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/*
* Copyright 1999-2004 The Apache Software Foundation.
*
* 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.
*/
/* $Id$ */
package org.apache.fop.svg;
import java.io.IOException;
import org.xml.sax.EntityResolver;
import org.xml.sax.InputSource;
import org.xml.sax.SAXException;
import org.apache.batik.dom.svg.SAXSVGDocumentFactory;
/**
* This is a special subclass to allow setting a special EntityResolver.
*/
public class FOPSAXSVGDocumentFactory extends SAXSVGDocumentFactory {
private EntityResolver additionalResolver;
/**
* Creates a new DocumentFactory object.
* @param parser The SAX2 parser classname.
*/
public FOPSAXSVGDocumentFactory(String parser) {
super(parser);
}
/**
* Sets an additional entity resolver. It will be used before the default
* entity resolving.
* @param resolver Additional resolver
*/
public void setAdditionalEntityResolver(EntityResolver resolver) {
this.additionalResolver = resolver;
}
/**
* @see org.xml.sax.EntityResolver#resolveEntity(String, String)
*/
public InputSource resolveEntity(String publicId, String systemId)
throws SAXException {
if (this.additionalResolver != null) {
try {
InputSource result = this.additionalResolver.resolveEntity(publicId, systemId);
if (result != null) {
return result;
}
} catch (IOException ioe) {
/**@todo Batik's SAXSVGDocumentFactory should throw IOException,
* so we don't have to handle it here. */
throw new SAXException(ioe);
}
}
return super.resolveEntity(publicId, systemId);
}
}
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