/* ========================================================================
* 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();
}