diff options
Diffstat (limited to 'src/main/java/org/pdfbox/examples/pdmodel/AddMetadataFromDocInfo.java')
| -rw-r--r-- | src/main/java/org/pdfbox/examples/pdmodel/AddMetadataFromDocInfo.java | 180 |
1 files changed, 180 insertions, 0 deletions
diff --git a/src/main/java/org/pdfbox/examples/pdmodel/AddMetadataFromDocInfo.java b/src/main/java/org/pdfbox/examples/pdmodel/AddMetadataFromDocInfo.java new file mode 100644 index 0000000..35080cd --- /dev/null +++ b/src/main/java/org/pdfbox/examples/pdmodel/AddMetadataFromDocInfo.java @@ -0,0 +1,180 @@ +/**
+ * 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(
+ "<?xpacket begin='' id='W5M0MpCehiHzreSzNTczkc9d'?>\n" +
+ "<?adobe-xap-filters esc=\"CRLF\"?>\n" +
+ "<x:xmpmeta>\n" +
+ " <rdf:RDF xmlns:rdf='http://www.w3.org/1999/02/22-rdf-syntax-ns#'>\n" +
+ " <rdf:Description rdf:about='' xmlns:pdf='http://ns.adobe.com/pdf/1.3/' " +
+ "pdf:Keywords='" + fixNull( info.getKeywords() ) + "' " +
+ "pdf:Producer='" + fixNull( info.getProducer() ) + "'></rdf:Description>\n" +
+ " <rdf:Description rdf:about='' xmlns:xap='http://ns.adobe.com/xap/1.0/' " +
+ "xap:ModifyDate='" + fixNull( info.getModificationDate() ) + "' " +
+ "xap:CreateDate='" + fixNull( info.getCreationDate() ) + "' " +
+ "xap:CreatorTool='" + fixNull( info.getCreator() ) + "' " +
+ "xap:MetadataDate='" + fixNull( new GregorianCalendar() )+ "'>\n" +
+ " </rdf:Description>\n" +
+ " <rdf:Description rdf:about='' xmlns:dc='http://purl.org/dc/elements/1.1/' " +
+ "dc:format='application/pdf'>\n" +
+ " <dc:title>\n" +
+ " <rdf:Alt>\n" +
+ " <rdf:li xml:lang='x-default'>" + fixNull( info.getTitle() ) +"</rdf:li>\n" +
+ " </rdf:Alt>\n" +
+ " </dc:title>\n" +
+ " <dc:creator>\n" +
+ " <rdf:Seq>\n" +
+ " <rdf:li>PDFBox.org</rdf:li>\n" +
+ " </rdf:Seq>\n" +
+ " </dc:creator>\n" +
+ " <dc:description>\n" +
+ " <rdf:Alt>\n" +
+ " <rdf:li xml:lang='x-default'>" + fixNull( info.getSubject() ) +"</rdf:li>\n" +
+ " </rdf:Alt>\n" +
+ " </dc:description>\n" +
+ " </rdf:Description>\n" +
+ " </rdf:RDF>\n" +
+ "</x:xmpmeta>\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<?xpacket end='w'?>" );
+ 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 <input-pdf> <output-pdf>" );
+ }
+}
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