1 files changed, 148 insertions, 0 deletions
diff --git a/src/main/java/org/pdfbox/examples/pdmodel/AddMessageToEachPage.java b/src/main/java/org/pdfbox/examples/pdmodel/AddMessageToEachPage.java
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+/**
+ * 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 java.io.IOException;
+import java.util.List;
+
+import org.pdfbox.exceptions.COSVisitorException;
+
+import org.pdfbox.pdmodel.PDDocument;
+import org.pdfbox.pdmodel.PDPage;
+
+import org.pdfbox.pdmodel.common.PDRectangle;
+import org.pdfbox.pdmodel.edit.PDPageContentStream;
+
+import org.pdfbox.pdmodel.font.PDFont;
+import org.pdfbox.pdmodel.font.PDType1Font;
+
+
+/**
+ * This is an example of how to add a message to every page
+ * in a pdf document.
+ *
+ * @author Ben Litchfield (ben@benlitchfield.com)
+ * @version $Revision: 1.2 $
+ */
+public class AddMessageToEachPage
+{
+    /**
+     * Constructor.
+     */
+    public AddMessageToEachPage()
+    {
+        super();
+    }
+
+    /**
+     * create the second sample document from the PDF file format specification.
+     *
+     * @param file The file to write the PDF to.
+     * @param message The message to write in the file.
+     * @param outfile The resulting PDF.
+     *
+     * @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, String message, String  outfile ) throws IOException, COSVisitorException
+    {
+        // the document
+        PDDocument doc = null;
+        try
+        {
+            doc = PDDocument.load( file );
+            
+            List allPages = doc.getDocumentCatalog().getAllPages();
+            PDFont font = PDType1Font.HELVETICA_BOLD;
+            float fontSize = 12.0f;
+            
+            for( int i=0; i<allPages.size(); i++ )
+            {
+                PDPage page = (PDPage)allPages.get( i );
+                PDRectangle pageSize = page.findMediaBox();
+                float stringWidth = font.getStringWidth( message );
+                float centeredPosition = (pageSize.getWidth() - (stringWidth*fontSize)/1000f)/2f;
+                PDPageContentStream contentStream = new PDPageContentStream(doc, page, true, true);
+                contentStream.beginText();
+                contentStream.setFont( font, fontSize );
+                contentStream.moveTextPositionByAmount( centeredPosition, 30 );
+                contentStream.drawString( message );
+                contentStream.endText();
+                contentStream.close();
+            }
+            
+            
+            doc.save( outfile );
+        }
+        finally
+        {
+            if( doc != null )
+            {
+                doc.close();
+            }
+        }
+    }
+
+    /**
+     * This will create a hello world PDF document.
+     * <br />
+     * see usage() for commandline
+     *
+     * @param args Command line arguments.
+     */
+    public static void main(String[] args)
+    {
+        AddMessageToEachPage app = new AddMessageToEachPage();
+        try
+        {
+            if( args.length != 3 )
+            {
+                app.usage();
+            }
+            else
+            {
+                app.doIt( args[0], args[1], args[2] );
+            }
+        }
+        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() + " <input-file> <Message> <output-file>" );
+    }
+}
+\ No newline at end of file