/*
 * @(#)$Id: ForkContentHandler.java,v 1.3 2001/09/15 02:19:44 Bear Exp $
 *
 * Copyright 2001 Sun Microsystems, Inc. All Rights Reserved.
 * 
 * This software is the proprietary information of Sun Microsystems, Inc.  
 * Use is subject to license terms.
 * 
 */
package com.sun.msv.reader.util;

import org.xml.sax.SAXException;
import org.xml.sax.XMLReader;
import org.xml.sax.Attributes;
import org.xml.sax.ContentHandler;
import org.xml.sax.Locator;

/**
 * feeds SAX events to two ContentHandlers.
 *
 * @author <a href="mailto:kohsuke.kawaguchi@sun.com">Kohsuke KAWAGUCHI</a>
 */
public class ForkContentHandler implements ContentHandler
{
	protected ContentHandler lhs;
	protected ContentHandler rhs;
    
	public ForkContentHandler( ContentHandler lhs, ContentHandler rhs ) {
		this.lhs = lhs;
		this.rhs = rhs;
	}
    
	public void setDocumentLocator (Locator locator) {
		lhs.setDocumentLocator(locator);
		rhs.setDocumentLocator(locator);
	}
	
	public void startDocument() throws SAXException {
		lhs.startDocument();
		rhs.startDocument();
	}
		
	public void endDocument () throws SAXException {
		lhs.endDocument();
		rhs.endDocument();
	}

	public void startPrefixMapping (String prefix, String uri) throws SAXException {
		lhs.startPrefixMapping(prefix,uri);
		rhs.startPrefixMapping(prefix,uri);
	}

	public void endPrefixMapping (String prefix) throws SAXException {
		lhs.endPrefixMapping(prefix);
		rhs.endPrefixMapping(prefix);
	}
	    
	public void startElement (String uri, String localName, String qName, Attributes attributes) throws SAXException {
		lhs.startElement(uri,localName,qName,attributes);
		rhs.startElement(uri,localName,qName,attributes);
	}
	    
	public void endElement (String uri, String localName, String qName) throws SAXException {
		lhs.endElement(uri,localName,qName);
		rhs.endElement(uri,localName,qName);
	}
	    
	public void characters (char ch[], int start, int length) throws SAXException {
		lhs.characters(ch,start,length);
		rhs.characters(ch,start,length);
	}
	    
	public void ignorableWhitespace (char ch[], int start, int length) throws SAXException {
		lhs.ignorableWhitespace(ch,start,length);
		rhs.ignorableWhitespace(ch,start,length);
	}
	    
	public void processingInstruction (String target, String data) throws SAXException {
		lhs.processingInstruction(target,data);
		rhs.processingInstruction(target,data);
	}

	public void skippedEntity (String name) throws SAXException {
		lhs.skippedEntity(name);
		rhs.skippedEntity(name);
	}
}