| /* |
| * 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. |
| */ |
| |
| /* $Id$ */ |
| |
| package xmp; |
| |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.net.URL; |
| |
| import javax.xml.transform.TransformerException; |
| |
| import org.apache.xmlgraphics.xmp.Metadata; |
| import org.apache.xmlgraphics.xmp.XMPArray; |
| import org.apache.xmlgraphics.xmp.XMPConstants; |
| import org.apache.xmlgraphics.xmp.XMPPacketParser; |
| import org.apache.xmlgraphics.xmp.XMPProperty; |
| |
| /** |
| * This example shows how to parse an XMP packet from an arbitrary file. |
| */ |
| public class ExtractMetadataPacket { |
| |
| private static void parseMetadata() throws IOException, TransformerException { |
| URL url = ExtractMetadataPacket.class.getResource("xmp-sandbox.fop.trunk.pdf"); |
| InputStream in = url.openStream(); |
| try { |
| Metadata meta = XMPPacketParser.parse(in); |
| if (meta == null) { |
| System.err.println("No XMP packet found!"); |
| } else { |
| dumpSomeMetadata(meta); |
| } |
| } finally { |
| in.close(); |
| } |
| } |
| |
| private static void dumpSomeMetadata(Metadata meta) { |
| XMPProperty prop; |
| prop = meta.getProperty(XMPConstants.DUBLIN_CORE_NAMESPACE, "creator"); |
| if (prop != null) { |
| XMPArray array; |
| array = prop.getArrayValue(); |
| for (int i = 0, c = array.getSize(); i < c; i++) { |
| System.out.println("Creator: " + array.getValue(i)); |
| } |
| } |
| prop = meta.getProperty(XMPConstants.DUBLIN_CORE_NAMESPACE, "title"); |
| if (prop != null) { |
| System.out.println("Title: " + prop.getValue()); |
| } |
| prop = meta.getProperty(XMPConstants.XMP_BASIC_NAMESPACE, "CreateDate"); |
| if (prop != null) { |
| System.out.println("Creation Date: " + prop.getValue()); |
| } |
| prop = meta.getProperty(XMPConstants.XMP_BASIC_NAMESPACE, "CreatorTool"); |
| if (prop != null) { |
| System.out.println("Creator Tool: " + prop.getValue()); |
| } |
| prop = meta.getProperty(XMPConstants.ADOBE_PDF_NAMESPACE, "Producer"); |
| if (prop != null) { |
| System.out.println("Producer: " + prop.getValue()); |
| } |
| prop = meta.getProperty(XMPConstants.ADOBE_PDF_NAMESPACE, "PDFVersion"); |
| if (prop != null) { |
| System.out.println("PDF version: " + prop.getValue()); |
| } |
| } |
| |
| /** |
| * Command-line interface. |
| * @param args the command-line arguments |
| */ |
| public static void main(String[] args) { |
| try { |
| parseMetadata(); |
| } catch (Exception e) { |
| e.printStackTrace(); |
| } |
| } |
| |
| } |