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/*
 * Copyright (c) 2001-2013 Oracle and/or its affiliates. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 *   - Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *
 *   - Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in the
 *     documentation and/or other materials provided with the distribution.
 *
 *   - Neither the name of Oracle nor the names of its
 *     contributors may be used to endorse or promote products derived
 *     from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

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 Kohsuke KAWAGUCHI
 */
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);
    }
}