content: /* ========================================================================
   * JCommon : a free general purpose class library for the Java(tm) platform
   * ========================================================================
   *
   * (C) Copyright 2000-2005, by Object Refinery Limited and Contributors.
   * 
   * Project Info:  http://www.jfree.org/jcommon/index.html
   *
   * This library is free software; you can redistribute it and/or modify it 
   * under the terms of the GNU Lesser General Public License as published by 
   * the Free Software Foundation; either version 2.1 of the License, or 
   * (at your option) any later version.
   *
   * This library 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 Lesser General Public 
   * License for more details.
   *
   * You should have received a copy of the GNU Lesser General Public
   * License along with this library; if not, write to the Free Software
   * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, 
   * USA.  
   *
   * [Java is a trademark or registered trademark of Sun Microsystems, Inc. 
   * in the United States and other countries.]
   * 
   * ----------------------------
   * ElementDefinitionHandler.java
   * ----------------------------
   * (C)opyright 2003-2005, by Thomas Morgner and Contributors.
   *
   * Original Author:  Thomas Morgner;
   * Contributor(s):   David Gilbert (for Object Refinery Limited);
   *
   * $Id: ElementDefinitionHandler.java,v 1.4 2005/11/14 10:57:22 mungady Exp $
   *
   * Changes
   * -------
   * 21-Feb-2003 : Added standard header and Javadocs (DG);
   * 29-Apr-2003 : Distilled from the JFreeReport project and moved into JCommon
   *
   */
  
  package org.jfree.xml;
  
  import org.xml.sax.Attributes;
  import org.xml.sax.SAXException;
  
  /**
   * A element definition handler. The element definition handler is used to
   * represent a certain parser state. The current state is set in the parser
   * using the pushFactory() method. The parser forwards any incoming SAXEvent
   * to the current handler, until the handler is removed with popFactory().
   *
   * @author Thomas Morgner
   */
  public interface ElementDefinitionHandler {
  
      /**
       * Callback to indicate that an XML element start tag has been read by the parser.
       *
       * @param tagName  the tag name.
       * @param attrs  the attributes.
       *
       * @throws SAXException if a parser error occurs or the validation failed.
       */
      public void startElement(String tagName, Attributes attrs) throws SAXException;
  
      /**
       * Callback to indicate that some character data has been read.
       *
       * @param ch  the character array.
       * @param start  the start index for the characters.
       * @param length  the length of the character sequence.
       * @throws SAXException if a parser error occurs or the validation failed.
       */
      public void characters(char[] ch, int start, int length) throws SAXException;
  
      /**
       * Callback to indicate that an XML element end tag has been read by the parser.
       *
       * @param tagName  the tag name.
       *
       * @throws SAXException if a parser error occurs or the validation failed.
       */
      public void endElement(String tagName) throws SAXException;
  
      /**
       * Returns the parser.
       *
       * @return The parser.
       */
      public Parser getParser();
  
  }
  