Calendar startDate = Calendar.getInstance();
                startDate.setTime(dIn);
                startDate.add(Calendar.DATE, 1);
                while (startDate.get(Calendar.DAY_OF_WEEK) == Calendar.SATURDAY
                        || startDate.get(Calendar.DAY_OF_WEEK) == Calendar.SUNDAY) {
                    startDate.add(Calendar.DATE, 1);
                }
                return startDate.getTime();
            } catch (Exception e) {
                throw Context.reportRuntimeError(e.toString());
            }
        } else {
            throw Context.reportRuntimeError("The function call getNextWorkingDay requires 1 argument.");
        }
    }

    public static Object dateAdd(Context actualContext, Scriptable actualObject, Object[] ArgList,
            Function FunctionContext) {
        if (ArgList.length == 3) {
            try {
                if (isNull(ArgList, new int[] { 0, 1, 2 }))
                    return null;
                else if (isUndefined(ArgList, new int[] { 0, 1, 2 }))
                    return Context.getUndefinedValue();
                java.util.Date dIn = (java.util.Date) Context.jsToJava(ArgList[0], java.util.Date.class);
                String strType = Context.toString(ArgList[1]);
                int iValue = (int) Context.toNumber(ArgList[2]);
                Calendar cal = Calendar.getInstance();
                cal.setTime(dIn);
                if (strType.toLowerCase().equals("y"))
                    cal.add(Calendar.YEAR, iValue);
                else if (strType.toLowerCase().equals("m"))
                    cal.add(Calendar.MONTH, iValue);
                else if (strType.toLowerCase().equals("d"))
                    cal.add(Calendar.DATE, iValue);
                else if (strType.toLowerCase().equals("w"))
                    cal.add(Calendar.WEEK_OF_YEAR, iValue);
                else if (strType.toLowerCase().equals("wd")) {
                    int iOffset = 0;
                    while (iOffset < iValue) {
                        int day = cal.get(Calendar.DAY_OF_WEEK);
                        cal.add(Calendar.DATE, 1);
                        if ((day != Calendar.SATURDAY) && (day != Calendar.SUNDAY))
                            iOffset++;
                    }
                } else if (strType.toLowerCase().equals("hh"))
                    cal.add(Calendar.HOUR, iValue);
                else if (strType.toLowerCase().equals("mi"))
                    cal.add(Calendar.MINUTE, iValue);
                else if (strType.toLowerCase().equals("ss"))
                    cal.add(Calendar.SECOND, iValue);
                return cal.getTime();
            } catch (Exception e) {
                throw Context.reportRuntimeError(e.toString());
            }
        } else {
            throw Context.reportRuntimeError("The function call dateAdd requires 3 arguments.");
        }
    }

    public static String fillString(Context actualContext, Scriptable actualObject, Object[] ArgList,
            Function FunctionContext) {
        if (ArgList.length == 2) {
            try {
                if (isNull(ArgList, new int[] { 0, 1 }))
                    return null;
                else if (isUndefined(ArgList, new int[] { 0, 1 }))
                    return (String) Context.getUndefinedValue();
                String fillChar = Context.toString(ArgList[0]);
                int count = (int) Context.toNumber(ArgList[1]);
                if (fillChar.length() != 1) {
                    throw Context.reportRuntimeError("Please provide a valid Char to the fillString");
                } else {
                    char[] chars = new char[count];
                    while (count > 0)
                        chars[--count] = fillChar.charAt(0);
                    return new String(chars);
                }
            } catch (Exception e) {
                throw Context.reportRuntimeError(e.toString());
            }
        } else {
            throw Context.reportRuntimeError("The function call fillString requires 2 arguments.");
        }
    }

    public static Object isCodepage(Context actualContext, Scriptable actualObject, Object[] ArgList,
            Function FunctionContext) {
        boolean bRC = false;
        if (ArgList.length == 2) {
            try {
                if (isNull(ArgList, new int[] { 0, 1 }))
                    return null;
                else if (isUndefined(ArgList, new int[] { 0, 1 }))
                    return Context.getUndefinedValue();
                String strValueToCheck = Context.toString(ArgList[0]);
                String strCodePage = Context.toString(ArgList[1]);
                byte bytearray[] = strValueToCheck.getBytes();
                CharsetDecoder d = Charset.forName(strCodePage).newDecoder();
                CharBuffer r = d.decode(ByteBuffer.wrap(bytearray));
                r.toString();
                bRC = true;
            } catch (Exception e) {
                bRC = false;
            }
        } else {
            throw Context.reportRuntimeError("The function call isCodepage requires 2 arguments.");
        }
        return Boolean.valueOf(bRC);
    }

    public static String ltrim(Context actualContext, Scriptable actualObject, Object[] ArgList,
            Function FunctionContext) {
        try {
            if (ArgList.length == 1) {
                if (isNull(ArgList[0]))
                    return null;
                else if (isUndefined(ArgList[0]))
                    return (String) Context.getUndefinedValue();
                String strValueToTrim = Context.toString(ArgList[0]);
                return strValueToTrim.replaceAll("^\\s+", "");
            } else {
                throw Context.reportRuntimeError("The function call ltrim requires 1 argument.");
            }
        } catch (Exception e) {
            throw Context.reportRuntimeError("The function call ltrim is not valid : " + e.getMessage());
        }
    }

    public static String rtrim(Context actualContext, Scriptable actualObject, Object[] ArgList,
            Function FunctionContext) {
        try {
            if (ArgList.length == 1) {
                if (isNull(ArgList[0]))
                    return null;
                else if (isUndefined(ArgList[0]))
                    return (String) Context.getUndefinedValue();
                String strValueToTrim = Context.toString(ArgList[0]);
                return strValueToTrim.replaceAll("\\s+$", "");
            } else {
                throw Context.reportRuntimeError("The function call rtrim requires 1 argument.");
            }
        } catch (Exception e) {
            throw Context.reportRuntimeError("The function call rtrim is not valid : " + e.getMessage());
        }
    }

    public static String lpad(Context actualContext, Scriptable actualObject, Object[] ArgList,
            Function FunctionContext) {

        //(String valueToPad, String filler, int size) {
        try {
            if (ArgList.length == 3) {
                if (isNull(ArgList, new int[] { 0, 1, 2 }))
                    return null;
                else if (isUndefined(ArgList, new int[] { 0, 1, 2 }))
                    return (String) Context.getUndefinedValue();
                String valueToPad = Context.toString(ArgList[0]);
                String filler = Context.toString(ArgList[1]);
                int size = (int) Context.toNumber(ArgList[2]);

                while (valueToPad.length() < size) {
                    valueToPad = filler + valueToPad;
                }
                return valueToPad;
            }
        } catch (Exception e) {
            throw Context.reportRuntimeError("The function call lpad requires 3 arguments.");
        }
        return null;
    }

    public static String rpad(Context actualContext, Scriptable actualObject, Object[] ArgList,
            Function FunctionContext) {
        try {
            if (ArgList.length == 3) {
                if (isNull(ArgList, new int[] { 0, 1, 2 }))
                    return null;
                else if (isUndefined(ArgList, new int[] { 0, 1, 2 }))
                    return (String) Context.getUndefinedValue();
                String valueToPad = Context.toString(ArgList[0]);
                String filler = Context.toString(ArgList[1]);
                int size = (int) Context.toNumber(ArgList[2]);

                while (valueToPad.length() < size) {
                    valueToPad = valueToPad + filler;
                }
                return valueToPad;
            }
        } catch (Exception e) {
            throw Context.reportRuntimeError("The function call rpad requires 3 arguments.");
        }
        return null;
    }

    public static Object year(Context actualContext, Scriptable actualObject, Object[] ArgList,
            Function FunctionContext) {
        try {
            if (ArgList.length == 1) {
                if (isNull(ArgList[0]))
                    return new Double(Double.NaN);
                else if (isUndefined(ArgList[0]))
                    return Context.getUndefinedValue();
                java.util.Date dArg1 = (java.util.Date) Context.jsToJava(ArgList[0], java.util.Date.class);
                Calendar cal = Calendar.getInstance();
                cal.setTime(dArg1);
                return new Double(cal.get(Calendar.YEAR));
            } else {
                throw Context.reportRuntimeError("The function call year requires 1 argument.");
            }
        } catch (Exception e) {
            throw Context.reportRuntimeError(e.toString());
        }
    }

    public static Object month(Context actualContext, Scriptable actualObject, Object[] ArgList,
            Function FunctionContext) {
        try {
            if (ArgList.length == 1) {
                if (isNull(ArgList[0]))
                    return new Double(Double.NaN);
                else if (isUndefined(ArgList[0]))
                    return Context.getUndefinedValue();
                java.util.Date dArg1 = (java.util.Date) Context.jsToJava(ArgList[0], java.util.Date.class);
                Calendar cal = Calendar.getInstance();
                cal.setTime(dArg1);
                return new Double(cal.get(Calendar.MONTH));
            } else {
                throw Context.reportRuntimeError("The function call month requires 1 argument.");
            }
        } catch (Exception e) {
            throw Context.reportRuntimeError(e.toString());
        }

    }

    public static Object quarter(Context actualContext, Scriptable actualObject, Object[] ArgList,
            Function FunctionContext) {
        try {
            if (ArgList.length == 1) {
                if (isNull(ArgList[0]))
                    return new Double(Double.NaN);
                else if (isUndefined(ArgList[0]))
                    return Context.getUndefinedValue();
                java.util.Date dArg1 = (java.util.Date) Context.jsToJava(ArgList[0], java.util.Date.class);
                Calendar cal = Calendar.getInstance();
                cal.setTime(dArg1);

                // Patch by Ingo Klose: calendar months start at 0 in java.
                int iMonth = cal.get(Calendar.MONTH);
                if (iMonth <= 2)
                    return new Double(1);
                else if (iMonth <= 5)
                    return new Double(2);
                else if (iMonth <= 8)
                    return new Double(3);
                else
                    return new Double(4);
            } else {
                throw Context.reportRuntimeError("The function call quarter requires 1 argument.");
            }
        } catch (Exception e) {
            throw Context.reportRuntimeError(e.toString());
        }
    }

    public static Object week(Context actualContext, Scriptable actualObject, Object[] ArgList,
            Function FunctionContext) {
        try {
            if (ArgList.length == 1) {
                if (isNull(ArgList[0]))
                    return new Double(Double.NaN);
                else if (isUndefined(ArgList[0]))
                    return Context.getUndefinedValue();
                java.util.Date dArg1 = (java.util.Date) Context.jsToJava(ArgList[0], java.util.Date.class);
                Calendar cal = Calendar.getInstance();
                cal.setTime(dArg1);
                return new Double(cal.get(Calendar.WEEK_OF_YEAR));
            } else {
                throw Context.reportRuntimeError("The function call week requires 1 argument.");
            }
        } catch (Exception e) {
            throw Context.reportRuntimeError(e.toString());
        }
    }

    public static Object str2RegExp(Context actualContext, Scriptable actualObject, Object[] ArgList,
            Function FunctionContext) {
        String[] strArr = null;
        if (ArgList.length == 2) {
            try {
                if (isNull(ArgList, new int[] { 0, 1 }))
                    return null;
                else if (isUndefined(ArgList, new int[] { 0, 1 }))
                    return Context.getUndefinedValue();
                String strToMatch = Context.toString(ArgList[0]);
                Pattern p = Pattern.compile(Context.toString(ArgList[1]));
                Matcher m = p.matcher(strToMatch);
                if (m.matches() && m.groupCount() > 0) {
                    strArr = new String[m.groupCount()];
                    for (int i = 1; i <= m.groupCount(); i++) {
                        strArr[i - 1] = m.group(i);
                    }
                }
            } catch (Exception e) {
                throw Context.reportRuntimeError(e.toString());
            }
        } else {
            throw Context.reportRuntimeError("The function call str2RegExp requires 2 arguments.");
        }
        return strArr;
    }

    public static void touch(Context actualContext, Scriptable actualObject, Object[] ArgList,
            Function FunctionContext) {
        try {
            if (ArgList.length == 1 && !isNull(ArgList[0]) && !isUndefined(ArgList[0])) {
                File file = new File(Context.toString(ArgList[0]));
                boolean success = file.createNewFile();
                if (!success) {
                    file.setLastModified(System.currentTimeMillis());
                }
            } else {
                throw Context.reportRuntimeError("The function call touch requires 1 valid argument.");
            }
        } catch (Exception e) {
            throw Context.reportRuntimeError(e.toString());
        }
    }

    public static Object fileExists(Context actualContext, Scriptable actualObject, Object[] ArgList,
            Function FunctionContext) {
        try {
            if (ArgList.length == 1 && !isNull(ArgList[0]) && !isUndefined(ArgList[0])) {
                if (ArgList[0].equals(null))
                    return null;
                File file = new File(Context.toString(ArgList[0]));
                return Boolean.valueOf(file.isFile());
            } else {
                throw Context.reportRuntimeError("The function call fileExists requires 1 valid argument.");
            }
        } catch (Exception e) {
            throw Context.reportRuntimeError(e.toString());
        }
    }

    public static Object str2date(Context actualContext, Scriptable actualObject, Object[] ArgList,
            Function FunctionContext) {
        Object oRC = new Object();
        String sArg1 = "";
        String sArg2 = "";
        String sArg3 = "";
        String sArg4 = "";
        switch (ArgList.length) {
        case 0:
            throw Context.reportRuntimeError("Please provide a valid string to the function call str2date.");
        case 1:
            try {
                if (isNull(ArgList[0]))
                    return null;
                else if (isUndefined(ArgList[0]))
                    return Context.getUndefinedValue();
                sArg1 = Context.toString(ArgList[0]);
                Format dfFormatter = new SimpleDateFormat();
                oRC = dfFormatter.parseObject(sArg1);
                //if(Double.isNaN(sArg1))   throw Context.reportRuntimeError("The first Argument must be a Number.");
                //DecimalFormat formatter = new DecimalFormat();
                //sRC= formatter.format(sArg1); 
            } catch (Exception e) {
                throw Context
                        .reportRuntimeError("Could not apply local format for " + sArg1 + " : " + e.getMessage());
            }
            break;
        case 2:
            try {
                if (isNull(ArgList, new int[] { 0, 1 }))
                    return null;
                else if (isUndefined(ArgList, new int[] { 0, 1 }))
                    return Context.getUndefinedValue();
                sArg1 = Context.toString(ArgList[0]);
                sArg2 = Context.toString(ArgList[1]);
                Format dfFormatter = new SimpleDateFormat(sArg2);
                oRC = dfFormatter.parseObject(sArg1);
            } catch (Exception e) {
                throw Context.reportRuntimeError("Could not apply the given format " + sArg2 + " on the string for "
                        + sArg1 + " : " + e.getMessage());
            }
            break;
        case 3:
            try {
                if (isNull(ArgList, new int[] { 0, 1, 2 }))
                    return null;
                else if (isUndefined(ArgList, new int[] { 0, 1, 2 }))
                    return Context.getUndefinedValue();
                sArg1 = Context.toString(ArgList[0]);
                Format dfFormatter;
                sArg2 = Context.toString(ArgList[1]);
                sArg3 = Context.toString(ArgList[2]);
                if (sArg3.length() == 2) {
                    Locale dfLocale = new Locale(sArg3);
                    dfFormatter = new SimpleDateFormat(sArg2, dfLocale);
                    oRC = dfFormatter.parseObject(sArg1);
                } else {
                    throw Context.reportRuntimeError("Locale " + sArg3 + " is not 2 characters long.");
                }
            } catch (Exception e) {
                throw Context.reportRuntimeError(
                        "Could not apply the local format for locale " + sArg3 + " with the given format " + sArg2
                                + " on the string for " + sArg1 + " : " + e.getMessage());
            }
            break;
        case 4:
            try {
                if (isNull(ArgList, new int[] { 0, 1, 2, 3 }))
                    return null;
                else if (isUndefined(ArgList, new int[] { 0, 1, 2, 3 }))
                    return Context.getUndefinedValue();
                sArg1 = Context.toString(ArgList[0]);
                DateFormat dfFormatter;
                sArg2 = Context.toString(ArgList[1]);
                sArg3 = Context.toString(ArgList[2]);
                sArg4 = Context.toString(ArgList[3]);

                // If the timezone is not recognized, java will automatically
                // take GMT.
                TimeZone tz = TimeZone.getTimeZone(sArg4);

                if (sArg3.length() == 2) {
                    Locale dfLocale = new Locale(sArg3);
                    dfFormatter = new SimpleDateFormat(sArg2, dfLocale);
                    dfFormatter.setTimeZone(tz);
                    oRC = dfFormatter.parseObject(sArg1);
                } else {
                    throw Context.reportRuntimeError("Locale " + sArg3 + " is not 2 characters long.");
                }
            } catch (Exception e) {
                throw Context.reportRuntimeError(
                        "Could not apply the local format for locale " + sArg3 + " with the given format " + sArg2
                                + " on the string for " + sArg1 + " : " + e.getMessage());
            }
            break;
        default:
            throw Context.reportRuntimeError("The function call str2date requires 1, 2, 3, or 4 arguments.");
        }
        return oRC;
    }

    public static Object date2str(Context actualContext, Scriptable actualObject, Object[] ArgList,
            Function FunctionContext) {
        Object oRC = new Object();
        switch (ArgList.length) {
        case 0:
            throw Context.reportRuntimeError("Please provide a valid date to the function call date2str.");
        case 1:
            try {
                if (isNull(ArgList))
                    return null;
                else if (isUndefined(ArgList))
                    return Context.getUndefinedValue();
                java.util.Date dArg1 = (java.util.Date) Context.jsToJava(ArgList[0], java.util.Date.class);
                if (dArg1.equals(null))
                    return null;
                Format dfFormatter = new SimpleDateFormat();
                oRC = dfFormatter.format(dArg1);
            } catch (Exception e) {
                throw Context.reportRuntimeError("Could not convert to local format.");
            }
            break;
        case 2:
            try {
                if (isNull(ArgList, new int[] { 0, 1 }))
                    return null;
                else if (isUndefined(ArgList, new int[] { 0, 1 }))
                    return Context.getUndefinedValue();
                java.util.Date dArg1 = (java.util.Date) Context.jsToJava(ArgList[0], java.util.Date.class);
                String sArg2 = Context.toString(ArgList[1]);
                Format dfFormatter = new SimpleDateFormat(sArg2);
                oRC = dfFormatter.format(dArg1);
            } catch (Exception e) {
                throw Context.reportRuntimeError("Could not convert to the given format.");
            }
            break;
        case 3:
            try {
                if (isNull(ArgList, new int[] { 0, 1, 2 }))
                    return null;
                else if (isUndefined(ArgList, new int[] { 0, 1, 2 }))
                    return Context.getUndefinedValue();
                java.util.Date dArg1 = (java.util.Date) Context.jsToJava(ArgList[0], java.util.Date.class);
                DateFormat dfFormatter;
                String sArg2 = Context.toString(ArgList[1]);
                String sArg3 = Context.toString(ArgList[2]);
                if (sArg3.length() == 2) {
                    Locale dfLocale = new Locale(sArg3.toLowerCase());
                    dfFormatter = new SimpleDateFormat(sArg2, dfLocale);
                    oRC = dfFormatter.format(dArg1);
                } else {
                    throw Context.reportRuntimeError("Locale is not 2 characters long.");
                }
            } catch (Exception e) {
                throw Context.reportRuntimeError("Could not convert to the given local format.");
            }
            break;
        case 4:
            try {
                if (isNull(ArgList, new int[] { 0, 1, 2, 3 }))
                    return null;
                else if (isUndefined(ArgList, new int[] { 0, 1, 2, 3 }))
                    return Context.getUndefinedValue();
                java.util.Date dArg1 = (java.util.Date) Context.jsToJava(ArgList[0], java.util.Date.class);
                DateFormat dfFormatter;
                String sArg2 = Context.toString(ArgList[1]);
                String sArg3 = Context.toString(ArgList[2]);
                String sArg4 = Context.toString(ArgList[3]);

                // If the timezone is not recognized, java will automatically
                // take GMT.
                TimeZone tz = TimeZone.getTimeZone(sArg4);

                if (sArg3.length() == 2) {
                    Locale dfLocale = new Locale(sArg3.toLowerCase());
                    dfFormatter = new SimpleDateFormat(sArg2, dfLocale);
                    dfFormatter.setTimeZone(tz);
                    oRC = dfFormatter.format(dArg1);
                } else {
                    throw Context.reportRuntimeError("Locale is not 2 characters long.");
                }
            } catch (Exception e) {
                throw Context.reportRuntimeError("Could not convert to the given local format.");
            }
            break;
        default:
            throw Context.reportRuntimeError("The function call date2str requires 1, 2, 3, or 4 arguments.");
        }
        return oRC;
    }

    public static Object isRegExp(Context actualContext, Scriptable actualObject, Object[] ArgList,
            Function FunctionContext) {

        if (ArgList.length >= 2) {
            if (isNull(ArgList, new int[] { 0, 1 }))
                return null;
            else if (isUndefined(ArgList, new int[] { 0, 1 }))
                return Context.getUndefinedValue();
            String strToMatch = Context.toString(ArgList[0]);
            for (int i = 1; i < ArgList.length; i++) {
                Pattern p = Pattern.compile(Context.toString(ArgList[i]));
                Matcher m = p.matcher(strToMatch);
                if (m.matches())
                    return new Double(i);
            }
        }
        return new Double(-1);
    }

    public static void sendMail(Context actualContext, Scriptable actualObject, Object[] ArgList,
            Function FunctionContext) {

        boolean debug = false;

        // Arguments:
        // String smtp, String from, String recipients[ ], String subject, String message 
        if (ArgList.length == 5) {

            try {
                //Set the host smtp address
                Properties props = new Properties();
                props.put("mail.smtp.host", ArgList[0]);

                // create some properties and get the default Session
                Session session = Session.getDefaultInstance(props, null);
                session.setDebug(debug);

                // create a message
                Message msg = new MimeMessage(session);

                // set the from and to address
                InternetAddress addressFrom = new InternetAddress((String) ArgList[1]);
                msg.setFrom(addressFrom);

                // Get Recipients
                String strArrRecipients[] = ((String) ArgList[2]).split(",");

                InternetAddress[] addressTo = new InternetAddress[strArrRecipients.length];
                for (int i = 0; i < strArrRecipients.length; i++) {
                    addressTo[i] = new InternetAddress(strArrRecipients[i]);
                }
                msg.setRecipients(Message.RecipientType.TO, addressTo);

                // Optional : You can also set your custom headers in the Email if you Want
                msg.addHeader("MyHeaderName", "myHeaderValue");

                // Setting the Subject and Content Type
                msg.setSubject((String) ArgList[3]);
                msg.setContent((String) ArgList[4], "text/plain");
                Transport.send(msg);
            } catch (Exception e) {
                throw Context.reportRuntimeError("sendMail: " + e.toString());
            }
        } else {
            throw Context.reportRuntimeError("The function call sendMail requires 5 arguments.");
        }
    }

    public static String upper(Context actualContext, Scriptable actualObject, Object[] ArgList,
            Function FunctionContext) {
        String sRC = "";
        if (ArgList.length == 1) {
            try {
                if (isNull(ArgList[0]))
                    return null;
                else if (isUndefined(ArgList[0]))
                    return (String) Context.getUndefinedValue();
                sRC = Context.toString(ArgList[0]);
                sRC = sRC.toUpperCase();
            } catch (Exception e) {
                throw Context.reportRuntimeError("The function call upper is not valid : " + e.getMessage());
            }
        } else {
            throw Context.reportRuntimeError("The function call upper requires 1 argument.");
        }
        return sRC;
    }

    public static String lower(Context actualContext, Scriptable actualObject, Object[] ArgList,
            Function FunctionContext) {
        String sRC = "";
        if (ArgList.length == 1) {
            try {
                if (isNull(ArgList[0]))
                    return null;
                else if (isUndefined(ArgList[0]))
                    return (String) Context.getUndefinedValue();
                sRC = Context.toString(ArgList[0]);
                sRC = sRC.toLowerCase();
            } catch (Exception e) {
                throw Context.reportRuntimeError("The function call lower is not valid : " + e.getMessage());
            }
        } else {
            throw Context.reportRuntimeError("The function call lower requires 1 argument.");
        }
        return sRC;
    }

    // Converts the given Numeric to a JScript String
    public static String num2str(Context actualContext, Scriptable actualObject, Object[] ArgList,
            Function FunctionContext) {
        String sRC = "";
        switch (ArgList.length) {
        case 0:
            throw Context.reportRuntimeError("The function call num2str requires at least 1 argument.");
        case 1:
            try {
                if (isNull(ArgList[0]))
                    return null;
                else if (isUndefined(ArgList[0]))
                    return (String) Context.getUndefinedValue();
                double sArg1 = Context.toNumber(ArgList[0]);
                if (Double.isNaN(sArg1))
                    throw Context.reportRuntimeError("The first Argument must be a Number.");
                DecimalFormat formatter = new DecimalFormat();
                sRC = formatter.format(sArg1);
            } catch (IllegalArgumentException e) {
                throw Context
                        .reportRuntimeError("Could not apply the given format on the number : " + e.getMessage());
            }
            break;
        case 2:
            try {
                if (isNull(ArgList, new int[] { 0, 1 }))
                    return null;
                else if (isUndefined(ArgList, new int[] { 0, 1 }))
                    return (String) Context.getUndefinedValue();
                double sArg1 = Context.toNumber(ArgList[0]);
                if (Double.isNaN(sArg1))
                    throw Context.reportRuntimeError("The first Argument must be a Number.");
                String sArg2 = Context.toString(ArgList[1]);
                DecimalFormat formatter = new DecimalFormat(sArg2);
                sRC = formatter.format(sArg1);
            } catch (IllegalArgumentException e) {
                throw Context
                        .reportRuntimeError("Could not apply the given format on the number : " + e.getMessage());
            }
            break;
        case 3:
            try {
                if (isNull(ArgList, new int[] { 0, 1, 2 }))
                    return null;
                else if (isUndefined(ArgList, new int[] { 0, 1, 2 }))
                    return (String) Context.getUndefinedValue();
                double sArg1 = Context.toNumber(ArgList[0]);
                if (Double.isNaN(sArg1))
                    throw Context.reportRuntimeError("The first Argument must be a Number.");
                String sArg2 = Context.toString(ArgList[1]);
                String sArg3 = Context.toString(ArgList[2]);
                if (sArg3.length() == 2) {
                    DecimalFormatSymbols dfs = new DecimalFormatSymbols(new Locale(sArg3.toLowerCase()));
                    DecimalFormat formatter = new DecimalFormat(sArg2, dfs);
                    sRC = formatter.format(sArg1);
                }
            } catch (Exception e) {
                throw Context.reportRuntimeError(e.toString());
            }
            break;
        default:
            throw Context.reportRuntimeError("The function call num2str requires 1, 2, or 3 arguments.");
        }

        return sRC;
    }

    // Converts the given String to a JScript Numeric
    public static Object str2num(Context actualContext, Scriptable actualObject, Object[] ArgList,
            Function FunctionContext) {
        double dRC = 0.00;
        switch (ArgList.length) {
        case 0:
            throw Context.reportRuntimeError("The function call str2num requires at least 1 argument.");
        case 1:
            try {
                if (isNull(ArgList[0]))
                    return new Double(Double.NaN);
                else if (isUndefined(ArgList[0]))
                    return Context.getUndefinedValue();
                if (ArgList[0].equals(null))
                    return null;
                String sArg1 = Context.toString(ArgList[0]);
                DecimalFormat formatter = new DecimalFormat();
                dRC = (formatter.parse(Const.ltrim(sArg1))).doubleValue();
            } catch (Exception e) {
                throw Context.reportRuntimeError("Could not convert the given String : " + e.getMessage());
            }
            break;
        case 2:
            try {
                if (isNull(ArgList, new int[] { 0, 1 }))
                    return new Double(Double.NaN);
                else if (isUndefined(ArgList, new int[] { 0, 1 }))
                    return Context.getUndefinedValue();
                String sArg1 = Context.toString(ArgList[0]);
                String sArg2 = Context.toString(ArgList[1]);
                if (sArg1.equals("null") || sArg2.equals("null"))
                    return null;
                DecimalFormat formatter = new DecimalFormat(sArg2);
                dRC = (formatter.parse(sArg1)).doubleValue();
                return new Double(dRC);
            } catch (Exception e) {
                throw Context.reportRuntimeError(
                        "Could not convert the String with the given format :" + e.getMessage());
            }
            //break;
        case 3:
            try {
                if (isNull(ArgList, new int[] { 0, 1, 2 }))
                    return new Double(Double.NaN);
                else if (isUndefined(ArgList, new int[] { 0, 1, 2 }))
                    return Context.getUndefinedValue();
                String sArg1 = Context.toString(ArgList[0]);
                String sArg2 = Context.toString(ArgList[1]);
                String sArg3 = Context.toString(ArgList[2]);
                if (sArg3.length() == 2) {
                    DecimalFormatSymbols dfs = new DecimalFormatSymbols(new Locale(sArg3.toLowerCase()));
                    DecimalFormat formatter = new DecimalFormat(sArg2, dfs);
                    dRC = (formatter.parse(sArg1)).doubleValue();
                    return new Double(dRC);
                }
            } catch (Exception e) {
                throw Context.reportRuntimeError(e.getMessage());
            }
            break;
        default:
            throw Context.reportRuntimeError("The function call str2num requires 1, 2, or 3 arguments.");
        }
        return new Double(dRC);
    }

    public static Object isNum(Context actualContext, Scriptable actualObject, Object[] ArgList,
            Function FunctionContext) {

        if (ArgList.length == 1) {
            try {
                if (isNull(ArgList[0]))
                    return null;
                else if (isUndefined(ArgList[0]))
                    return Context.getUndefinedValue();
                double sArg1 = Context.toNumber(ArgList[0]);
                if (Double.isNaN(sArg1))
                    return Boolean.FALSE;
                else
                    return Boolean.TRUE;
            } catch (Exception e) {
                return Boolean.FALSE;
            }
        } else {
            throw Context.reportRuntimeError("The function call isNum requires 1 argument.");
        }
    }

    public static Object isDate(Context actualContext, Scriptable actualObject, Object[] ArgList,
            Function FunctionContext) {

        if (ArgList.length == 1) {
            try {
                if (isNull(ArgList[0]))
                    return null;
                else if (isUndefined(ArgList[0]))
                    return Context.getUndefinedValue();
                /* java.util.Date d = (java.util.Date)*/ Context.jsToJava(ArgList[0], java.util.Date.class);
                return Boolean.TRUE;
            } catch (Exception e) {
                return Boolean.FALSE;
            }
        } else {
            throw Context.reportRuntimeError("The function call isDate requires 1 argument.");
        }
    }

    public static Object decode(Context actualContext, Scriptable actualObject, Object[] ArgList,
            Function FunctionContext) {
        try {
            if (ArgList.length >= 2) {
                if (isNull(ArgList, new int[] { 0, 1 }))
                    return null;
                else if (isUndefined(ArgList, new int[] { 0, 1 }))
                    return Context.getUndefinedValue();
                Object objToCompare = ArgList[0];
                for (int i = 1; i < ArgList.length - 1; i = i + 2)
                    if (ArgList[i].equals(objToCompare))
                        return ArgList[i + 1];
                if (ArgList.length % 2 == 0)
                    return ArgList[ArgList.length - 1];
                else
                    return objToCompare;
            } else {
                throw Context.reportRuntimeError("The function call decode requires more than 1 argument.");
            }
        } catch (Exception e) {
            throw Context.reportRuntimeError("The function call decode is not valid : " + e.getMessage());
        }
    }

    public static String replace(Context actualContext, Scriptable actualObject, Object[] ArgList,
            Function FunctionContext) {
        try {
            if (ArgList.length >= 2 && (ArgList.length - 1) % 2 == 0) {
                if (isNull(ArgList, new int[] { 0, 1 }))
                    return null;
                else if (isUndefined(ArgList, new int[] { 0, 1 }))
                    return (String) Context.getUndefinedValue();
                String objForReplace = Context.toString(ArgList[0]);
                for (int i = 1; i < ArgList.length - 1; i = i + 2)
                    objForReplace = objForReplace.replaceAll(Context.toString(ArgList[i]),
                            Context.toString(ArgList[i + 1]));
                return objForReplace;
            } else {
                throw Context
                        .reportRuntimeError("The function call replace is not valid (wrong number of arguments)");
            }
        } catch (Exception e) {
            throw Context.reportRuntimeError("Function call replace is not valid : " + e.getMessage());
        }
    }

    // Implementation of the JS AlertBox
    public static String Alert(Context actualContext, Scriptable actualObject, Object[] ArgList,
            Function FunctionContext) {

        SpoonInterface spoon = SpoonFactory.getInstance();
        if (ArgList.length == 1 && spoon != null) {
            String strMessage = Context.toString(ArgList[0]);
            spoon.messageBox(strMessage, "Alert", false, Const.INFO);
        }

        return "";
    }

    // Setting EnvironmentVar
    public static void setEnvironmentVar(Context actualContext, Scriptable actualObject, Object[] ArgList,
            Function FunctionContext) {
        String sArg1 = "";
        String sArg2 = "";
        if (ArgList.length == 2) {
            try {
                sArg1 = Context.toString(ArgList[0]);
                sArg2 = Context.toString(ArgList[1]);
                System.setProperty(sArg1, sArg2);
            } catch (Exception e) {
                throw Context.reportRuntimeError(e.toString());
            }
        } else {
            throw Context.reportRuntimeError("The function call setEnvironmentVar requires 2 arguments.");
        }
    }

    // Returning EnvironmentVar
    public static String getEnvironmentVar(Context actualContext, Scriptable actualObject, Object[] ArgList,
            Function FunctionContext) {
        String sRC = "";
        if (ArgList.length == 1) {
            try {
                String sArg1 = Context.toString(ArgList[0]);
                sRC = System.getProperty(sArg1, "");
            } catch (Exception e) {
                sRC = "";
            }
        } else {
            throw Context.reportRuntimeError("The function call getEnvironmentVar requires 1 argument.");
        }
        return sRC;
    }

    public static String trim(Context actualContext, Scriptable actualObject, Object[] ArgList,
            Function FunctionContext) {
        String sRC = "";
        if (ArgList.length == 1) {
            try {
                if (isNull(ArgList[0]))
                    return null;
                else if (isUndefined(ArgList[0]))
                    return (String) Context.getUndefinedValue();
                sRC = Context.toString(ArgList[0]);
                sRC = Const.trim(sRC);
            } catch (Exception e) {
                throw Context.reportRuntimeError("The function call trim is not valid : " + e.getMessage());
            }
        } else {
            throw Context.reportRuntimeError("The function call trim requires 1 argument.");
        }
        return sRC;
    }

    public static String substr(Context actualContext, Scriptable actualObject, Object[] ArgList,
            Function FunctionContext) {
        String sRC = "";

        if (ArgList.length == 2) {
            try {
                if (isNull(ArgList[0]))
                    return null;
                else if (isUndefined(ArgList[0]))
                    return (String) Context.getUndefinedValue();
                sRC = Context.toString(ArgList[0]);
                int from = (int) Math.round(Context.toNumber(ArgList[1]));
                sRC = sRC.substring(from);
            } catch (Exception e) {
                throw Context.reportRuntimeError("The function call substr is not valid : " + e.getMessage());
            }
        } else if (ArgList.length == 3) {
            try {
                int to;
                int strLen;

                if (isNull(ArgList[0]))
                    return null;
                else if (isUndefined(ArgList[0]))
                    return (String) Context.getUndefinedValue();
                sRC = Context.toString(ArgList[0]);
                int from = (int) Math.round(Context.toNumber(ArgList[1]));
                int len = (int) Math.round(Context.toNumber(ArgList[2]));

                if (from < 0) {
                    throw Context.reportRuntimeError("start smaller than 0");
                }
                if (len < 0)
                    len = 0; // Make it compatible with Javascript substr

                to = from + len;
                strLen = sRC.length();
                if (to > strLen)
                    to = strLen;
                sRC = sRC.substring(from, to);
            } catch (Exception e) {
                throw Context.reportRuntimeError("The function call substr is not valid : " + e.getMessage());
            }
        } else {
            throw Context.reportRuntimeError("The function call substr requires 2 or 3 arguments.");
        }
        return sRC;
    }

    // Resolve an IP address
    public static String resolveIP(Context actualContext, Scriptable actualObject, Object[] ArgList,
            Function FunctionContext) {
        String sRC = "";
        if (ArgList.length == 2) {
            try {
                InetAddress addr = InetAddress.getByName(Context.toString(ArgList[0]));
                if (Context.toString(ArgList[1]).equals("IP"))
                    sRC = addr.getHostName();
                else
                    sRC = addr.getHostAddress();
                if (sRC.equals(Context.toString(ArgList[0])))
                    sRC = "-";
            } catch (Exception e) {
                sRC = "-";
            }
        } else {
            throw Context.reportRuntimeError("The function call resolveIP requires 2 arguments.");
        }

        return sRC;
    }

    // Loading additional JS Files inside the JavaScriptCode
    public static void LoadScriptFile(Context actualContext, Scriptable actualObject, Object[] ArgList,
            Function FunctionContext) {
        for (int i = 0; i < ArgList.length; i++) { // don't worry about "undefined" arguments
            checkAndLoadJSFile(actualContext, actualObject, Context.toString(ArgList[i]));
        }
    }

    // Adding the ScriptsItemTab to the actual running Context
    public static void LoadScriptFromTab(Context actualContext, Scriptable actualObject, Object[] ArgList,
            Function FunctionContext) {
        try {
            for (int i = 0; i < ArgList.length; i++) { // don't worry about "undefined" arguments
                String strToLoad = Context.toString(ArgList[i]);
                String strScript = actualObject.get(strToLoad, actualObject).toString();
                actualContext.evaluateString(actualObject, strScript, "_" + strToLoad + "_", 0, null);
            }
        } catch (Exception e) {
            //System.out.println(e.toString());
        }
    }

    // Print
    public static void print(Context actualContext, Scriptable actualObject, Object[] ArgList,
            Function FunctionContext) {
        for (int i = 0; i < ArgList.length; i++) { // don't worry about "undefined" arguments
            java.lang.System.out.print(Context.toString(ArgList[i]));
        }
    }

    // Prints Line to the actual System.out
    public static void println(Context actualContext, Scriptable actualObject, Object[] ArgList,
            Function FunctionContext) {
        print(actualContext, actualObject, ArgList, FunctionContext);
        java.lang.System.out.println();
    }

    // Returns the actual ClassName
    public String getClassName() {
        return "SciptValuesAddedFunctions";
    };

    // Evaluates the given ScriptFile
    private static void checkAndLoadJSFile(Context actualContext, Scriptable eval_scope, String fileName) {
        Reader inStream = null;
        try {
            inStream = new InputStreamReader(KettleVFS.getInputStream(fileName));
            actualContext.evaluateReader(eval_scope, inStream, fileName, 1, null);
        } catch (FileNotFoundException Signal) {
            Context.reportError(
                    "Unable to open file \"" + fileName + "\" (reason: \"" + Signal.getMessage() + "\")");
        } catch (WrappedException Signal) {
            Context.reportError("WrappedException while evaluating file \"" + fileName + "\" (reason: \""
                    + Signal.getMessage() + "\")");
        } catch (EvaluatorException Signal) {
            Context.reportError("EvaluatorException while evaluating file \"" + fileName + "\" (reason: \""
                    + Signal.getMessage() + "\")");
        } catch (JavaScriptException Signal) {
            Context.reportError("JavaScriptException while evaluating file \"" + fileName + "\" (reason: \""
                    + Signal.getMessage() + "\")");
        } catch (IOException Signal) {
            Context.reportError(
                    "Error while reading file \"" + fileName + "\" (reason: \"" + Signal.getMessage() + "\")");
        } finally {
            try {
                if (inStream != null)
                    inStream.close();
            } catch (Exception Signal) {
                /* nop */
            }
            ;
        }
        ;
    };

    // Setting Variable
    public static void setVariable(Context actualContext, Scriptable actualObject, Object[] ArgList,
            Function FunctionContext) {
        String sArg1 = "";
        String sArg2 = "";
        String sArg3 = "";
        if (ArgList.length == 3) {
            try {
                Object scmo = actualObject.get("_step_", actualObject);
                Object scmO = Context.jsToJava(scmo, ScriptValuesModInterface.class);
                if (scmO instanceof ScriptValuesModInterface) {
                    ScriptValuesModInterface scm = (ScriptValuesModInterface) scmO;

                    sArg1 = Context.toString(ArgList[0]);
                    sArg2 = Context.toString(ArgList[1]);
                    sArg3 = Context.toString(ArgList[2]);

                    if ("s".equals(sArg3)) {
                        // System wide properties
                        System.setProperty(sArg1, sArg2);

                        // Set also all the way to the root as else we will take
                        // stale values
                        scm.setVariable(sArg1, sArg2);

                        VariableSpace parentSpace = scm.getParentVariableSpace();
                        while (parentSpace != null) {
                            parentSpace.setVariable(sArg1, sArg2);
                            parentSpace = parentSpace.getParentVariableSpace();
                        }
                    } else if ("r".equals(sArg3)) {
                        // Upto the root... this should be the default.
                        scm.setVariable(sArg1, sArg2);

                        VariableSpace parentSpace = scm.getParentVariableSpace();
                        while (parentSpace != null) {
                            parentSpace.setVariable(sArg1, sArg2);
                            parentSpace = parentSpace.getParentVariableSpace();
                        }
                    } else if ("p".equals(sArg3)) {
                        // Upto the parent
                        scm.setVariable(sArg1, sArg2);

                        VariableSpace parentSpace = scm.getParentVariableSpace();
                        if (parentSpace != null) {
                            parentSpace.setVariable(sArg1, sArg2);
                        }
                    } else if ("g".equals(sArg3)) {
                        // Upto the grand parent
                        scm.setVariable(sArg1, sArg2);

                        VariableSpace parentSpace = scm.getParentVariableSpace();
                        if (parentSpace != null) {
                            parentSpace.setVariable(sArg1, sArg2);
                            VariableSpace grandParentSpace = parentSpace.getParentVariableSpace();
                            if (grandParentSpace != null) {
                                grandParentSpace.setVariable(sArg1, sArg2);
                            }
                        }
                    } else {
                        throw Context.reportRuntimeError(
                                "The argument type of function call setVariable should either be \"s\", \"r\", \"p\", or \"g\".");
                    }
                } else {
                    // Ignore for now... if we're executing via the Test Button
                }
            } catch (Exception e) {
                throw Context.reportRuntimeError(e.toString());
            }
        } else {
            throw Context.reportRuntimeError("The function call setVariable requires 3 arguments.");
        }
    }

    // Returning EnvironmentVar
    public static String getVariable(Context actualContext, Scriptable actualObject, Object[] ArgList,
            Function FunctionContext) {
        String sRC = "";
        String sArg1 = "";
        String sArg2 = "";
        if (ArgList.length == 2) {
            try {
                Object scmo = actualObject.get("_step_", actualObject);
                Object scmO = Context.jsToJava(scmo, ScriptValuesModInterface.class);

                if (scmO instanceof ScriptValuesMod) {
                    ScriptValuesMod scm = (ScriptValuesMod) Context.jsToJava(scmO, ScriptValuesMod.class);

                    sArg1 = Context.toString(ArgList[0]);
                    sArg2 = Context.toString(ArgList[1]);
                    return scm.getVariable(sArg1, sArg2);
                } else {
                    // running via the Test button in a dialog
                    sArg2 = Context.toString(ArgList[1]);
                    return sArg2;
                }
            } catch (Exception e) {
                sRC = "";
            }
        } else {
            throw Context.reportRuntimeError("The function call getVariable requires 2 arguments.");
        }
        return sRC;
    }

    // Return the output row metadata
    public static RowMetaInterface getOutputRowMeta(Context actualContext, Scriptable actualObject,
            Object[] ArgList, Function FunctionContext) {
        if (ArgList.length == 0) {
            try {
                Object scmO = actualObject.get("_step_", actualObject);
                try {
                    ScriptValuesMod scm = (ScriptValuesMod) Context.jsToJava(scmO, ScriptValuesMod.class);
                    return scm.getOutputRowMeta();
                } catch (Exception e) {
                    ScriptValuesModDummy scm = (ScriptValuesModDummy) Context.jsToJava(scmO,
                            ScriptValuesModDummy.class);
                    return scm.getOutputRowMeta();
                }
            } catch (Exception e) {
                throw Context.reportRuntimeError(
                        "Unable to get the output row metadata because of an error: " + Const.CR + e.toString());
            }
        } else {
            throw Context.reportRuntimeError("The function call getOutputRowMeta doesn't require arguments.");
        }
    }

    // Return the input row metadata
    public static RowMetaInterface getInputRowMeta(Context actualContext, Scriptable actualObject, Object[] ArgList,
            Function FunctionContext) {
        if (ArgList.length == 0) {
            try {
                Object scmO = actualObject.get("_step_", actualObject);
                try {
                    ScriptValuesMod scm = (ScriptValuesMod) Context.jsToJava(scmO, ScriptValuesMod.class);
                    return scm.getInputRowMeta();
                } catch (Exception e) {
                    ScriptValuesModDummy scm = (ScriptValuesModDummy) Context.jsToJava(scmO,
                            ScriptValuesModDummy.class);
                    return scm.getInputRowMeta();
                }
            } catch (Exception e) {
                throw Context.reportRuntimeError(
                        "Unable to get the input row metadata because of an error: " + Const.CR + e.toString());
            }
        } else {
            throw Context.reportRuntimeError("The function call getInputRowMeta doesn't require arguments.");
        }
    }

    // Return the input row metadata
    public static Object[] createRowCopy(Context actualContext, Scriptable actualObject, Object[] ArgList,
            Function FunctionContext) {
        if (ArgList.length == 1) {
            try {
                int newSize = (int) Math.round(Context.toNumber(ArgList[0]));

                Object scmO = actualObject.get("row", actualObject);
                Object[] row = (Object[]) Context.jsToJava(scmO, (new Object[] {}).getClass());

                return RowDataUtil.createResizedCopy(row, newSize);
            } catch (Exception e) {
                throw Context.reportRuntimeError("Unable to create a row copy: " + Const.CR + e.toString());
            }
        } else {
            throw Context.reportRuntimeError(
                    "The function call createRowCopy requires a single arguments : the new size of the row");
        }
    }

    // put a row out to the next steps...
    //
    public static void putRow(Context actualContext, Scriptable actualObject, Object[] ArgList,
            Function FunctionContext) {
        if (ArgList.length == 1) {
            try {
                Object[] newRow = (Object[]) Context.jsToJava(ArgList[0], (new Object[] {}).getClass());

                Object scmO = actualObject.get("_step_", actualObject);
                try {
                    ScriptValuesMod step = (ScriptValuesMod) Context.jsToJava(scmO, ScriptValuesMod.class);
                    step.putRow(step.getOutputRowMeta(), newRow);
                } catch (Exception e) {
                    ScriptValuesModDummy step = (ScriptValuesModDummy) Context.jsToJava(scmO,
                            ScriptValuesModDummy.class);
                    step.putRow(step.getOutputRowMeta(), newRow);
                }

            } catch (Exception e) {
                throw Context
                        .reportRuntimeError("Unable to pass the new row to the next step(s) because of an error: "
                                + Const.CR + e.toString());
            }
        } else {
            throw Context.reportRuntimeError(
                    "The function call putRow requires 1 argument : the output row data (Object[])");
        }
    }

    public static void deleteFile(Context actualContext, Scriptable actualObject, Object[] ArgList,
            Function FunctionContext) {

        try {
            if (ArgList.length == 1 && !isNull(ArgList[0]) && !isUndefined(ArgList[0])) {
                //Object act = actualObject.get("_step_", actualObject);
                //ScriptValuesMod act = (ScriptValuesMod)Context.toType(scm_delete, ScriptValuesMod.class);

                FileObject fileObject = null;

                try {
                    fileObject = KettleVFS.getFileObject(Context.toString(ArgList[0]));
                    if (fileObject.exists()) {
                        if (fileObject.getType() == FileType.FILE) {
                            if (!fileObject.delete())
                                Context.reportRuntimeError(
                                        "We can not delete file [" + Context.toString(ArgList[0]) + "]!");
                        }

                    } else {
                        Context.reportRuntimeError("file [" + Context.toString(ArgList[0]) + "] can not be found!");
                    }
                } catch (IOException e) {
                    throw Context.reportRuntimeError("The function call deleteFile is not valid.");
                } finally {
                    if (fileObject != null)
                        try {
                            fileObject.close();
                        } catch (Exception e) {
                        }
                }

            } else {
                throw Context.reportRuntimeError("The function call deleteFile is not valid.");
            }
        } catch (Exception e) {
            throw Context.reportRuntimeError(e.toString());
        }
    }

    public static void createFolder(Context actualContext, Scriptable actualObject, Object[] ArgList,
            Function FunctionContext) {

        try {
            if (ArgList.length == 1 && !isNull(ArgList[0]) && !isUndefined(ArgList[0])) {
                FileObject fileObject = null;

                try {
                    fileObject = KettleVFS.getFileObject(Context.toString(ArgList[0]));
                    if (!fileObject.exists()) {
                        fileObject.createFolder();
                    } else {
                        Context.reportRuntimeError("folder [" + Context.toString(ArgList[0]) + "] already exist!");
                    }
                } catch (IOException e) {
                    throw Context.reportRuntimeError("The function call createFolder is not valid.");
                } finally {
                    if (fileObject != null)
                        try {
                            fileObject.close();
                        } catch (Exception e) {
                        }
                }

            } else {
                throw Context.reportRuntimeError("The function call createFolder is not valid.");
            }
        } catch (Exception e) {
            throw Context.reportRuntimeError(e.toString());
        }
    }

    public static void copyFile(Context actualContext, Scriptable actualObject, Object[] ArgList,
            Function FunctionContext) {

        try {
            if (ArgList.length == 3 && !isNull(ArgList[0]) && !isNull(ArgList[1]) && !isUndefined(ArgList[0])
                    && !isUndefined(ArgList[1])) {
                FileObject fileSource = null, fileDestination = null;

                try {
                    // Source file to copy
                    fileSource = KettleVFS.getFileObject(Context.toString(ArgList[0]));
                    // Destination filename
                    fileDestination = KettleVFS.getFileObject(Context.toString(ArgList[1]));
                    if (fileSource.exists()) {
                        // Source file exists...
                        if (fileSource.getType() == FileType.FILE) {
                            // Great..source is a file ...
                            boolean overwrite = false;
                            if (!ArgList[1].equals(null))
                                overwrite = Context.toBoolean(ArgList[2]);
                            boolean destinationExists = fileDestination.exists();
                            // Let's copy the file...
                            if ((destinationExists && overwrite) || !destinationExists)
                                FileUtil.copyContent(fileSource, fileDestination);

                        }
                    } else {
                        Context.reportRuntimeError(
                                "file to copy [" + Context.toString(ArgList[0]) + "] can not be found!");
                    }
                } catch (IOException e) {
                    throw Context.reportRuntimeError("The function call copyFile throw an error : " + e.toString());
                } finally {
                    if (fileSource != null)
                        try {
                            fileSource.close();
                        } catch (Exception e) {
                        }
                    if (fileDestination != null)
                        try {
                            fileDestination.close();
                        } catch (Exception e) {
                        }
                }

            } else {
                throw Context.reportRuntimeError("The function call copyFileis not valid.");
            }
        } catch (Exception e) {
            throw Context.reportRuntimeError(e.toString());
        }
    }

    public static double getFileSize(Context actualContext, Scriptable actualObject, Object[] ArgList,
            Function FunctionContext) {
        try {
            if (ArgList.length == 1 && !isNull(ArgList[0]) && !isUndefined(ArgList[0])) {
                if (ArgList[0].equals(null))
                    return 0;
                FileObject file = null;

                try {
                    // Source file
                    file = KettleVFS.getFileObject(Context.toString(ArgList[0]));
                    long filesize = 0;
                    if (file.exists()) {
                        if (file.getType().equals(FileType.FILE))
                            filesize = file.getContent().getSize();
                        else
                            Context.reportRuntimeError("[" + Context.toString(ArgList[0]) + "] is not a file!");
                    } else {
                        Context.reportRuntimeError("file [" + Context.toString(ArgList[0]) + "] can not be found!");
                    }
                    return filesize;
                } catch (IOException e) {
                    throw Context
                            .reportRuntimeError("The function call getFileSize throw an error : " + e.toString());
                } finally {
                    if (file != null)
                        try {
                            file.close();
                        } catch (Exception e) {
                        }
                }

            } else {
                throw Context.reportRuntimeError("The function call getFileSize is not valid.");
            }
        } catch (Exception e) {
            throw Context.reportRuntimeError(e.toString());
        }
    }

    public static boolean isFile(Context actualContext, Scriptable actualObject, Object[] ArgList,
            Function FunctionContext) {
        try {
            if (ArgList.length == 1 && !isNull(ArgList[0]) && !isUndefined(ArgList[0])) {
                if (ArgList[0].equals(null))
                    return false;
                FileObject file = null;

                try {
                    // Source file
                    file = KettleVFS.getFileObject(Context.toString(ArgList[0]));
                    boolean isafile = false;
                    if (file.exists()) {
                        if (file.getType().equals(FileType.FILE))
                            isafile = true;
                        else
                            Context.reportRuntimeError("[" + Context.toString(ArgList[0]) + "] is not a file!");
                    } else {
                        Context.reportRuntimeError("file [" + Context.toString(ArgList[0]) + "] can not be found!");
                    }
                    return isafile;
                } catch (IOException e) {
                    throw Context.reportRuntimeError("The function call is File throw an error : " + e.toString());
                } finally {
                    if (file != null)
                        try {
                            file.close();
                        } catch (Exception e) {
                        }
                }

            } else {
                throw Context.reportRuntimeError("The function call isFile is not valid.");
            }
        } catch (Exception e) {
            throw Context.reportRuntimeError(e.toString());
        }
    }

    public static boolean isFolder(Context actualContext, Scriptable actualObject, Object[] ArgList,
            Function FunctionContext) {
        try {
            if (ArgList.length == 1 && !isNull(ArgList[0]) && !isUndefined(ArgList[0])) {
                if (ArgList[0].equals(null))
                    return false;
                FileObject file = null;

                try {
                    // Source file
                    file = KettleVFS.getFileObject(Context.toString(ArgList[0]));
                    boolean isafolder = false;
                    if (file.exists()) {
                        if (file.getType().equals(FileType.FOLDER))
                            isafolder = true;
                        else
                            Context.reportRuntimeError("[" + Context.toString(ArgList[0]) + "] is not a folder!");
                    } else {
                        Context.reportRuntimeError(
                                "folder [" + Context.toString(ArgList[0]) + "] can not be found!");
                    }
                    return isafolder;
                } catch (IOException e) {
                    throw Context.reportRuntimeError("The function call isFolder throw an error : " + e.toString());
                } finally {
                    if (file != null)
                        try {
                            file.close();
                        } catch (Exception e) {
                        }
                }

            } else {
                throw Context.reportRuntimeError("The function call isFolder is not valid.");
            }
        } catch (Exception e) {
            throw Context.reportRuntimeError(e.toString());
        }
    }

    public static String getShortFilename(Context actualContext, Scriptable actualObject, Object[] ArgList,
            Function FunctionContext) {
        try {
            if (ArgList.length == 1 && !isNull(ArgList[0]) && !isUndefined(ArgList[0])) {
                if (ArgList[0].equals(null))
                    return null;
                FileObject file = null;

                try {
                    // Source file
                    file = KettleVFS.getFileObject(Context.toString(ArgList[0]));
                    String Filename = null;
                    if (file.exists()) {
                        Filename = file.getName().getBaseName().toString();

                    } else {
                        Context.reportRuntimeError("file [" + Context.toString(ArgList[0]) + "] can not be found!");
                    }

                    return Filename;
                } catch (IOException e) {
                    throw Context.reportRuntimeError(
                            "The function call getShortFilename throw an error : " + e.toString());
                } finally {
                    if (file != null)
                        try {
                            file.close();
                        } catch (Exception e) {
                        }
                }

            } else {
                throw Context.reportRuntimeError("The function call getShortFilename is not valid.");
            }
        } catch (Exception e) {
            throw Context.reportRuntimeError(e.toString());
        }
    }

    public static String getFileExtension(Context actualContext, Scriptable actualObject, Object[] ArgList,
            Function FunctionContext) {
        try {
            if (ArgList.length == 1 && !isNull(ArgList[0]) && !isUndefined(ArgList[0])) {
                if (ArgList[0].equals(null))
                    return null;
                FileObject file = null;

                try {
                    // Source file
                    file = KettleVFS.getFileObject(Context.toString(ArgList[0]));
                    String Extension = null;
                    if (file.exists()) {
                        Extension = file.getName().getExtension().toString();

                    } else {
                        Context.reportRuntimeError("file [" + Context.toString(ArgList[0]) + "] can not be found!");
                    }

                    return Extension;
                } catch (IOException e) {
                    throw Context.reportRuntimeError(
                            "The function call getFileExtension throw an error : " + e.toString());
                } finally {
                    if (file != null)
                        try {
                            file.close();
                        } catch (Exception e) {
                        }
                }

            } else {
                throw Context.reportRuntimeError("The function call getFileExtension is not valid.");
            }
        } catch (Exception e) {
            throw Context.reportRuntimeError(e.toString());
        }
    }

    public static String getParentFoldername(Context actualContext, Scriptable actualObject, Object[] ArgList,
            Function FunctionContext) {
        try {
            if (ArgList.length == 1 && !isNull(ArgList[0]) && !isUndefined(ArgList[0])) {
                if (ArgList[0].equals(null))
                    return null;
                FileObject file = null;

                try {
                    // Source file
                    file = KettleVFS.getFileObject(Context.toString(ArgList[0]));
                    String foldername = null;
                    if (file.exists()) {
                        foldername = KettleVFS.getFilename(file.getParent());

                    } else {
                        Context.reportRuntimeError("file [" + Context.toString(ArgList[0]) + "] can not be found!");
                    }

                    return foldername;
                } catch (IOException e) {
                    throw Context.reportRuntimeError(
                            "The function call getParentFoldername throw an error : " + e.toString());
                } finally {
                    if (file != null)
                        try {
                            file.close();
                        } catch (Exception e) {
                        }
                }

            } else {
                throw Context.reportRuntimeError("The function call getParentFoldername is not valid.");
            }
        } catch (Exception e) {
            throw Context.reportRuntimeError(e.toString());
        }
    }

    public static String getLastModifiedTime(Context actualContext, Scriptable actualObject, Object[] ArgList,
            Function FunctionContext) {
        try {
            if (ArgList.length == 2 && !isNull(ArgList[0]) && !isUndefined(ArgList[0])) {
                if (ArgList[0].equals(null))
                    return null;
                FileObject file = null;

                try {
                    // Source file
                    file = KettleVFS.getFileObject(Context.toString(ArgList[0]));
                    String dateformat = Context.toString(ArgList[1]);
                    if (isNull(dateformat))
                        dateformat = "yyyy-MM-dd";
                    String lastmodifiedtime = null;
                    if (file.exists()) {
                        java.util.Date lastmodifiedtimedate = new java.util.Date(
                                file.getContent().getLastModifiedTime());
                        java.text.DateFormat dateFormat = new SimpleDateFormat(dateformat);
                        lastmodifiedtime = dateFormat.format(lastmodifiedtimedate);

                    } else {
                        Context.reportRuntimeError("file [" + Context.toString(ArgList[0]) + "] can not be found!");
                    }

                    return lastmodifiedtime;
                } catch (IOException e) {
                    throw Context.reportRuntimeError(
                            "The function call getLastModifiedTime throw an error : " + e.toString());
                } finally {
                    if (file != null)
                        try {
                            file.close();
                        } catch (Exception e) {
                        }
                }

            } else {
                throw Context.reportRuntimeError("The function call getLastModifiedTime is not valid.");
            }
        } catch (Exception e) {
            throw Context.reportRuntimeError(e.toString());
        }
    }

    public static Object trunc(Context actualContext, Scriptable actualObject, Object[] ArgList,
            Function FunctionContext) {
        try {
            // 1 argument: normal truncation of numbers
            //
            if (ArgList.length == 1) {
                if (isNull(ArgList[0])) {
                    return null;
                } else if (isUndefined(ArgList[0])) {
                    return Context.getUndefinedValue();
                }

                // This is the truncation of a number...
                //
                Double dArg1 = (Double) Context.jsToJava(ArgList[0], Double.class);
                return Double.valueOf(Math.floor(dArg1));

            } else {
                throw Context.reportRuntimeError("The function call trunc requires 1 argument, a number.");
            }
        } catch (Exception e) {
            throw Context.reportRuntimeError(e.toString());
        }
    }

    public static Object truncDate(Context actualContext, Scriptable actualObject, Object[] ArgList,
            Function FunctionContext) {
        try {
            // 2 arguments: truncation of dates to a certain precision
            //
            if (ArgList.length == 2) {
                if (isNull(ArgList[0])) {
                    return null;
                } else if (isUndefined(ArgList[0])) {
                    return Context.getUndefinedValue();
                }

                // This is the truncation of a date...
                // The second argument specifies the level: ms, s, min, hour, day, month, year
                //
                java.util.Date dArg1 = (java.util.Date) Context.jsToJava(ArgList[0], java.util.Date.class);
                Calendar cal = Calendar.getInstance();
                cal.setTime(dArg1);

                Integer level = (Integer) Context.jsToJava(ArgList[1], Integer.class);

                switch (level.intValue()) {
                // MONTHS
                case 5:
                    cal.set(Calendar.MONTH, 1);
                    // DAYS
                case 4:
                    cal.set(Calendar.DAY_OF_MONTH, 1);
                    // HOURS 
                case 3:
                    cal.set(Calendar.HOUR_OF_DAY, 0);
                    // MINUTES
                case 2:
                    cal.set(Calendar.MINUTE, 0);
                    // SECONDS
                case 1:
                    cal.set(Calendar.SECOND, 0);
                    // MILI-SECONDS
                case 0:
                    cal.set(Calendar.MILLISECOND, 0);
                    break;
                default:
                    throw Context.reportRuntimeError("Argument of TRUNC of date has to be between 0 and 5");
                }

                return cal.getTime();
            } else {
                throw Context.reportRuntimeError(
                        "The function call truncDate requires 2 arguments: a date and a level (int)");
            }
        } catch (Exception e) {
            throw Context.reportRuntimeError(e.toString());
        }
    }

    public static void moveFile(Context actualContext, Scriptable actualObject, Object[] ArgList,
            Function FunctionContext) {

        try {
            if (ArgList.length == 3 && !isNull(ArgList[0]) && !isNull(ArgList[1]) && !isUndefined(ArgList[0])
                    && !isUndefined(ArgList[1])) {
                FileObject fileSource = null, fileDestination = null;

                try {
                    // Source file to move
                    fileSource = KettleVFS.getFileObject(Context.toString(ArgList[0]));
                    // Destination filename
                    fileDestination = KettleVFS.getFileObject(Context.toString(ArgList[1]));
                    if (fileSource.exists()) {
                        // Source file exists...
                        if (fileSource.getType() == FileType.FILE) {
                            // Great..source is a file ...
                            boolean overwrite = false;
                            if (!ArgList[1].equals(null))
                                overwrite = Context.toBoolean(ArgList[2]);
                            boolean destinationExists = fileDestination.exists();
                            // Let's move the file...
                            if ((destinationExists && overwrite) || !destinationExists)
                                fileSource.moveTo(fileDestination);

                        }
                    } else {
                        Context.reportRuntimeError(
                                "file to move [" + Context.toString(ArgList[0]) + "] can not be found!");
                    }
                } catch (IOException e) {
                    throw Context.reportRuntimeError("The function call moveFile throw an error : " + e.toString());
                } finally {
                    if (fileSource != null)
                        try {
                            fileSource.close();
                        } catch (Exception e) {
                        }
                    if (fileDestination != null)
                        try {
                            fileDestination.close();
                        } catch (Exception e) {
                        }
                }

            } else {
                throw Context.reportRuntimeError("The function call copyFile is not valid.");
            }
        } catch (Exception e) {
            throw Context.reportRuntimeError(e.toString());
        }
    }

}