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Java > Open Source Codes > org > pdfbox > examples > pdmodel > HelloWorld


1 /**
2  * Copyright (c) 2004, 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.examples.pdmodel;
32
33 import java.io.IOException JavaDoc;
34
35 import org.pdfbox.exceptions.COSVisitorException;
36
37 import org.pdfbox.pdmodel.PDDocument;
38 import org.pdfbox.pdmodel.PDPage;
39
40 import org.pdfbox.pdmodel.edit.PDPageContentStream;
41
42 import org.pdfbox.pdmodel.font.PDFont;
43 import org.pdfbox.pdmodel.font.PDType1Font;
44
45
46 /**
47  * This is an example that creates a simple document.
48  *
49  * The example is taken from the pdf file format specification.
50  *
51  * @author <a HREF="mailto:ben@benlitchfield.com">Ben Litchfield</a>
52  * @version $Revision: 1.6 $
53  */
54 public class HelloWorld
55 {
56     /**
57      * Constructor.
58      */
59     public HelloWorld()
60     {
61         super();
62     }
63
64     /**
65      * create the second sample document from the PDF file format specification.
66      *
67      * @param file The file to write the PDF to.
68      * @param message The message to write in the file.
69      *
70      * @throws IOException If there is an error writing the data.
71      * @throws COSVisitorException If there is an error writing the PDF.
72      */
73     public void doIt( String JavaDoc file, String JavaDoc message) throws IOException JavaDoc, COSVisitorException
74     {
75         // the document
76 PDDocument doc = null;
77         try
78         {
79             doc = new PDDocument();
80             
81             PDPage page = new PDPage();
82             doc.addPage( page );
83             PDFont font = PDType1Font.HELVETICA_BOLD;
84             
85             PDPageContentStream contentStream = new PDPageContentStream(doc, page);
86             contentStream.beginText();
87             contentStream.setFont( font, 12 );
88             contentStream.moveTextPositionByAmount( 100, 700 );
89             contentStream.drawString( message );
90             contentStream.endText();
91             contentStream.close();
92             doc.save( file );
93         }
94         finally
95         {
96             if( doc != null )
97             {
98                 doc.close();
99             }
100         }
101     }
102
103     /**
104      * This will create a hello world PDF document.
105      * <br />
106      * see usage() for commandline
107      *
108      * @param args Command line arguments.
109      */
110     public static void main(String JavaDoc[] args)
111     {
112         HelloWorld app = new HelloWorld();
113         try
114         {
115             if( args.length != 2 )
116             {
117                 app.usage();
118             }
119             else
120             {
121                 app.doIt( args[0], args[1] );
122             }
123         }
124         catch (Exception JavaDoc e)
125         {
126             e.printStackTrace();
127         }
128     }
129
130     /**
131      * This will print out a message telling how to use this example.
132      */
133     private void usage()
134     {
135         System.err.println( "usage: " + this.getClass().getName() + " <output-file> <Message>" );
136     }
137 }
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