/*
    * Licensed to the Apache Software Foundation (ASF) under one
    * or more contributor license agreements.  See the NOTICE file
    * distributed with this work for additional information
    * regarding copyright ownership.  The ASF licenses this file
    * to you under the Apache License, Version 2.0 (the
    * "License"); you may not use this file except in compliance
    * with the License.  You may obtain a copy of the License at
    *
   *   http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing,
   * software distributed under the License is distributed on an
   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
   * KIND, either express or implied.  See the License for the
   * specific language governing permissions and limitations
   * under the License.
   */
  package org.apache.myfaces.shared.test;
  
  import java.util.List;
  import java.util.ArrayList;
  
  import org.xml.sax.Attributes;
  import org.xml.sax.SAXException;
  import org.xml.sax.helpers.DefaultHandler;
  
  /**
   * @see AbstractClassElementTestCase
   * @author Dennis Byrne
   */
  
  public class ClassElementHandler extends DefaultHandler
  {
      
      private boolean clazz ;
      private List elementName = new ArrayList();
      private List className = new ArrayList();
      private StringBuffer buffer ;
      
      public ClassElementHandler()
      {
          
          elementName.add("component-class");
          elementName.add("tag-class");
          elementName.add("renderer-class");
          elementName.add("validator-class");
          elementName.add("converter-class");
          elementName.add("action-listener");
          elementName.add("navigation-handler");
          elementName.add("variable-resolver");
          elementName.add("property-resolver");
          elementName.add("phase-listener");
          
      }
  
      public void characters(char[] ch, int start, int length)
      throws SAXException
      {
          if (clazz)
          {
              String string = new String(ch, start, length);
              if(string != null)
              {
                  buffer.append(string.trim());
              }
          }
      }
      
      public void startElement(
              String ns, String local, String qName, Attributes atts) 
              throws SAXException
      {
         
           clazz = elementName.contains(qName);
           
           if(clazz)
           {
               buffer = new StringBuffer();
           }
          
      }
  
      public void endElement(String ns, String local, String qName) 
          throws SAXException
      {
          
          if(clazz)
          {
              className.add(buffer.toString());
              clazz = false;
          }
          
      }
  
      public List getClassName()
      {
          return className;
      }
     
 }