de.innovationgate.webgate.api.jdbc.custom.KeyMap.java Source code

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Here is the source code for de.innovationgate.webgate.api.jdbc.custom.KeyMap.java

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/*******************************************************************************
 * Copyright 2009, 2010 Innovation Gate GmbH. All Rights Reserved.
 * 
 * This file is part of the OpenWGA server platform.
 * 
 * OpenWGA is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * 
 * In addition, a special exception is granted by the copyright holders
 * of OpenWGA called "OpenWGA plugin exception". You should have received
 * a copy of this exception along with OpenWGA in file COPYING.
 * If not, see <http://www.openwga.com/gpl-plugin-exception>.
 * 
 * OpenWGA is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with OpenWGA in file COPYING.
 * If not, see <http://www.gnu.org/licenses/>.
 ******************************************************************************/
package de.innovationgate.webgate.api.jdbc.custom;

import java.sql.Timestamp;
import java.text.DecimalFormat;
import java.text.ParseException;
import java.util.Date;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.StringTokenizer;

import org.apache.commons.collections.map.ListOrderedMap;

import de.innovationgate.utils.WGUtils;

public class KeyMap extends ListOrderedMap {

    /**
      * 
      */
    private static final long serialVersionUID = 1L;
    public static final DecimalFormat NUMBER_FORMATTER = new DecimalFormat("###0.##");

    /**
     * @param key
     */
    public KeyMap(JDBCSource jdbcSource, String key, String folder) throws ParseException {
        super();
        List keyColumns = (List) jdbcSource.getTables().get(folder);
        if (keyColumns == null) {
            throw new IllegalArgumentException("Table " + folder + " does not exist or has no primary key");
        }
        StringTokenizer tokens = new StringTokenizer(key, "--");
        int idx = 0;
        while (tokens.hasMoreTokens()) {
            String token = tokens.nextToken();
            char dataType = token.charAt(0);
            String valueStr = token.substring(1);
            Object value = null;
            if (dataType == '#') {
                value = NUMBER_FORMATTER.parse(WGUtils.strReplace(valueStr, "D", ".", true));
            } else if (dataType == '*') {
                value = Timestamp.valueOf(valueStr);
            } else {
                value = valueStr;
            }
            put(keyColumns.get(idx), value);
            idx++;
        }

    }

    public KeyMap() {
        super();
    }

    /* (Kein Javadoc)
     * @see java.lang.Object#toString()
     */
    public String toString() {

        Iterator valuesIt = values().iterator();
        StringBuffer theKey = new StringBuffer();
        while (valuesIt.hasNext()) {
            Object value = valuesIt.next();
            if (value instanceof String) {
                theKey.append("$");
                theKey.append(String.valueOf(value));
            } else if (value instanceof Number) {
                theKey.append("#");
                theKey.append(WGUtils.strReplace(NUMBER_FORMATTER.format((Number) value), ".", "D", true));
            } else if (value instanceof Date) {
                theKey.append("*");
                theKey.append(String.valueOf(value));
            } else {
                theKey.append("~");
                theKey.append(String.valueOf(value));
            }

            if (valuesIt.hasNext()) {
                theKey.append("--");
            }
        }

        return theKey.toString();

    }

}