/*
* 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.pdfa;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import org.apache.pdfbox.pdmodel.PDDocument;
import org.apache.pdfbox.pdmodel.PDDocumentCatalog;
import org.apache.pdfbox.pdmodel.PDPage;
import org.apache.pdfbox.pdmodel.common.PDMetadata;
import org.apache.pdfbox.pdmodel.edit.PDPageContentStream;
import org.apache.pdfbox.pdmodel.font.PDFont;
import org.apache.pdfbox.pdmodel.font.PDTrueTypeFont;
import org.apache.pdfbox.pdmodel.graphics.color.PDOutputIntent;
import org.apache.xmpbox.XMPMetadata;
import org.apache.xmpbox.schema.PDFAIdentificationSchema;
import org.apache.xmpbox.type.BadFieldValueException;
import org.apache.xmpbox.xml.XmpSerializationException;
import org.apache.xmpbox.xml.XmpSerializer;
import javax.xml.transform.TransformerException;
/**
* This is an example that creates a simple PDF/A document.
*
*/
public class CreatePDFA
{
/**
* Constructor.
*/
public CreatePDFA()
{
super();
}
/**
* Create a simple PDF/A document.
*
* This example is based on HelloWorld example.
*
* As it is a simple case, to conform the PDF/A norm, are added :
* - the font used in the document
* - a light xmp block with only PDF identification schema (the only mandatory)
* - an output intent
*
* @param file The file to write the PDF to.
* @param message The message to write in the file.
*
* @throws Exception If something bad occurs
*/
public void doIt( final String file, final String message, final String fontfile)
throws IOException, TransformerException
{
// the document
PDDocument doc = null;
try
{
doc = new PDDocument();
PDPage page = new PDPage();
doc.addPage( page );
// load the font as this needs to be embedded as part of PDF/A
PDFont font = PDTrueTypeFont.loadTTF(doc, new File(fontfile));
// create a page with the message where needed
PDPageContentStream contentStream = new PDPageContentStream(doc, page);
contentStream.beginText();
contentStream.setFont( font, 12 );
contentStream.moveTextPositionByAmount( 100, 700 );
contentStream.drawString( message );
contentStream.endText();
contentStream.saveGraphicsState();
contentStream.close();
PDDocumentCatalog cat = doc.getDocumentCatalog();
PDMetadata metadata = new PDMetadata(doc);
cat.setMetadata(metadata);
XMPMetadata xmp = XMPMetadata.createXMPMetadata();
try
{
PDFAIdentificationSchema pdfaid = xmp.createAndAddPFAIdentificationSchema();
pdfaid.setConformance("B");
pdfaid.setPart(1);
pdfaid.setAboutAsSimple("PDFBox PDFA sample");
XmpSerializer serializer = new XmpSerializer();
ByteArrayOutputStream baos = new ByteArrayOutputStream();
serializer.serialize(xmp, baos, false);
metadata.importXMPMetadata( baos.toByteArray() );
}
catch(BadFieldValueException badFieldexception)
{
// can't happen here, as the provided value is valid
}
catch(XmpSerializationException xmpException)
{
System.err.println(xmpException.getMessage());
}
InputStream colorProfile = CreatePDFA.class.getResourceAsStream("/org/apache/pdfbox/resources/pdfa/sRGB Color Space Profile.icm");
// create output intent
PDOutputIntent oi = new PDOutputIntent(doc, colorProfile);
oi.setInfo("sRGB IEC61966-2.1");
oi.setOutputCondition("sRGB IEC61966-2.1");
oi.setOutputConditionIdentifier("sRGB IEC61966-2.1");
oi.setRegistryName("http://www.color.org");
cat.addOutputIntent(oi);
doc.save( file );
}
finally
{
if( doc != null )
{
doc.close();
}
}
}
/**
* This will create a hello world PDF/A document.
* <br />
* see usage() for commandline
*
* @param args Command line arguments.
*/
public static void main(String[] args) throws IOException, TransformerException
{
CreatePDFA app = new CreatePDFA();
if( args.length != 3 )
{
app.usage();
}
else
{
app.doIt( args[0], args[1], args[2] );
}
}
/**
* This will print out a message telling how to use this example.
*/
private void usage()
{
System.err.println( "usage: " + this.getClass().getName() + " <output-file> <Message> <ttf-file>" );
}
}