/* * 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 java.io.ByteArrayInputStream; import java.io.IOException; import java.util.Collections; import java.util.GregorianCalendar; import java.util.SortedMap; import java.util.TreeMap; import org.apache.pdfbox.exceptions.COSVisitorException; import org.apache.pdfbox.pdmodel.PDDocument; import org.apache.pdfbox.pdmodel.PDDocumentNameDictionary; import org.apache.pdfbox.pdmodel.PDEmbeddedFilesNameTreeNode; import org.apache.pdfbox.pdmodel.PDPage; import org.apache.pdfbox.pdmodel.common.filespecification.PDComplexFileSpecification; import org.apache.pdfbox.pdmodel.common.filespecification.PDEmbeddedFile; import org.apache.pdfbox.pdmodel.edit.PDPageContentStream; import org.apache.pdfbox.pdmodel.font.PDFont; import org.apache.pdfbox.pdmodel.font.PDType1Font; /** * This is an example that creates a simple document and embeds a file into it.. * * @author <a href="mailto:ben@benlitchfield.com">Ben Litchfield</a> * @version $Revision: 1.2 $ */ public class EmbeddedFiles { /** * Constructor. */ public EmbeddedFiles() { super(); } /** * create the second sample document from the PDF file format specification. * * @param file The file to write the PDF to. * * @throws IOException If there is an error writing the data. * @throws COSVisitorException If there is an error writing the PDF. */ public void doIt( String file) throws IOException, COSVisitorException { // the document PDDocument doc = null; try { doc = new PDDocument(); PDPage page = new PDPage(); doc.addPage( page ); PDFont font = PDType1Font.HELVETICA_BOLD; PDPageContentStream contentStream = new PDPageContentStream(doc, page); contentStream.beginText(); contentStream.setFont( font, 12 ); contentStream.moveTextPositionByAmount( 100, 700 ); contentStream.drawString( "Go to Document->File Attachments to View Embedded Files" ); contentStream.endText(); contentStream.close(); //embedded files are stored in a named tree PDEmbeddedFilesNameTreeNode efTree = new PDEmbeddedFilesNameTreeNode(); //first create the file specification, which holds the embedded file PDComplexFileSpecification fs = new PDComplexFileSpecification(); fs.setFile( "Test.txt" ); //create a dummy file stream, this would probably normally be a FileInputStream byte[] data = "This is the contents of the embedded file".getBytes("ISO-8859-1"); ByteArrayInputStream fakeFile = new ByteArrayInputStream( data ); PDEmbeddedFile ef = new PDEmbeddedFile(doc, fakeFile ); //now lets some of the optional parameters ef.setSubtype( "test/plain" ); ef.setSize( data.length ); ef.setCreationDate( new GregorianCalendar() ); fs.setEmbeddedFile( ef ); //now add the entry to the embedded file tree and set in the document. efTree.setNames( Collections.singletonMap( "My first attachment", fs ) ); PDDocumentNameDictionary names = new PDDocumentNameDictionary( doc.getDocumentCatalog() ); names.setEmbeddedFiles( efTree ); doc.getDocumentCatalog().setNames( names ); doc.save( file ); } finally { if( doc != null ) { doc.close(); } } } /** * This will create a hello world PDF document with an embedded file. * <br /> * see usage() for commandline * * @param args Command line arguments. */ public static void main(String[] args) { EmbeddedFiles app = new EmbeddedFiles(); try { if( args.length != 1 ) { app.usage(); } else { app.doIt( args[0] ); } } catch (Exception e) { e.printStackTrace(); } } /** * This will print out a message telling how to use this example. */ private void usage() { System.err.println( "usage: " + this.getClass().getName() + " <output-file>" ); } }