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Java > Open Source Codes > com > lowagie > tools > concat_pdf


1 /*
2  * $Id: concat_pdf.java 2441 2006-10-27 17:24:01Z xlv $
3  * $Name$
4  *
5  * Copyright 2002 by Mark Thompson
6  *
7  * The contents of this file are subject to the Mozilla Public License Version 1.1
8  * (the "License"); you may not use this file except in compliance with the License.
9  * You may obtain a copy of the License at http://www.mozilla.org/MPL/
10  *
11  * Software distributed under the License is distributed on an "AS IS" basis,
12  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
13  * for the specific language governing rights and limitations under the License.
14  *
15  * The Original Code is 'iText, a free JAVA-PDF library'.
16  *
17  * The Initial Developer of the Original Code is Bruno Lowagie. Portions created by
18  * the Initial Developer are Copyright (C) 1999-2006 by Bruno Lowagie.
19  * All Rights Reserved.
20  * Co-Developer of the code is Paulo Soares. Portions created by the Co-Developer
21  * are Copyright (C) 2000-2006 by Paulo Soares. All Rights Reserved.
22  *
23  * Contributor(s): all the names of the contributors are added in the source code
24  * where applicable.
25  *
26  * Alternatively, the contents of this file may be used under the terms of the
27  * LGPL license (the "GNU LIBRARY GENERAL PUBLIC LICENSE"), in which case the
28  * provisions of LGPL are applicable instead of those above. If you wish to
29  * allow use of your version of this file only under the terms of the LGPL
30  * License and not to allow others to use your version of this file under
31  * the MPL, indicate your decision by deleting the provisions above and
32  * replace them with the notice and other provisions required by the LGPL.
33  * If you do not delete the provisions above, a recipient may use your version
34  * of this file under either the MPL or the GNU LIBRARY GENERAL PUBLIC LICENSE.
35  *
36  * This library is free software; you can redistribute it and/or modify it
37  * under the terms of the MPL as stated above or under the terms of the GNU
38  * Library General Public License as published by the Free Software Foundation;
39  * either version 2 of the License, or any later version.
40  *
41  * This library is distributed in the hope that it will be useful, but WITHOUT
42  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
43  * FOR A PARTICULAR PURPOSE. See the GNU Library general Public License for more
44  * details.
45  *
46  * If you didn't download this code from the following link, you should check if
47  * you aren't using an obsolete version:
48  * http://www.lowagie.com/iText/
49  */
50
51 package com.lowagie.tools;
52
53 import java.io.FileOutputStream JavaDoc;
54 import java.util.ArrayList JavaDoc;
55 import java.util.List JavaDoc;
56
57 import com.lowagie.text.Document;
58 import com.lowagie.text.pdf.PdfCopy;
59 import com.lowagie.text.pdf.PdfImportedPage;
60 import com.lowagie.text.pdf.PdfReader;
61 import com.lowagie.text.pdf.SimpleBookmark;
62
63 /**
64  * Tool that can be used to concatenate existing PDF files.
65  */
66 public class concat_pdf {
67     
68     /**
69      * This class can be used to concatenate existing PDF files.
70      * (This was an example known as PdfCopy.java)
71      * @param args the command line arguments
72      */
73     public static void main(String JavaDoc args[]) {
74         if (args.length < 2) {
75             System.err.println("arguments: file1 [file2 ...] destfile");
76         }
77         else {
78             try {
79                 int pageOffset = 0;
80                 ArrayList JavaDoc master = new ArrayList JavaDoc();
81                 int f = 0;
82                 String JavaDoc outFile = args[args.length-1];
83                 Document document = null;
84                 PdfCopy writer = null;
85                 while (f < args.length-1) {
86                     // we create a reader for a certain document
87 PdfReader reader = new PdfReader(args[f]);
88                     reader.consolidateNamedDestinations();
89                     // we retrieve the total number of pages
90 int n = reader.getNumberOfPages();
91                     List JavaDoc bookmarks = SimpleBookmark.getBookmark(reader);
92                     if (bookmarks != null) {
93                         if (pageOffset != 0)
94                             SimpleBookmark.shiftPageNumbers(bookmarks, pageOffset, null);
95                         master.addAll(bookmarks);
96                     }
97                     pageOffset += n;
98                     System.out.println("There are " + n + " pages in " + args[f]);
99                     
100                     if (f == 0) {
101                         // step 1: creation of a document-object
102 document = new Document(reader.getPageSizeWithRotation(1));
103                         // step 2: we create a writer that listens to the document
104 writer = new PdfCopy(document, new FileOutputStream JavaDoc(outFile));
105                         // step 3: we open the document
106 document.open();
107                     }
108                     // step 4: we add content
109 PdfImportedPage page;
110                     for (int i = 0; i < n; ) {
111                         ++i;
112                         page = writer.getImportedPage(reader, i);
113                         writer.addPage(page);
114                         System.out.println("Processed page " + i);
115                     }
116                     writer.freeReader(reader);
117                     f++;
118                 }
119                 if (!master.isEmpty())
120                     writer.setOutlines(master);
121                 // step 5: we close the document
122 document.close();
123             }
124             catch(Exception JavaDoc e) {
125                 e.printStackTrace();
126             }
127         }
128     }
129 }
130
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