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src/main/java/pdfbox/PDFAFile.java

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+/*
+ * 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 pdfbox;
+
+import java.io.InputStream;
+
+import org.apache.jempbox.xmp.XMPMetadata;
+import org.apache.jempbox.xmp.pdfa.XMPSchemaPDFAId;
+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;
+
+/**
+ * This is an example that creates a simple PDF/A document.
+ * 
+ */
+public class PDFAFile
+{
+  /**
+   * Constructor.
+   */
+  public PDFAFile()
+  {
+    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(String file, String message) throws Exception
+  {
+    // the document
+    PDDocument doc = null;
+    try {
+      doc = new PDDocument();
+
+      PDPage page = new PDPage();
+      doc.addPage(page);
+
+      InputStream fontStream = PDFA3File.class.getResourceAsStream("/Ubuntu-R.ttf");
+      PDFont font = PDTrueTypeFont.loadTTF(doc, fontStream);
+
+      // 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);
+
+      // jempbox version
+      XMPMetadata xmp = new XMPMetadata();
+      XMPSchemaPDFAId pdfaid = new XMPSchemaPDFAId(xmp);
+      xmp.addSchema(pdfaid);
+      pdfaid.setConformance("B");
+      pdfaid.setPart(1);
+      pdfaid.setAbout("");
+      metadata.importXMPMetadata(xmp);
+
+      InputStream colorProfile = PDFA3File.class.getResourceAsStream("/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)
+  {
+    PDFAFile app = new PDFAFile();
+    try {
+      if (args.length != 2) {
+        app.usage();
+      } else {
+        app.doIt(args[0], args[1]);
+      }
+    } 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> <Message>");
+  }
+}