/*
 * @(#)$Id: ForkContentHandler.java,v 1.5 2003/06/09 20:37:33 kk122374 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.Attributes;
import org.xml.sax.ContentHandler;
import org.xml.sax.Locator;
import org.xml.sax.SAXException;

/**
 * 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);
    }
}
