Initial import of release 2.2.REL-2.2@923

git-svn-id: https://joinup.ec.europa.eu/svn/pdf-as/trunk@4 7b5415b0-85f9-ee4d-85bd-d5d0c3b42d1c

1 files changed, 168 insertions, 0 deletions

diff --git a/src/main/java/com/lowagie/tools/plugins/Split.java b/src/main/java/com/lowagie/tools/plugins/Split.java
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+++ b/src/main/java/com/lowagie/tools/plugins/Split.java
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+/*

+ * $Id: Split.java,v 1.9 2005/11/29 21:05:02 blowagie Exp $

+ * $Name:  $

+ *

+ * This code is free software. It may only be copied or modified

+ * if you include the following copyright notice:

+ *

+ * This class by Mark Thompson. Copyright (c) 2002 Mark Thompson.

+ *

+ * This code is distributed in the hope that it will be useful,

+ * but WITHOUT ANY WARRANTY; without even the implied warranty of

+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

+ *

+ * itext-questions@list.sourceforge.net

+ */

+package com.lowagie.tools.plugins;

+

+import java.io.File;

+import java.io.FileOutputStream;

+

+import javax.swing.JInternalFrame;

+

+import com.lowagie.text.Document;

+import com.lowagie.text.DocumentException;

+import com.lowagie.text.pdf.PdfContentByte;

+import com.lowagie.text.pdf.PdfImportedPage;

+import com.lowagie.text.pdf.PdfReader;

+import com.lowagie.text.pdf.PdfWriter;

+import com.lowagie.tools.arguments.FileArgument;

+import com.lowagie.tools.arguments.LabelAccessory;

+import com.lowagie.tools.arguments.PdfFilter;

+import com.lowagie.tools.arguments.ToolArgument;

+

+/**

+ * This tool lets you split a PDF in two separate PDF files.

+ */

+public class Split extends AbstractTool {

+

+	static {

+		addVersion("$Id: Split.java,v 1.9 2005/11/29 21:05:02 blowagie Exp $");

+	}

+	/**

+	 * Constructs an Split object.

+	 */

+	public Split() {

+		FileArgument f = new FileArgument(this, "srcfile", "The file you want to split", false, new PdfFilter());

+		f.setLabel(new LabelAccessory());

+		arguments.add(f);

+		arguments.add(new FileArgument(this, "destfile1", "The file to which the first part of the original PDF has to be written", true, new PdfFilter()));

+		arguments.add(new FileArgument(this, "destfile2", "The file to which the second part of the original PDF has to be written", true, new PdfFilter()));

+		arguments.add(new ToolArgument(this, "pagenumber", "The pagenumber where you want to split", String.class.getName()));

+	}

+

+	/**

+	 * @see com.lowagie.tools.plugins.AbstractTool#createFrame()

+	 */

+	protected void createFrame() {

+		internalFrame = new JInternalFrame("Split", true, false, true);

+		internalFrame.setSize(300, 80);

+		internalFrame.setJMenuBar(getMenubar());

+		System.out.println("=== Split OPENED ===");

+	}

+

+	/**

+	 * @see com.lowagie.tools.plugins.AbstractTool#execute()

+	 */

+	public void execute() {

+        try {

+			if (getValue("srcfile") == null) throw new InstantiationException("You need to choose a sourcefile");

+			File src = (File)getValue("srcfile");

+        	if (getValue("destfile1") == null) throw new InstantiationException("You need to choose a destination file for the first part of the PDF");

+        	File file1 = (File)getValue("destfile1");

+        	if (getValue("destfile2") == null) throw new InstantiationException("You need to choose a destination file for the second part of the PDF");

+        	File file2 = (File)getValue("destfile2");

+        	int pagenumber = Integer.parseInt((String)getValue("pagenumber"));

+

+        	// we create a reader for a certain document

+			PdfReader reader = new PdfReader(src.getAbsolutePath());

+			// we retrieve the total number of pages

+			int n = reader.getNumberOfPages();

+			System.out.println("There are " + n + " pages in the original file.");

+

+			if (pagenumber < 2 || pagenumber > n) {

+				throw new DocumentException("You can't split this document at page " + pagenumber + "; there is no such page.");

+			}

+

+			// step 1: creation of a document-object

+			Document document1 = new Document(reader.getPageSizeWithRotation(1));

+			Document document2 = new Document(reader.getPageSizeWithRotation(pagenumber));

+			// step 2: we create a writer that listens to the document

+			PdfWriter writer1 = PdfWriter.getInstance(document1, new FileOutputStream(file1));

+			PdfWriter writer2 = PdfWriter.getInstance(document2, new FileOutputStream(file2));

+			// step 3: we open the document

+			document1.open();

+			PdfContentByte cb1 = writer1.getDirectContent();

+			document2.open();

+			PdfContentByte cb2 = writer2.getDirectContent();

+			PdfImportedPage page;

+			int rotation;

+			int i = 0;

+			// step 4: we add content

+			while (i < pagenumber - 1) {

+				i++;

+				document1.setPageSize(reader.getPageSizeWithRotation(i));

+				document1.newPage();

+				page = writer1.getImportedPage(reader, i);

+				rotation = reader.getPageRotation(i);

+				if (rotation == 90 || rotation == 270) {

+					cb1.addTemplate(page, 0, -1f, 1f, 0, 0, reader.getPageSizeWithRotation(i).height());

+				}

+				else {

+					cb1.addTemplate(page, 1f, 0, 0, 1f, 0, 0);

+				}

+			}

+			while (i < n) {

+				i++;

+				document2.setPageSize(reader.getPageSizeWithRotation(i));

+				document2.newPage();

+				page = writer2.getImportedPage(reader, i);

+				rotation = reader.getPageRotation(i);

+				if (rotation == 90 || rotation == 270) {

+					cb2.addTemplate(page, 0, -1f, 1f, 0, 0, reader.getPageSizeWithRotation(i).height());

+				}

+				else {

+					cb2.addTemplate(page, 1f, 0, 0, 1f, 0, 0);

+				}

+			}

+			// step 5: we close the document

+			document1.close();

+			document2.close();

+        }

+        catch(Exception e) {

+            e.printStackTrace();

+        }

+    }

+

+	/**

+	 * @see com.lowagie.tools.plugins.AbstractTool#valueHasChanged(com.lowagie.tools.arguments.ToolArgument)

+	 */

+	public void valueHasChanged(ToolArgument arg) {

+		if (internalFrame == null) {

+			// if the internal frame is null, the tool was called from the commandline

+			return;

+		}

+		// represent the changes of the argument in the internal frame

+	}

+

+

+    /**

+     * Split a PDF in two separate PDF files.

+     * @param args

+     */

+	public static void main(String[] args) {

+    	Split tool = new Split();

+    	if (args.length < 4) {

+    		System.err.println(tool.getUsage());

+    	}

+    	tool.setArguments(args);

+        tool.execute();

+	}

+

+	/**

+	 * @see com.lowagie.tools.plugins.AbstractTool#getDestPathPDF()

+	 */

+	protected File getDestPathPDF() throws InstantiationException {

+		return (File)getValue("destfile1");

+	}

+}