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Java > Open Source Codes > org > pdfbox > PDFMerger


1 /**
2  * Copyright (c) 2006, www.pdfbox.org
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions are met:
7  *
8  * 1. Redistributions of source code must retain the above copyright notice,
9  * this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright notice,
11  * this list of conditions and the following disclaimer in the documentation
12  * and/or other materials provided with the distribution.
13  * 3. Neither the name of pdfbox; nor the names of its
14  * contributors may be used to endorse or promote products derived from this
15  * software without specific prior written permission.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
18  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
20  * DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
21  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
22  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
23  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
24  * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
26  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27  *
28  * http://www.pdfbox.org
29  *
30  */
31 package org.pdfbox;
32
33 import org.pdfbox.util.PDFMergerUtility;
34
35 /**
36  * This is the main program that will take a list of pdf documents and merge them,
37  * saving the result in a new document.
38  *
39  * @author <a HREF="mailto:ben@benlitchfield.com">Ben Litchfield</a>
40  * @version $Revision: 1.2 $
41  */
42 public class PDFMerger
43 {
44     /**
45      * Infamous main method.
46      *
47      * @param args Command line arguments, should be at least 3.
48      *
49      * @throws Exception If there is an error parsing the document.
50      */
51     public static void main( String JavaDoc[] args ) throws Exception JavaDoc
52     {
53         PDFMerger merge = new PDFMerger();
54         merge.merge( args );
55     }
56
57     private void merge( String JavaDoc[] args ) throws Exception JavaDoc
58     {
59         String JavaDoc destinationFileName = "";
60         String JavaDoc sourceFileName = null;
61         
62         if ( args.length < 3 )
63         {
64             usage();
65         }
66
67         PDFMergerUtility merger = new PDFMergerUtility();
68         for( int i=0; i<args.length-1; i++ )
69         {
70             sourceFileName = args[i];
71             merger.addSource(sourceFileName);
72         }
73         
74         destinationFileName = args[args.length-1];
75         
76         merger.setDestinationFileName(destinationFileName);
77         
78         merger.mergeDocuments();
79     }
80
81     /**
82      * This will print the usage requirements and exit.
83      */
84     private static void usage()
85     {
86         System.err.println( "Usage: java org.pdfbox.PDFMerger <Source PDF File 2..n> <Destination PDF File>\n" +
87             " <Source PDF File 2..n> 2 or more source PDF documents to merge\n" +
88             " <Destination PDF File> The PDF document to save the merged documents to\n"
89             );
90         System.exit( 1 );
91     }
92 }
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