/*
* $Id$
*
* Copyright 2005 by Bruno Lowagie.
*
* 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.toolbox.plugins;
import java.io.File;
import java.io.FileOutputStream;
import java.util.HashMap;
import java.util.List;
import java.util.StringTokenizer;
import javax.swing.JInternalFrame;
import javax.swing.JOptionPane;
import com.lowagie.text.Anchor;
import com.lowagie.text.Chapter;
import com.lowagie.text.Chunk;
import com.lowagie.text.LwgDocument;
import com.lowagie.text.Header;
import com.lowagie.text.Paragraph;
import com.lowagie.text.Section;
import com.lowagie.text.html.HtmlTags;
import com.lowagie.text.html.HtmlWriter;
import com.lowagie.text.pdf.PdfReader;
import com.lowagie.text.pdf.SimpleBookmark;
import com.lowagie.toolbox.AbstractTool;
import com.lowagie.toolbox.arguments.AbstractArgument;
import com.lowagie.toolbox.arguments.FileArgument;
import com.lowagie.toolbox.arguments.StringArgument;
import com.lowagie.toolbox.arguments.filters.PdfFilter;
import com.lowagie.tools.Executable;
/**
* Allows you to generate an index file in HTML containing Bookmarks to an existing PDF file.
* @since 2.1.1 (imported from itexttoolbox project)
*/
public class HtmlBookmarks extends AbstractTool {
static {
addVersion("$Id$");
}
/**
* Constructs an HtmlBookmarks object.
*/
public HtmlBookmarks() {
arguments.add(new FileArgument(this, "srcfile", "The file you want to inspect", false, new PdfFilter()));
arguments.add(new StringArgument(this, "ownerpassword", "The owner password if the file is encrypt"));
arguments.add(new StringArgument(this, "css", "The path to a CSS file"));
}
/**
* @see com.lowagie.toolbox.AbstractTool#createFrame()
*/
protected void createFrame() {
internalFrame = new JInternalFrame("Html Bookmarks", true, true, true);
internalFrame.setSize(300, 80);
internalFrame.setJMenuBar(getMenubar());
System.out.println("=== Html Bookmarks OPENED ===");
}
/**
* @see com.lowagie.toolbox.AbstractTool#execute()
*/
public void execute() {
try {
if (getValue("srcfile") == null) throw new InstantiationException("You need to choose a sourcefile");
File src = (File)getValue("srcfile");
PdfReader reader;
if (getValue("ownerpassword") == null) {
reader = new PdfReader(src.getAbsolutePath());
}
else {
reader = new PdfReader(src.getAbsolutePath(), ((String)getValue("ownerpassword")).getBytes());
}
File directory = src.getParentFile();
String name = src.getName();
name = name.substring(0, name.lastIndexOf('.'));
File html = new File(directory, name + "_index.html");
LwgDocument document = new LwgDocument();
HtmlWriter.getInstance(document, new FileOutputStream(html));
Object css = getValue("css");
if (css != null) {
document.add(new Header(HtmlTags.STYLESHEET, css.toString()));
}
Object title = reader.getInfo().get("Title");
if (title == null)
document.addTitle("Index for " + src.getName());
else
document.addKeywords("Index for '" + title + "'");
Object keywords = reader.getInfo().get("Keywords");
if (keywords != null)
document.addKeywords((String)keywords);
Object description = reader.getInfo().get("Subject");
if (keywords != null)
document.addSubject((String)description);
document.open();
Paragraph t;
if (title == null)
t = new Paragraph("Index for " + src.getName());
else
t = new Paragraph("Index for '" + title + "'");
document.add(t);
if (description != null) {
Paragraph d = new Paragraph((String) description);
document.add(d);
}
List<HashMap<String, Object>> list = SimpleBookmark.getBookmark(reader);
if (list == null) {
document.add(new Paragraph("This document has no bookmarks."));
}
else {
for (HashMap<String, Object> c: list) {
Chapter chapter = (Chapter)createBookmark(src.getName(), null, c);
List<HashMap<String, Object>> kids = (List<HashMap<String, Object>>) c.get("Kids");
if (kids != null) {
for (HashMap<String, Object> m: kids) {
addBookmark(src.getName(), chapter, m);
}
}
document.add(chapter);
}
}
document.close();
Executable.launchBrowser(html.getAbsolutePath());
}
catch(Exception e) {
e.printStackTrace();
JOptionPane.showMessageDialog(internalFrame,
e.getMessage(),
e.getClass().getName(),
JOptionPane.ERROR_MESSAGE);
System.err.println(e.getMessage());
}
}
/**
* Recursive method to write Bookmark titles to the System.out.
* @param pdf the path to the PDF file
* @param section the section to which the bookmarks should be added
* @param bookmark a HashMap containing a Bookmark (and possible kids)
*/
private static void addBookmark(String pdf, Section section, HashMap<String, Object> bookmark) {
Section s = createBookmark(pdf, section, bookmark);
List<HashMap<String, Object>> kids = (List<HashMap<String, Object>>) bookmark.get("Kids");
if (kids == null) return;
for (HashMap<String, Object> m: kids) {
addBookmark(pdf, s, m);
}
}
/**
* Adds a line with the title and an anchor.
* @param pdf the link to the PDF file
* @param section the section that gets the line
* @param bookmark the bookmark that has the data for the line
* @return a subsection of section
*/
private static Section createBookmark(String pdf, Section section, HashMap<String, Object> bookmark) {
Section s;
Paragraph title = new Paragraph((String)bookmark.get("Title"));
System.out.println((String)bookmark.get("Title"));
String action = (String)bookmark.get("Action");
if ("GoTo".equals(action)) {
if (bookmark.get("Page") != null) {
String page = (String)bookmark.get("Page");
StringTokenizer tokens = new StringTokenizer(page);
String token = tokens.nextToken();
Anchor anchor = new Anchor(" page" + token);
anchor.setReference(pdf + "#page=" + token);
title.add(anchor);
}
}
else if ("URI".equals(action)) {
String url = (String)bookmark.get("URI");
Anchor anchor = new Anchor(" Goto URL");
anchor.setReference(url);
title.add(anchor);
}
else if ("GoToR".equals(action)) {
String remote = (String)bookmark.get("File");
Anchor anchor = new Anchor(" goto " + remote);
if (bookmark.get("Named") != null) {
String named = (String)bookmark.get("Named");
remote = remote + "#nameddest=" + named;
}
else if (bookmark.get("Page") != null) {
String page = (String)bookmark.get("Page");
StringTokenizer tokens = new StringTokenizer(page);
String token = tokens.nextToken();
anchor.add(new Chunk(" page " + token));
remote = remote + "#page=" + token;
}
anchor.setReference(remote);
title.add(anchor);
}
if (section == null) {
s = new Chapter(title, 0);
}
else {
s = section.addSection(title);
}
s.setNumberDepth(0);
return s;
}
/**
*
* @see com.lowagie.toolbox.AbstractTool#valueHasChanged(com.lowagie.toolbox.arguments.AbstractArgument)
* @param arg StringArgument
*/
public void valueHasChanged(AbstractArgument arg) {
if (internalFrame == null) {
// if the internal frame is null, the tool was called from the command line
return;
}
// represent the changes of the argument in the internal frame
}
/**
* Allows you to generate an index file in HTML containing Bookmarks to an existing PDF file.
*
* @param args String[]
*/
public static void main(String[] args) {
HtmlBookmarks tool = new HtmlBookmarks();
if (args.length < 1) {
System.err.println(tool.getUsage());
}
tool.setMainArguments(args);
tool.execute();
}
/**
*
* @see com.lowagie.toolbox.AbstractTool#getDestPathPDF()
* @throws InstantiationException
* @return File
*/
protected File getDestPathPDF() throws InstantiationException {
throw new InstantiationException("There is no file to show.");
}
}