org.xchain.framework.digester.ExtendedDigester.java Source code

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Here is the source code for org.xchain.framework.digester.ExtendedDigester.java

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/**
 *    Copyright 2011 meltmedia
 *
 *    Licensed under the Apache License, Version 2.0 (the "License");
 *    you may not use this file except in compliance with the License.
 *    You may obtain a copy of the License at
 *
 *        http://www.apache.org/licenses/LICENSE-2.0
 *
 *    Unless required by applicable law or agreed to in writing, software
 *    distributed under the License is distributed on an "AS IS" BASIS,
 *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *    See the License for the specific language governing permissions and
 *    limitations under the License.
 */
package org.xchain.framework.digester;

import org.apache.commons.digester.Digester;
import org.xml.sax.ext.LexicalHandler;
import org.xml.sax.SAXException;

/**
 * A digester that has been extended to pass along LexicalHandler events to a custom lexical handler, if it is set.
 *
 * @author Christian Trimble
 */
public class ExtendedDigester extends Digester implements LexicalHandler {
    protected LexicalHandler customLexicalHandler;

    public void setCustomLexicalHandler(LexicalHandler customLexicalHandler) {
        this.customLexicalHandler = customLexicalHandler;
    }

    public LexicalHandler getCustomLexicalHandler() {
        return this.customLexicalHandler;
    }

    /*
     * LexicalHandler methods.
     */

    public void comment(char[] characters, int start, int length) throws SAXException {
        if (customLexicalHandler != null) {
            customLexicalHandler.comment(characters, start, length);
        }
    }

    public void endCDATA() throws SAXException {
        if (customLexicalHandler != null) {
            customLexicalHandler.endCDATA();
        }
    }

    public void endDTD() throws SAXException {
        if (customLexicalHandler != null) {
            customLexicalHandler.endDTD();
        }
    }

    public void endEntity(String name) throws SAXException {
        if (customLexicalHandler != null) {
            customLexicalHandler.endEntity(name);
        }
    }

    public void startCDATA() throws SAXException {
        if (customLexicalHandler != null) {
            customLexicalHandler.startCDATA();
        }
    }

    public void startDTD(String name, String publicId, String systemId) throws SAXException {
        if (customLexicalHandler != null) {
            customLexicalHandler.startDTD(name, publicId, systemId);
        }
    }

    public void startEntity(String name) throws SAXException {
        if (customLexicalHandler != null) {
            customLexicalHandler.startEntity(name);
        }
    }
}