/*
* 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: MergeMetadata.java 426584 2006-07-28 16:01:47Z jeremias $ */
package xmp;
import java.net.URL;
import java.util.Date;
import javax.xml.transform.TransformerException;
import org.apache.xmlgraphics.xmp.Metadata;
import org.apache.xmlgraphics.xmp.XMPConstants;
import org.apache.xmlgraphics.xmp.XMPParser;
import org.apache.xmlgraphics.xmp.XMPProperty;
import org.apache.xmlgraphics.xmp.XMPSerializer;
import org.apache.xmlgraphics.xmp.schemas.DublinCoreAdapter;
import org.xml.sax.SAXException;
/**
* This example shows how to parse an XMP metadata file.
*/
public class MergeMetadata {
private static void mergeMetadata() throws TransformerException, SAXException {
URL url = MergeMetadata.class.getResource("pdf-example.xmp");
Metadata meta1 = XMPParser.parseXMP(url);
Metadata meta2 = new Metadata();
DublinCoreAdapter dc = new DublinCoreAdapter(meta2);
dc.setTitle("de", "Der Herr der Ringe");
dc.setTitle("en", "Lord of the Rings");
dc.addCreator("J.R.R. Tolkien"); //Will replace creator from pdf-example.xmp
dc.addDate(new Date());
meta2.mergeInto(meta1);
Metadata meta = meta1;
XMPProperty prop;
dc = new DublinCoreAdapter(meta);
String[] creators = dc.getCreators();
for (int i = 0, c = creators.length; i < c; i++) {
System.out.println("Creator: " + creators[i]);
}
System.out.println("Title: " + dc.getTitle());
System.out.println("Title de: " + dc.getTitle("de"));
System.out.println("Title en: " + dc.getTitle("en"));
prop = meta.getProperty(XMPConstants.XMP_BASIC_NAMESPACE, "CreateDate");
System.out.println("Creation Date: " + prop.getValue());
prop = meta.getProperty(XMPConstants.XMP_BASIC_NAMESPACE, "CreatorTool");
System.out.println("Creator Tool: " + prop.getValue());
prop = meta.getProperty(XMPConstants.ADOBE_PDF_NAMESPACE, "Producer");
System.out.println("Producer: " + prop.getValue());
prop = meta.getProperty(XMPConstants.ADOBE_PDF_NAMESPACE, "PDFVersion");
System.out.println("PDF version: " + prop.getValue());
XMPSerializer.writeXMPPacket(meta, System.out, false);
}
/**
* Command-line interface.
* @param args the command-line arguments
*/
public static void main(String[] args) {
try {
mergeMetadata();
} catch (Exception e) {
e.printStackTrace();
}
}
}