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, 507 insertions, 0 deletions

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

+ * $Id: AnalyzePDF.java,v 1.4 2006/05/30 09:11:45 blowagie Exp $

+ * $Name:  $

+ *

+ * Copyright 2005 by Anonymous.

+ *

+ * The contents of this file are subject to the Mozilla Public License Version 1.1

+ * (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.mozilla.org/MPL/

+ *

+ * Software distributed under the License is distributed on an "AS IS" basis,

+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License

+ * for the specific language governing rights and limitations under the License.

+ *

+ * The Original Code is 'iText, a free JAVA-PDF library'.

+ *

+ * The Initial Developer of the Original Code is Bruno Lowagie. Portions created by

+ * the Initial Developer are Copyright (C) 1999, 2000, 2001, 2002 by Bruno Lowagie.

+ * All Rights Reserved.

+ * Co-Developer of the code is Paulo Soares. Portions created by the Co-Developer

+ * are Copyright (C) 2000, 2001, 2002 by Paulo Soares. All Rights Reserved.

+ *

+ * Contributor(s): all the names of the contributors are added in the source code

+ * where applicable.

+ *

+ * Alternatively, the contents of this file may be used under the terms of the

+ * LGPL license (the "GNU LIBRARY GENERAL PUBLIC LICENSE"), in which case the

+ * provisions of LGPL are applicable instead of those above.  If you wish to

+ * allow use of your version of this file only under the terms of the LGPL

+ * License and not to allow others to use your version of this file under

+ * the MPL, indicate your decision by deleting the provisions above and

+ * replace them with the notice and other provisions required by the LGPL.

+ * If you do not delete the provisions above, a recipient may use your version

+ * of this file under either the MPL or the GNU LIBRARY GENERAL PUBLIC LICENSE.

+ *

+ * This library is free software; you can redistribute it and/or modify it

+ * under the terms of the MPL as stated above or under the terms of the GNU

+ * Library General Public License as published by the Free Software Foundation;

+ * either version 2 of the License, or any later version.

+ *

+ * This library 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. See the GNU Library general Public License for more

+ * details.

+ *

+ * If you didn't download this code from the following link, you should check if

+ * you aren't using an obsolete version:

+ * http://www.lowagie.com/iText/

+ */

+package com.lowagie.tools.plugins.treeview;

+

+import java.io.IOException;

+import java.util.ArrayList;

+import java.util.Vector;

+

+import javax.swing.event.TreeModelEvent;

+import javax.swing.event.TreeModelListener;

+import javax.swing.tree.DefaultMutableTreeNode;

+import javax.swing.tree.TreeModel;

+import javax.swing.tree.TreePath;

+

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

+import java.util.Set;

+import java.util.Iterator;

+import javax.swing.table.TableModel;

+import javax.swing.table.AbstractTableModel;

+

+public class AnalyzePDF

+    extends Thread implements TreeModel, ICommonAnalyzer {

+  DefaultMutableTreeNode root;

+  DefaultMutableTreeNode filenode;

+  int pagecount;

+  ProgressDialog progressdialog;

+  int numberofpages;

+  ArrayList pageInh = new ArrayList();

+  private transient Vector treeModelListeners;

+  PdfReader reader;

+

+  public AnalyzePDF(String infile,

+                    com.lowagie.tools.plugins.treeview.ProgressDialog blubb) {

+    this.progressdialog = blubb;

+    try {

+      reader = new PdfReader(infile);

+      root = new SimpletextTreeNode("Dokument");

+      filenode = new FileTreeNode(infile, reader);

+      root.add(filenode);

+      this.numberofpages = reader.getNumberOfPages();

+    }

+    catch (IOException ex) {

+    }

+    pagecount = 0;

+  }

+

+  public TableModel getXReftable() {

+    TableModel tm = new AbstractTableModel() {

+      public int getColumnCount() {

+        return 2;

+      }

+

+      public int getRowCount() {

+        return reader.getXrefSize() - 1;

+      }

+

+      public Object getValueAt(int rowIndex, int columnIndex) {

+        switch (columnIndex) {

+          case 0:

+            return new Integer(rowIndex + 1);

+          case 1:

+            PdfObject pdfob=reader.getPdfObject(rowIndex + 1);

+            if(pdfob.isStream()){

+             return "Stream "+pdfob;

+            }else{

+              return pdfob;

+            }

+          default:

+            return null;

+        }

+      }

+

+      /**

+       * Returns the name of the column at <code>columnIndex</code>.

+       *

+       * @param columnIndex the index of the column

+       * @return the name of the column

+       * @todo Implement this javax.swing.table.TableModel method

+       */

+      public String getColumnName(int columnIndex) {

+        switch (columnIndex) {

+         case 0:

+           return "XRefNr";

+         case 1:

+           return "Object";

+         default:

+           return null;

+       }

+

+      }

+    };

+    return tm;

+  }

+

+  /**

+   * Walk down the Pagetree

+   * @param page PdfDictionary

+   * @param pdfreader PdfReader

+   * @param count_in_leaf int

+   * @param node DefaultMutableTreeNode

+   */

+  protected void iteratePages(PdfDictionary page, PdfReader pdfreader,

+                              DefaultMutableTreeNode node) {

+    DefaultMutableTreeNode leaf;

+

+    PdfArray kidsPR = (PdfArray) PdfReader.getPdfObject(page.get(PdfName.KIDS));

+    if (kidsPR == null) {

+      node.add(new Pagetreenode(page, pagecount, this, pdfreader));

+      System.out.println("Page= " + (pagecount + 1));

+      pageInh.add(pagecount, page);

+      pagecount++;

+    }

+    else {

+      leaf = new PagelistTreeNode(kidsPR);

+      node.add(leaf);

+      page.put(PdfName.TYPE, PdfName.PAGES);

+      ArrayList kids = kidsPR.getArrayList();

+      for (int k = 0; k < kids.size(); ++k) {

+        PdfDictionary kid = (PdfDictionary) PdfReader.getPdfObject( (

+            PRIndirectReference) kids.get(k));

+        iteratePages(kid, pdfreader, leaf);

+      }

+    }

+  }

+

+  protected void iterateOutlines(PdfDictionary outlines, PdfReader pdfreader,

+                                 DefaultMutableTreeNode node) {

+    DefaultMutableTreeNode leaf;

+    PdfDictionary kid = outlines;

+    do {

+      PdfString title = (PdfString) pdfreader.getPdfObject(

+          kid.get(PdfName.TITLE));

+      leaf = new OutlinelistTreeNode(title, kid);

+      node.add(leaf);

+      PdfDictionary first = (PdfDictionary) PdfReader.getPdfObject( (

+          PRIndirectReference) kid.get(PdfName.FIRST));

+      if (first != null) {

+        iterateOutlines(first, pdfreader, leaf);

+      }

+      else {

+        PdfDictionary se = (PdfDictionary) PdfReader.getPdfObject( (

+            PRIndirectReference) kid.get(new PdfName("SE")));

+        if (se != null) {

+          iterateObjects(se, pdfreader, leaf);

+        }

+        PdfObject dest = (PdfObject) pdfreader.getPdfObject(kid.get(PdfName.

+            DEST));

+        if (dest != null) {

+          iterateObjects(dest, pdfreader, leaf);

+        }

+        PdfObject a = (PdfObject) pdfreader.getPdfObject(kid.get(PdfName.A));

+        if (a != null) {

+          iterateObjects(a, pdfreader, leaf);

+        }

+      }

+    }

+    while ( (kid = (PdfDictionary) pdfreader.getPdfObject(kid.get(PdfName.NEXT))) != null);

+  }

+

+  /**

+   * Recursive investigate PDF Objecttree (other than pagetree objects!)

+   * @param pdfobj PdfObject

+   * @param pdfreader PdfReader

+   * @param node DefaultMutableTreeNode

+   */

+  public void iterateObjects(PdfObject pdfobj, PdfReader pdfreader,

+                             DefaultMutableTreeNode node) {

+    DefaultMutableTreeNode leaf;

+    if (pdfobj.isDictionary()) {

+      leaf = new DictionaryTreeNode("PdfDictionary " + pdfobj,

+                                    (PdfDictionary) pdfobj);

+      node.add(leaf);

+      Set s = ( (PdfDictionary) pdfobj).getKeys();

+      Iterator it = s.iterator();

+      int i = 0;

+      while (it.hasNext()) {

+        i++;

+        Object obj = it.next();

+//        System.out.println("Feld:" + obj);

+

+        PdfObject value = PdfReader.getPdfObject( ( (PdfDictionary) pdfobj).get( (

+            PdfName) obj));

+//        System.out.println("Value:" + value);

+        SimpletextTreeNode sttn = new SimpletextTreeNode(obj + " " + value);

+        leaf.add(sttn);

+        if (obj.equals(PdfName.PARENT)) {

+          continue;

+        }

+        if (value != null) {

+          iterateObjects(value, pdfreader, sttn);

+        }

+      }

+    }

+    else if (pdfobj.isArray()) {

+      leaf = new ArrayTreeNode("PdfArray " + pdfobj, (PdfArray) pdfobj);

+      node.add(leaf);

+      ArrayList kids = ( (PdfArray) pdfobj).getArrayList();

+      for (int k = 0; k < kids.size(); ++k) {

+        PdfObject curkid = (PdfObject) kids.get(k);

+        if (curkid.isIndirect()) {

+          PdfObject kid = PdfReader.getPdfObject( (

+              PRIndirectReference) kids.get(k));

+          if (kid != null) {

+            iterateObjects(kid, pdfreader, leaf);

+          }

+        }

+        else if (curkid.isNumber()) {

+

+        }

+        else {

+          PdfObject kid = (PdfObject) kids.get(k);

+          iterateObjects(kid, pdfreader, leaf);

+        }

+      }

+    }

+    else if (pdfobj.isIndirect()) {

+      leaf = new SimpletextTreeNode("PRIndirectReference " + pdfobj);

+      node.add(leaf);

+      PdfObject target = PdfReader.getPdfObject( (

+          PRIndirectReference) pdfobj);

+      if (target != null) {

+        iterateObjects(target, pdfreader, leaf);

+      }

+    }

+    else if (pdfobj.isBoolean()) {

+//      leaf = new SimpletextTreeNode("Boolean " + pdfobj);

+//      node.add(leaf);

+    }

+    else if (pdfobj.isName()) {

+//      leaf = new SimpletextTreeNode("Name " + pdfobj);

+//      node.add(leaf);

+    }

+    else if (pdfobj.isNull()) {

+//      leaf = new SimpletextTreeNode("Null " + pdfobj);

+//      node.add(leaf);

+    }

+    else if (pdfobj.isNumber()) {

+//      leaf = new SimpletextTreeNode("Number " + pdfobj);

+//      node.add(leaf);

+    }

+    else if (pdfobj.isString()) {

+//      leaf = new SimpletextTreeNode("String " + pdfobj);

+//      node.add(leaf);

+    }

+ else if (pdfobj.isStream()) {

+      leaf = new TextpaneTreeNode(pdfobj,"Stream");

+      node.add(leaf);

+      leaf = new DictionaryTreeNode("PdfDictionary " + pdfobj,

+                                  (PdfDictionary) pdfobj);

+    node.add(leaf);

+    Set s = ( (PdfDictionary) pdfobj).getKeys();

+    Iterator it = s.iterator();

+    int i = 0;

+    while (it.hasNext()) {

+      i++;

+      Object obj = it.next();

+//        System.out.println("Feld:" + obj);

+

+      PdfObject value = PdfReader.getPdfObject( ( (PdfDictionary) pdfobj).get( (

+          PdfName) obj));

+//        System.out.println("Value:" + value);

+      SimpletextTreeNode sttn = new SimpletextTreeNode(obj + " " + value);

+      leaf.add(sttn);

+      if (obj.equals(PdfName.PARENT)) {

+        continue;

+      }

+      if (value != null) {

+        iterateObjects(value, pdfreader, sttn);

+      }

+    }

+

+ }

+

+    else {

+      leaf = new SimpletextTreeNode("Unknown " + pdfobj);

+      node.add(leaf);

+    }

+

+  }

+

+  /**

+   * Returns the root of the tree.

+   *

+   * @return the root of the tree

+   * @todo Diese javax.swing.tree.TreeModel-Methode implementieren

+   */

+  public Object getRoot() {

+    return root;

+  }

+

+  /**

+   * Returns the child of <code>parent</code> at index <code>index</code> in the

+   * parent's child array.

+   *

+   * @param parent a node in the tree, obtained from this data source

+   * @param index int

+   * @return the child of <code>parent</code> at index <code>index</code>

+   * @todo Diese javax.swing.tree.TreeModel-Methode implementieren

+   */

+  public Object getChild(Object parent, int index) {

+    DefaultMutableTreeNode node = (DefaultMutableTreeNode) parent;

+    return node.getChildAt(index);

+  }

+

+  /**

+   * Returns the number of children of <code>parent</code>.

+   *

+   * @param parent a node in the tree, obtained from this data source

+   * @return the number of children of the node <code>parent</code>

+   * @todo Diese javax.swing.tree.TreeModel-Methode implementieren

+   */

+  public int getChildCount(Object parent) {

+    DefaultMutableTreeNode node = (DefaultMutableTreeNode) parent;

+    return node.getChildCount();

+  }

+

+  /**

+   * Returns <code>true</code> if <code>node</code> is a leaf.

+   *

+   * @param node a node in the tree, obtained from this data source

+   * @return true if <code>node</code> is a leaf

+   * @todo Diese javax.swing.tree.TreeModel-Methode implementieren

+   */

+  public boolean isLeaf(Object node) {

+    DefaultMutableTreeNode leaf = (DefaultMutableTreeNode) node;

+    return leaf.isLeaf();

+  }

+

+  /**

+   * Messaged when the user has altered the value for the item identified by

+   * <code>path</code> to <code>newValue</code>.

+   *

+   * @param path path to the node that the user has altered

+   * @param newValue the new value from the TreeCellEditor

+   * @todo Diese javax.swing.tree.TreeModel-Methode implementieren

+   */

+  public void valueForPathChanged(TreePath path, Object newValue) {

+    throw new RuntimeException("Manipulation of objecttree not yet supported!");

+  }

+

+  /**

+   * Returns the index of child in parent.

+   *

+   * @param parent a note in the tree, obtained from this data source

+   * @param child the node we are interested in

+   * @return the index of the child in the parent, or -1 if either

+   *   <code>child</code> or <code>parent</code> are <code>null</code>

+   * @todo Diese javax.swing.tree.TreeModel-Methode implementieren

+   */

+  public int getIndexOfChild(Object parent, Object child) {

+    DefaultMutableTreeNode parentobj = (DefaultMutableTreeNode) parent;

+    DefaultMutableTreeNode childobj = (DefaultMutableTreeNode) child;

+    return parentobj.getIndex(childobj);

+  }

+

+  public synchronized void removeTreeModelListener(TreeModelListener l) {

+    if (treeModelListeners != null && treeModelListeners.contains(l)) {

+      Vector v = (Vector) treeModelListeners.clone();

+      v.removeElement(l);

+      treeModelListeners = v;

+    }

+  }

+

+  public synchronized void addTreeModelListener(TreeModelListener l) {

+    Vector v = treeModelListeners == null ? new Vector(2) :

+        (Vector) treeModelListeners.clone();

+    if (!v.contains(l)) {

+      v.addElement(l);

+      treeModelListeners = v;

+    }

+  }

+

+  protected void fireTreeNodesChanged(TreeModelEvent e) {

+    if (treeModelListeners != null) {

+      Vector listeners = treeModelListeners;

+      int count = listeners.size();

+      for (int i = 0; i < count; i++) {

+        ( (TreeModelListener) listeners.elementAt(i)).treeNodesChanged(e);

+      }

+    }

+  }

+

+  protected void fireTreeNodesInserted(TreeModelEvent e) {

+    if (treeModelListeners != null) {

+      Vector listeners = treeModelListeners;

+      int count = listeners.size();

+      for (int i = 0; i < count; i++) {

+        ( (TreeModelListener) listeners.elementAt(i)).treeNodesInserted(e);

+      }

+    }

+  }

+

+  protected void fireTreeNodesRemoved(TreeModelEvent e) {

+    if (treeModelListeners != null) {

+      Vector listeners = treeModelListeners;

+      int count = listeners.size();

+      for (int i = 0; i < count; i++) {

+        ( (TreeModelListener) listeners.elementAt(i)).treeNodesRemoved(e);

+      }

+    }

+  }

+

+  protected void fireTreeStructureChanged(TreeModelEvent e) {

+    if (treeModelListeners != null) {

+      Vector listeners = treeModelListeners;

+      int count = listeners.size();

+      for (int i = 0; i < count; i++) {

+        ( (TreeModelListener) listeners.elementAt(i)).treeStructureChanged(e);

+      }

+    }

+  }

+

+  /**

+   * When an object implementing interface <code>Runnable</code> is used to

+   * create a thread, starting the thread causes the object's <code>run</code>

+   * method to be called in that separately executing thread.

+   *

+   * @todo Diese java.lang.Runnable-Methode implementieren

+   */

+  public void run() {

+    try {

+      PdfDictionary catalog = reader.getCatalog();

+      PdfDictionary rootPages = (PdfDictionary) PdfReader.getPdfObject(

+          catalog.get(PdfName.PAGES));

+      DefaultMutableTreeNode rootPagesGUI = new SimpletextTreeNode("Pagetree " +

+          rootPages);

+      filenode.add(rootPagesGUI);

+      iteratePages(rootPages, reader, rootPagesGUI);

+

+      PdfDictionary rootOutlines = (PdfDictionary) PdfReader.getPdfObject(

+          catalog.get(PdfName.OUTLINES));

+      if (rootOutlines != null) {

+        DefaultMutableTreeNode outlinetree = new SimpletextTreeNode(

+            "Outlinetree " + rootOutlines);

+        filenode.add(outlinetree);

+        PdfObject firstindref = rootOutlines.get(PdfName.FIRST);

+        if (firstindref != null) {

+          PdfDictionary first = (PdfDictionary) PdfReader.getPdfObject( (

+              PRIndirectReference) firstindref);

+          if (first != null) {

+            iterateOutlines(first, reader, outlinetree);

+          }

+        }

+      }

+      System.out.println(" Pagecount= " + pagecount);

+      progressdialog.setVisible(false);

+    }

+    catch (Exception e) {

+      e.printStackTrace(System.out);

+    }

+  }

+

+  public int getPagecount() {

+    return pagecount;

+  }

+

+  public void updatecount() {

+    progressdialog.setAktuelleseite(getPagecount());

+  }

+}