Source code: com/xpn/xwiki/objects/ListProperty.java

   /**
    * ===================================================================
    *
    * Copyright (c) 2003 Ludovic Dubost, All rights reserved.
    *
    * This program 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 2
    * of the License, or (at your option) any later version.
   *
   * This program 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, published at
   * http://www.gnu.org/copyleft/gpl.html or in gpl.txt in the
   * root folder of this distribution.
  
   * Created by
   * User: Ludovic Dubost
   * Date: 1 févr. 2004
   * Time: 21:40:32
   */
  package com.xpn.xwiki.objects;
  
  import org.hibernate.collection.PersistentCollection;
  import org.apache.commons.lang.StringUtils;
  import org.apache.ecs.filter.CharacterFilter;
  import org.dom4j.Element;
  import org.dom4j.dom.DOMElement;
  
  import java.util.ArrayList;
  import java.util.Iterator;
  import java.util.List;
  
  public class ListProperty extends BaseProperty {
      protected List list = new ArrayList();
  
      public Object getValue() {
          return getList();
      }
  
      public void setValue(Object value) {
          this.setList((List)value);
      }
  
      public String getTextValue() {
          return toFormString();
      }
  
      public String toText() {
           if ((getList() instanceof PersistentCollection)
              &&(!((PersistentCollection)getList()).wasInitialized()))
             return "";
          else
             return StringUtils.join(getList().toArray(), " ");
      }
  
      public String toSingleFormString() {
          return super.toFormString();
      }
  
      public String toFormString() {
          CharacterFilter filter = new CharacterFilter();
          filter.addAttribute("|", "\\|");
  
          List list = getList();
          Iterator it = list.iterator();
          if (!it.hasNext()) {
               return "";
          }
          StringBuffer result = new StringBuffer();
          result.append(it.next());
          while (it.hasNext()) {
              result.append("|");
              result.append(filter.process((String)it.next()));
          }
          return result.toString();
      }
  
      public boolean equals(Object obj) {
          if (!super.equals(obj))
           return false;
  
          List list1 = (List) getValue();
          List list2 = (List) ((BaseProperty)obj).getValue();
  
          // If the collection was not yet initialized by Hibernate
          // Let's use the super result..
          if ((list1 instanceof PersistentCollection)
              &&(!((PersistentCollection)list1).wasInitialized()))
              return true;
  
          if ((list2 instanceof PersistentCollection)
                      &&(!((PersistentCollection)list2).wasInitialized()))
              return true;
  
          if (list1.size()!=list2.size())
           return false;
  
         for (int i=0;i<list1.size();i++) {
             Object obj1 = list1.get(i);
             Object obj2 = list2.get(i);
 
             if (!obj1.equals(obj2))
                 return false;
         }
         return true;
     }
 
 
     public Object clone() {
         ListProperty property = (ListProperty) super.clone();
         List list = new ArrayList();
         for (Iterator it=getList().iterator();it.hasNext();) {
                     list.add(it.next());
                 }
         property.setValue(list);
         return property;
     }
 
     public List getList() {
         return list;
     }
 
     public void setList(List list) {
         if (list==null)
          this.list = new ArrayList();
         else
          this.list = list;
     }
 
     public Element toXML() {
         Element el = new DOMElement(getName());
         List list = (List)getValue();
         for (int i=0;i<list.size();i++) {
             String value = list.get(i).toString();
             Element vel = new DOMElement("value");
             vel.setText((value==null) ? "" : value.toString());
             el.add(vel);
         }
         return el;
     }
 
     // This is important.. Otherwise we can get a stackoverflow calling toXML()
     public String toString() {
         if ((getList() instanceof PersistentCollection)
                &&(!((PersistentCollection)getList()).wasInitialized()))
               return "";
         return toXMLString();
     }
 
 }