org.apache.fop.render.intermediate.DelegatingFragmentContentHandler Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.
*/
/* $Id: DelegatingFragmentContentHandler.java 820672 2009-10-01 14:48:27Z jeremias $ */
package org.apache.fop.render.intermediate;
import org.xml.sax.ContentHandler;
import org.xml.sax.DTDHandler;
import org.xml.sax.EntityResolver;
import org.xml.sax.ErrorHandler;
import org.xml.sax.SAXException;
import org.xml.sax.ext.LexicalHandler;
import org.apache.fop.util.DelegatingContentHandler;
/**
* This class is a {@link DelegatingContentHandler} subclass which swallows the
* {@link #startDocument()} and {@link #endDocument()} methods. This is useful for handling
* XML fragments.
*/
public class DelegatingFragmentContentHandler extends DelegatingContentHandler {
/**
* Main constructor
* @param delegate the content handler to delegate the SAX events to
*/
public DelegatingFragmentContentHandler(ContentHandler delegate) {
setDelegateContentHandler(delegate);
if (delegate instanceof LexicalHandler) {
setDelegateLexicalHandler((LexicalHandler)delegate);
}
if (delegate instanceof DTDHandler) {
setDelegateDTDHandler((DTDHandler)delegate);
}
if (delegate instanceof EntityResolver) {
setDelegateEntityResolver((EntityResolver)delegate);
}
if (delegate instanceof ErrorHandler) {
setDelegateErrorHandler((ErrorHandler)delegate);
}
}
/** {@inheritDoc} */
public void startDocument() throws SAXException {
//nop/ignore
}
/** {@inheritDoc} */
public void endDocument() throws SAXException {
//nop/ignore
}
}