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/*
* 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.
*/
package org.apache.tika.sax;
import org.apache.tika.metadata.Metadata;
import org.apache.tika.metadata.Property;
import org.xml.sax.Attributes;
import org.xml.sax.ContentHandler;
import org.xml.sax.SAXException;
import org.xml.sax.helpers.AttributesImpl;
/**
* Content handler decorator that simplifies the task of producing XMP output.
*
* @since Apache Tika 1.0
*/
public class XMPContentHandler extends SafeContentHandler {
/**
* The RDF namespace URI
*/
public static final String RDF =
"http://www.w3.org/1999/02/22-rdf-syntax-ns#";
/**
* The XMP namespace URI
*/
public static final String XMP =
"http://ns.adobe.com/xap/1.0/";
private static final Attributes EMPTY_ATTRIBUTES = new AttributesImpl();
public XMPContentHandler(ContentHandler handler) {
super(handler);
}
/**
* Starts an XMP document by setting up the namespace mappings and
* writing out the following header:
*
* <rdf:RDF>
*
*/
@Override
public void startDocument() throws SAXException {
super.startDocument();
startPrefixMapping("rdf", RDF);
startPrefixMapping("xmp", XMP);
startElement(RDF, "RDF", "rdf:RDF", EMPTY_ATTRIBUTES);
}
/**
* Ends the XMP document by writing the following footer and
* clearing the namespace mappings:
*