diff options
Diffstat (limited to 'src/main/java/com/lowagie/tools/plugins/treeview/AnalyzePDF.java')
| -rw-r--r-- | src/main/java/com/lowagie/tools/plugins/treeview/AnalyzePDF.java | 507 |
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 new file mode 100644 index 0000000..5907f9a --- /dev/null +++ b/src/main/java/com/lowagie/tools/plugins/treeview/AnalyzePDF.java @@ -0,0 +1,507 @@ +/*
+ * $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());
+ }
+}
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