01: /**
02: * Copyright (c) 2005, www.pdfbox.org
03: * All rights reserved.
04: *
05: * Redistribution and use in source and binary forms, with or without
06: * modification, are permitted provided that the following conditions are met:
07: *
08: * 1. Redistributions of source code must retain the above copyright notice,
09: * 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: */package org.pdfbox.examples.pdmodel;
31:
32: import org.pdfbox.pdmodel.PDDocument;
33:
34: import java.io.IOException;
35:
36: /**
37: * This is an example on how to remove pages from a PDF document.
38: *
39: * @author <a href="mailto:ben@benlitchfield.com">Ben Litchfield</a>
40: * @version $Revision: 1.5 $
41: */
42: public class RemoveFirstPage {
43: private RemoveFirstPage() {
44: //utility class, should not be instantiated.
45: }
46:
47: /**
48: * This will print the documents data.
49: *
50: * @param args The command line arguments.
51: *
52: * @throws Exception If there is an error parsing the document.
53: */
54: public static void main(String[] args) throws Exception {
55: if (args.length != 2) {
56: usage();
57: } else {
58: PDDocument document = null;
59: try {
60: document = PDDocument.load(args[0]);
61: if (document.isEncrypted()) {
62: throw new IOException(
63: "Encrypted documents are not supported for this example");
64: }
65: if (document.getNumberOfPages() <= 1) {
66: throw new IOException(
67: "Error: A PDF document must have at least one page, "
68: + "cannot remove the last page!");
69: }
70: document.removePage(0);
71: document.save(args[1]);
72: } finally {
73: if (document != null) {
74: document.close();
75: }
76: }
77: }
78: }
79:
80: /**
81: * This will print the usage for this document.
82: */
83: private static void usage() {
84: System.err
85: .println("Usage: java org.pdfbox.examples.pdmodel.RemoveFirstPage <input-pdf> <output-pdf>");
86: }
87: }
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