/**
* Copyright (c) 2005, www.pdfbox.org
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. Neither the name of pdfbox; nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* http://www.pdfbox.org
*
*/
package org.pdfbox.examples.pdmodel;
import org.pdfbox.pdmodel.PDDocument;
import org.pdfbox.pdmodel.PDDocumentCatalog;
import org.pdfbox.pdmodel.PDDocumentInformation;
import org.pdfbox.pdmodel.common.PDMetadata;
import org.pdfbox.util.DateConverter;
import java.io.ByteArrayInputStream;
import java.util.Calendar;
import java.util.GregorianCalendar;
/**
* This is an example on how to add metadata to a document.
*
* Usage: java org.pdfbox.examples.pdmodel.AddMetadataToDocument <input-pdf> <output-pdf>
*
* @author Ben Litchfield (ben@benlitchfield.com)
* @version $Revision: 1.2 $
*/
public class AddMetadataFromDocInfo
{
private static final String PADDING =
" " +
" " +
" " +
" " +
" " +
" " +
" " +
" " +
" " +
" " +
" " +
" ";
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();
//Right now, PDFBox does not have any XMP library, so we will
//just consruct the XML by hand.
StringBuffer xmp= new StringBuffer();
xmp.append(
"\n" +
"\n" +
"\n" +
" \n" +
" \n" +
" \n" +
" \n" +
" \n" +
" \n" +
" \n" +
" " + fixNull( info.getTitle() ) +"\n" +
" \n" +
" \n" +
" \n" +
" \n" +
" PDFBox.org\n" +
" \n" +
" \n" +
" \n" +
" \n" +
" " + fixNull( info.getSubject() ) +"\n" +
" \n" +
" \n" +
" \n" +
" \n" +
"\n" );
//xmp spec says we should put padding, so that the metadata can be appended to
//in place
xmp.append( PADDING );
xmp.append( PADDING );
xmp.append( PADDING );
xmp.append( "\n" );
ByteArrayInputStream mdInput = new ByteArrayInputStream( xmp.toString().getBytes() );
PDMetadata metadataStream = new PDMetadata(document, mdInput, false );
catalog.setMetadata( metadataStream );
document.save( args[1] );
}
finally
{
if( document != null )
{
document.close();
}
}
}
}
private static String fixNull( String string )
{
return string == null ? "" : string;
}
private static String fixNull( Calendar cal )
{
return cal == null ? "" : DateConverter.toISO8601( cal );
}
/**
* This will print the usage for this document.
*/
private static void usage()
{
System.err.println( "Usage: java org.pdfbox.examples.pdmodel.AddMetadata " );
}
}