Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;

import java.util.Hashtable;
import java.util.Vector;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

public class Main {
    protected static Log log = LogFactory.getLog("COLLECTION_UTILITIES");

    /**
     * Method getDropDownOptions.
     *
     * @param vector      Vector
     * @param valueGetter String
     * @param textGetter  String
     * @return String
     * @throws NoSuchMethodException
     * @throws InvocationTargetException
     * @throws IllegalAccessException
     */
    public static String getDropDownOptions(Vector vector, String valueGetter, String textGetter)
            throws NoSuchMethodException, InvocationTargetException, IllegalAccessException {
        log.debug("Scmportal: getDropDownOptions(Vector, String, String) called with parameters " + vector + ", "
                + valueGetter + ", and " + textGetter + " as parameters");
        return getDropDownOptions(vector, valueGetter, textGetter, "");
    }

    /**
     * Method getDropDownOptions.
     *
     * @param vector        Vector
     * @param valueGetter   String
     * @param textGetter    String
     * @param selectedValue Object
     * @return String
     * @throws NoSuchMethodException
     * @throws IllegalAccessException
     * @throws InvocationTargetException
     */
    public static String getDropDownOptions(Vector vector, String valueGetter, String textGetter,
            Object selectedValue) throws NoSuchMethodException, IllegalAccessException, InvocationTargetException {
        Vector selectedValues = new Vector();
        if (selectedValue != null) {
            selectedValues.add(selectedValue);
        }
        return getDropDownOptions(vector, valueGetter, textGetter, selectedValues);
    }

    /**
     * Method getDropDownOptions.
     *
     * @param vector         Vector
     * @param valueGetter    String
     * @param textGetter     String
     * @param selectedValues Vector
     * @return String
     * @throws NoSuchMethodException
     * @throws IllegalAccessException
     * @throws InvocationTargetException
     */
    public static String getDropDownOptions(Vector vector, String valueGetter, String textGetter,
            Vector selectedValues) throws NoSuchMethodException, IllegalAccessException, InvocationTargetException {
        Hashtable selectedValuesHashtable = new Hashtable(selectedValues.size());

        for (int i = 0; i < selectedValues.size(); i++) {
            selectedValuesHashtable.put(selectedValues.elementAt(i).toString(), "");

        }

        StringBuffer dropDownOptions = new StringBuffer("");
        String optionValue = null;
        String optionText = null;
        Class[] clsParms = new Class[0];
        Object[] objParms = new Object[0];
        Method getterMethod = null;

        Object vectorElement = null;

        for (int i = 0; i < vector.size(); i++) {
            vectorElement = vector.elementAt(i);
            getterMethod = vectorElement.getClass().getMethod(valueGetter, clsParms);
            optionValue = getterMethod.invoke(vectorElement, objParms).toString();
            getterMethod = vectorElement.getClass().getMethod(textGetter, clsParms);
            optionText = getterMethod.invoke(vectorElement, objParms).toString();

            dropDownOptions.append("<option value=\"" + optionValue + "\"");

            if (selectedValuesHashtable.containsKey(optionValue)) {
                dropDownOptions.append(" selected");
            }

            dropDownOptions.append(">" + optionText);
        }

        return dropDownOptions.toString();
    }
}