net.sf.wcfart.wcf.convert.SelectMultipleConverter Maven / Gradle / Ivy

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/*
 * ====================================================================
 * This software is subject to the terms of the Common Public License
 * Agreement, available at the following URL:
 *   http://www.opensource.org/licenses/cpl.html .
 * Copyright (C) 2003-2004 TONBELLER AG.
 * All Rights Reserved.
 * You must accept the terms of that agreement to use this software.
 * ====================================================================
 *
 * 
 */
package net.sf.wcfart.wcf.convert;

import java.lang.reflect.InvocationTargetException;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;

import org.apache.commons.beanutils.PropertyUtils;
import org.w3c.dom.Element;

import net.sf.wcfart.wcf.format.FormatException;
import net.sf.wcfart.wcf.format.FormatHandler;
import net.sf.wcfart.wcf.format.Formatter;
import net.sf.wcfart.wcf.ui.Item;
import net.sf.wcfart.wcf.ui.SelectMultiple;
import org.w3c.dom.Node;

/**
 * sets an array bean property. The values of all selected items are collected in an
 * array and the bean property is set to that array. If no items are selected, the
 * bean property will contain an empty array.
 * 
 * An items value is the value attribute of the elected item. 
 * For type conversion the type, modelReference and formatString attributes
 * will be taken from the items parent (e.g. the listBox).
 * 
 * @author av
 */
public class SelectMultipleConverter extends SelectConverterBase {

  /**
   * @see net.sf.wcfart.wcf.convert.SelectConverterBase#updateModelReference(Formatter, Element, Object)
   */
  protected void updateModelReference(Formatter fmt, Element elem, Object bean)
    throws FormatException, IllegalAccessException, NoSuchMethodException, InvocationTargetException {

    String model = SelectMultiple.getModelReference(elem);
    if (model.length() == 0)
      return;
    
    String type = SelectMultiple.getType(elem);
    String formatString = SelectMultiple.getFormatString(elem);
    FormatHandler parser = fmt.getHandler(type);
    if (parser == null)
      throw new FormatException("no handler found for type: " + type);
    
    List items = SelectMultiple.getSelectedItems(elem);
    checkRequired(fmt.getLocale(), elem, items.size() == 0);
    List