/*
* 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.pdfbox.examples.pdmodel;
import org.apache.pdfbox.pdmodel.PDDocument;
import org.apache.pdfbox.pdmodel.PDDocumentCatalog;
import org.apache.pdfbox.pdmodel.PDDocumentInformation;
import org.apache.pdfbox.pdmodel.common.PDMetadata;
import org.apache.xmpbox.XMPMetadata;
import org.apache.xmpbox.schema.AdobePDFSchema;
import org.apache.xmpbox.schema.DublinCoreSchema;
import org.apache.xmpbox.schema.XMPBasicSchema;
import org.apache.xmpbox.xml.XmpSerializer;
import java.io.ByteArrayOutputStream;
import java.util.GregorianCalendar;
/**
* This is an example on how to add metadata to a document.
*
* Usage: java org.apache.pdfbox.examples.pdmodel.AddMetadataToDocument <input-pdf> <output-pdf>
*
* @author Ben Litchfield
*
*/
public class AddMetadataFromDocInfo
{
private AddMetadataFromDocInfo()
{
//utility class
}
/**
* This will print the documents data.
*
* @param args The command line arguments.
*
* @throws Exception If there is an error parsing the document.
*/
public static void main( String[] args ) throws Exception
{
if( args.length != 2 )
{
usage();
}
else
{
PDDocument document = null;
try
{
document = PDDocument.load( args[0] );
if( document.isEncrypted() )
{
System.err.println( "Error: Cannot add metadata to encrypted document." );
System.exit( 1 );
}
PDDocumentCatalog catalog = document.getDocumentCatalog();
PDDocumentInformation info = document.getDocumentInformation();
XMPMetadata metadata = XMPMetadata.createXMPMetadata();
AdobePDFSchema pdfSchema = metadata.createAndAddAdobePDFSchema();
pdfSchema.setKeywords( info.getKeywords() );
pdfSchema.setProducer( info.getProducer() );
XMPBasicSchema basicSchema = metadata.createAndAddXMPBasicSchema();
basicSchema.setModifyDate( info.getModificationDate() );
basicSchema.setCreateDate( info.getCreationDate() );
basicSchema.setCreatorTool( info.getCreator() );
basicSchema.setMetadataDate( new GregorianCalendar() );
DublinCoreSchema dcSchema = metadata.createAndAddDublinCoreSchema();
dcSchema.setTitle( info.getTitle() );
dcSchema.addCreator( "PDFBox" );
dcSchema.setDescription( info.getSubject() );
PDMetadata metadataStream = new PDMetadata(document);
catalog.setMetadata( metadataStream );
XmpSerializer serializer = new XmpSerializer();
ByteArrayOutputStream baos = new ByteArrayOutputStream();
serializer.serialize(metadata, baos, false);
metadataStream.importXMPMetadata( baos.toByteArray() );
document.save( args[1] );
}
finally
{
if( document != null )
{
document.close();
}
}
}
}
/**
* This will print the usage for this document.
*/
private static void usage()
{
System.err.println( "Usage: java org.apache.pdfbox.examples.pdmodel.AddMetadataFromDocInfo " +
"<input-pdf> <output-pdf>" );
}
}