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31 package org.pdfbox;
32
33 import org.pdfbox.exceptions.InvalidPasswordException;
34
35 import org.pdfbox.pdfviewer.PageWrapper;
36 import org.pdfbox.pdfviewer.ReaderBottomPanel;
37
38 import org.pdfbox.pdmodel.PDDocument;
39 import org.pdfbox.pdmodel.PDPage;
40
41 import org.pdfbox.util.ExtensionFileFilter;
42
43 import javax.swing.JFileChooser  ;
44 import javax.swing.JScrollPane ;
45 import javax.swing.JPanel ;
46
47 import java.io.File ;
48 import java.io.FileInputStream ;
49 import java.io.InputStream ;
50 import java.io.IOException ;
51 import java.util.List ;
52
53
60 public class PDFReader extends javax.swing.JFrame
61 {
62 private File currentDir=new File (".");
63
64
67 public PDFReader()
68 {
69 initComponents();
70 }
71
72
78 private void initComponents()
79 {
80 menuBar = new javax.swing.JMenuBar ();
81 fileMenu = new javax.swing.JMenu ();
82 openMenuItem = new javax.swing.JMenuItem ();
83 saveMenuItem = new javax.swing.JMenuItem ();
84 saveAsMenuItem = new javax.swing.JMenuItem ();
85 exitMenuItem = new javax.swing.JMenuItem ();
86 editMenu = new javax.swing.JMenu ();
87 cutMenuItem = new javax.swing.JMenuItem ();
88 copyMenuItem = new javax.swing.JMenuItem ();
89 pasteMenuItem = new javax.swing.JMenuItem ();
90 deleteMenuItem = new javax.swing.JMenuItem ();
91 helpMenu = new javax.swing.JMenu ();
92 contentsMenuItem = new javax.swing.JMenuItem ();
93 aboutMenuItem = new javax.swing.JMenuItem ();
94
95
96 setTitle("PDFBox - PDF Reader");
97 addWindowListener(new java.awt.event.WindowAdapter ()
98 {
99 public void windowClosing(java.awt.event.WindowEvent evt)
100 {
101 exitForm(evt);
102 }
103 });
104
105
106 JScrollPane documentScroller = new JScrollPane ();
107 documentScroller.setViewportView( documentPanel );
108
109
110 getContentPane().add( documentScroller, java.awt.BorderLayout.CENTER );
111 getContentPane().add( bottomStatusPanel, java.awt.BorderLayout.SOUTH );
112
113 fileMenu.setText("File");
114 openMenuItem.setText("Open");
115 openMenuItem.setToolTipText("Open PDF file");
116 openMenuItem.addActionListener(new java.awt.event.ActionListener ()
117 {
118 public void actionPerformed(java.awt.event.ActionEvent evt)
119 {
120 openMenuItemActionPerformed(evt);
121 }
122 });
123
124 fileMenu.add(openMenuItem);
125
126 saveMenuItem.setText("Save");
127
129 saveAsMenuItem.setText("Save As ...");
130
132 exitMenuItem.setText("Exit");
133 exitMenuItem.addActionListener(new java.awt.event.ActionListener ()
134 {
135 public void actionPerformed(java.awt.event.ActionEvent evt)
136 {
137 exitMenuItemActionPerformed(evt);
138 }
139 });
140
141 fileMenu.add(exitMenuItem);
142
143 menuBar.add(fileMenu);
144
145 editMenu.setText("Edit");
146 cutMenuItem.setText("Cut");
147 editMenu.add(cutMenuItem);
148
149 copyMenuItem.setText("Copy");
150 editMenu.add(copyMenuItem);
151
152 pasteMenuItem.setText("Paste");
153 editMenu.add(pasteMenuItem);
154
155 deleteMenuItem.setText("Delete");
156 editMenu.add(deleteMenuItem);
157
158
160 helpMenu.setText("Help");
161 contentsMenuItem.setText("Contents");
162 helpMenu.add(contentsMenuItem);
163
164 aboutMenuItem.setText("About");
165 helpMenu.add(aboutMenuItem);
166
167
169 setJMenuBar(menuBar);
170
171
172 java.awt.Dimension screenSize = java.awt.Toolkit.getDefaultToolkit().getScreenSize();
173 setBounds((screenSize.width-700)/2, (screenSize.height-600)/2, 700, 600);
174 }
176 private void openMenuItemActionPerformed(java.awt.event.ActionEvent evt)
177 {
178 JFileChooser chooser = new JFileChooser ();
179 chooser.setCurrentDirectory(currentDir);
180
181 ExtensionFileFilter pdfFilter = new ExtensionFileFilter(new String [] {"PDF"}, "PDF Files");
182 chooser.setFileFilter(pdfFilter);
183 int result = chooser.showOpenDialog(PDFReader.this);
184 if (result == JFileChooser.APPROVE_OPTION)
185 {
186 String name = chooser.getSelectedFile().getPath();
187 currentDir = new File (name).getParentFile();
188 try
189 {
190 openPDFFile(name);
191 }
192 catch (Exception e)
193 {
194 e.printStackTrace();
195 }
196 }
197 }
199 private void exitMenuItemActionPerformed(java.awt.event.ActionEvent evt)
200 {
201 System.exit(0);
202 }
203
204
207 private void exitForm(java.awt.event.WindowEvent evt)
208 {
209 System.exit(0);
210 }
211
212
217 public static void main(String [] args) throws Exception
218 {
219 PDFReader viewer = new PDFReader();
220 if( args.length >0 )
221 {
222 viewer.openPDFFile( args[0] );
223 }
224 viewer.show();
225 }
226
227 private void openPDFFile(String file) throws Exception
228 {
229 if( document != null )
230 {
231 document.close();
232 documentPanel.removeAll();
233 }
234 InputStream input = null;
235 File f = new File ( file );
236 input = new FileInputStream (f);
237 document = parseDocument( input );
238 setTitle( "PDFBox - " + f.getAbsolutePath() );
239
240 List pages = document.getDocumentCatalog().getAllPages();
241 for( int i=0; i<pages.size(); i++ )
242 {
243 PageWrapper wrapper = new PageWrapper( this );
244 wrapper.displayPage( (PDPage)pages.get(i) );
245 documentPanel.add( wrapper.getPanel() );
246 }
247 }
248
257 private static PDDocument parseDocument( InputStream input )throws IOException
258 {
259 PDDocument document = PDDocument.load( input );
260 if( document.isEncrypted() )
261 {
262 try
263 {
264 document.decrypt( "" );
265 }
266 catch( InvalidPasswordException e )
267 {
268 System.err.println( "Error: The document is encrypted." );
269 }
270 catch( org.pdfbox.exceptions.CryptographyException e )
271 {
272 e.printStackTrace();
273 }
274 }
275
276 return document;
277 }
278 private javax.swing.JMenuItem aboutMenuItem;
280 private javax.swing.JMenuItem contentsMenuItem;
281 private javax.swing.JMenuItem copyMenuItem;
282 private javax.swing.JMenuItem cutMenuItem;
283 private javax.swing.JMenuItem deleteMenuItem;
284 private javax.swing.JMenu editMenu;
285 private javax.swing.JMenuItem exitMenuItem;
286 private javax.swing.JMenu fileMenu;
287 private javax.swing.JMenu helpMenu;
288 private javax.swing.JMenuBar menuBar;
289 private javax.swing.JMenuItem openMenuItem;
290 private javax.swing.JMenuItem pasteMenuItem;
291 private javax.swing.JMenuItem saveAsMenuItem;
292 private javax.swing.JMenuItem saveMenuItem;
293 private JPanel documentPanel = new JPanel ();
294 private ReaderBottomPanel bottomStatusPanel = new ReaderBottomPanel();
295
297 private PDDocument document = null;
298
299
304 public ReaderBottomPanel getBottomStatusPanel()
305 {
306 return bottomStatusPanel;
307 }
308 } |
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