|
1 package org.lucane.applications.jmail.base;
2
3
22
23 import java.awt.event.*;
24 import java.io.*;
25 import java.util.*;
26 import javax.mail.*;
27 import javax.swing.*;
28
29
30 final class AttachmentFrame extends JFrame
31 {
32
33 private ResourceBundle msgBundle;
34
35 private JPanel panel;
36
37 private JPopupMenu filePopup;
38 private JMenuItem openMenuItem;
39 private JMenuItem saveMenuItem;
40
41 private JList list;
42 private JScrollPane listPane;
43
44 private Vector names;
45
46
47 private Message mail;
48
49 private AttachmentListener listener;
50
51
55 protected AttachmentFrame(Message mail, ResourceBundle msgBundle)
56 {
57 super(msgBundle.getString("Attachment.frameTitle"));
58
59 this.msgBundle = msgBundle;
60
61 listener = new AttachmentListener();
62
63 this.mail = mail;
64
65 panel = new JPanel();
66
67 names = new Vector();
68 names = getFiles(mail, names);
69
70 list = new JList(names);
71 list.addMouseListener(listener);
72 listPane = new JScrollPane(list);
73 panel.add(listPane);
74
75 filePopup = new JPopupMenu();
76
77 openMenuItem = new JMenuItem(msgBundle.getString("common.open"));
78 openMenuItem.addActionListener(listener);
79 filePopup.add(openMenuItem);
80
81 saveMenuItem = new JMenuItem(msgBundle.getString("common.save"));
82 saveMenuItem.addActionListener(listener);
83 filePopup.add(saveMenuItem);
84
85 setContentPane(panel);
86 setSize(400, 200);
87 setVisible(true);
88 }
89
90
95 private Vector getFiles(Part p, Vector names)
96 {
97 try
98 {
99 if(p.isMimeType("multipart/mixed") || p.isMimeType("multipart/related") || p.isMimeType("multipart/signed") || p.isMimeType("multipart/report"))
100 {
101 Multipart mp = (Multipart)p.getContent();
102
103 for(int i = 0; i < mp.getCount(); i++)
104 names = getFiles(mp.getBodyPart(i), names);
105 }
106
107 else if(p.isMimeType("multipart/alternative"))
108 {
109 Multipart mp = (Multipart)p.getContent();
110 BodyPart bp = null;
111
112 for(int i = 0; i < mp.getCount(); i++)
113 {
114 bp = mp.getBodyPart(i);
115
116 if(bp.isMimeType("text/html"))
117 {
118 names.add("HTML version");
119 break;
120 }
121 }
122 }
123
124 else if(p.isMimeType("message/rfc822"))
125 {
126 Message m = (Message)p.getContent();
127 names = getFiles(m, names);
128 }
129
130 else
131 {
132 String  name = p.getFileName();
133
134 if(name != null)
135 {
136
137 int size = p.getSize();
138
139 String sizeString = new String ();
140
141 if(size >= 1000000)
142 sizeString = (size / 1000000) + " Mb";
143
144 else if(size >= 1000)
145 sizeString = (size / 1000) + " kb";
146
147 else
148 sizeString = size + " b";
149
150 names.add(name + " (" + sizeString + ")");
151 }
152
153 else if(p.isMimeType("text/html"))
154 names.add("HTML version");
155
156 else if(p.isMimeType("application/pgp-signature"))
157 names.add("PGP");
158 }
159 }
160
161 catch(Exception e)
162 {
163 e.printStackTrace();
164 }
165
166 return(names);
167 }
168
169
174 private Part getBodyPart(Multipart mp, String name)
175 {
176 try
177 {
178 for(int i = 0; i < mp.getCount(); i++)
179 {
180 BodyPart bp = mp.getBodyPart(i);
181
182 BodyPart result = null;
183
184 if(bp.isMimeType("multipart/mixed") || bp.isMimeType("multipart/alternative"))
185 result = (BodyPart)getBodyPart((Multipart)bp.getContent(), name);
186
187 if(result != null)
188 return(result);
189
190 if(name.compareTo("HTML version") == 0)
191 if(bp.isMimeType("text/html"))
192 return(bp);
193
194 else if(name.compareTo("PGP") == 0)
195 if(bp.isMimeType("application/pgp-signature"))
196 return(bp);
197
198 if(bp.isMimeType("message/rfc822"))
199 {
200 Message newMail = (Message)bp.getContent();
201
202 if(newMail.isMimeType("text/html"))
203 return((Part)bp.getContent());
204
205 else if(newMail.getContent() instanceof Multipart)
206 {
207 Multipart mp2 = (Multipart)newMail.getContent();
208
209 BodyPart bp2 = (BodyPart)getBodyPart(mp2, name);
210
211 if(bp2 != null)
212 return(bp2);
213 }
214 }
215
216
217 String n = bp.getFileName();
218
219 if(n != null)
220 if(name.startsWith(n))
221 return(bp);
222 }
223 }
224
225 catch(UnsupportedEncodingException encodE)
226 {
227 JOptionPane.showMessageDialog(null, encodE.getMessage(), "UnsupportedEncodingException", JOptionPane.ERROR_MESSAGE);
228 return(null);
229 }
230
231 catch(Exception e)
232 {
233 e.printStackTrace();
234 }
235
236 return(null);
237 }
238
239
240 private void view()
241 {
242 try
243 {
244 Object o = mail.getContent();
245
246 if(o instanceof Multipart)
247 {
248 int i = list.getSelectedIndex();
249
250 if(i != -1)
251 {
252 String name = (String )list.getSelectedValue();
253
254 Multipart mp = (Multipart)mail.getContent();
255
256 BodyPart bp = (BodyPart)getBodyPart(mp, name);
257
258 if(bp == null)
259 return;
260
261 String realName = bp.getFileName();
262
263 if(realName == null)
264 realName = "attach.html";
265
266 if(bp.isMimeType("image/gif") || bp.isMimeType("image/jpeg") || bp.isMimeType("image/jpg") || bp.isMimeType("image/pjpeg") || bp.isMimeType("image/x-png"))
267 {
268 File f = getIt(realName.toString(), bp);
269
270 ImageIcon img = new ImageIcon(f.getPath());
271 JLabel label = new JLabel(img);
272
273 StringBuffer buf = new StringBuffer (msgBundle.getString("AttachedFile.frameTitle"));
274 buf.append(" ").append(realName);
275
276 new AttachedFileDialog(buf.toString(), label, msgBundle);
277
278 f.delete();
279 }
280
281 else if(bp.isMimeType("text/plain"))
282 {
283 File f = getIt(realName, bp);
284
285 JTextArea area = new JTextArea(30, 35);
286 area.setEditable(false);
287
288 BufferedReader in = new BufferedReader(new FileReader(f));
289
290 String line = new String ();
291
292 while((line = in.readLine()) != null)
293 area.append(line + "\n");
294
295 in.close();
296
297 area.setCaretPosition(0);
298
299 StringBuffer buf = new StringBuffer (msgBundle.getString("AttachedFile.frameTitle"));
300 buf.append(" ").append(realName);
301
302 new AttachedFileDialog(buf.toString(), area, msgBundle);
303
304 f.delete();
305 }
306
307 else if(bp.isMimeType("text/html"))
308 {
309 JEditorPane editorPane = new JEditorPane("text/html", (String )bp.getContent());
310 editorPane.setEditable(false);
311
312 new AttachedFileDialog(realName, editorPane, msgBundle);
313 }
314
315 else
316 {
317 String type[] = bp.getHeader("Content-Type");
318
319 JOptionPane.showMessageDialog(null, msgBundle.getString("Attachment.undisplayableFilePart1Label") + " \"" + type[0] + "\" " + msgBundle.getString("Attachment.undisplayableFilePart2Label"), "Attachment", JOptionPane.ERROR_MESSAGE);
320 }
321 }
322 }
323
324 else
325 {
326 JEditorPane editorPane = new JEditorPane("text/html", (String )mail.getContent());
327 editorPane.setEditable(false);
328
329 StringBuffer buf = new StringBuffer (msgBundle.getString("AttachedFile.frameTitle"));
330 buf.append(" attach.html");
331 new AttachedFileDialog(buf.toString(), editorPane, msgBundle);
332 }
333 }
334
335 catch(Exception ex)
336 {
337 ex.printStackTrace();
338 }
339 }
340
341
342 private void save()
343 {
344 int i = list.getSelectedIndex();
345
346 if(i != -1)
347 {
348 try
349 {
350 String name = (String )list.getSelectedValue();
351
352 Part bp = null;
353 String realName = new String ();
354
355 Object o = mail.getContent();
356
357 if(o instanceof Multipart)
358 {
359 Multipart mp = (Multipart)mail.getContent();
360 bp = getBodyPart(mp, name);
361
362 if(bp == null)
363 return;
364
365 realName = bp.getFileName();
366
367 if(realName == null)
368 {
369 if(name.compareTo("HTML version") == 0)
370 realName = "attach.html";
371
372 else if(name.compareTo("PGP") == 0)
373 realName = "sign.pgp";
374 }
375 }
376
377 else
378 {
379 bp = (Part)mail;
380 realName = "attach.html";
381 }
382
383 JFileChooser fc = new JFileChooser();
384
385 String newName = new String ();
386
387 fc.setSelectedFile(new File(realName));
388
389 int val = fc.showSaveDialog(null);
390
391 if(val == JFileChooser.APPROVE_OPTION)
392 {
393 File file = fc.getSelectedFile();
394
395 if(file != null)
396 {
397 try
398 {
399 while(file.exists())
400 {
401 int choice = JOptionPane.showConfirmDialog(null, msgBundle.getString("Attachment.fileExistsLabel"), "Attachment", JOptionPane.YES_NO_OPTION, JOptionPane.QUESTION_MESSAGE);
402
403 if(choice == JOptionPane.YES_OPTION)
404 break;
405
406 val = fc.showSaveDialog(null);
407
408 if(val == JFileChooser.APPROVE_OPTION)
409 file = fc.getSelectedFile();
410
411 else
412 return;
413 }
414
415 InputStream in = bp.getInputStream();
416 FileOutputStream out = new FileOutputStream(file);
417
418 int nb;
419 byte b[];
420
421 b = new byte[256];
422 nb = in.read(b);
423
424 while(nb == 256)
425 {
426 out.write(b, 0, nb);
427 b = new byte[256];
428 nb = in.read(b);
429 }
430
431 if(nb != -1)
432 {
433 out.write(b, 0, nb);
434 }
435
436 in.close();
437 out.close();
438 }
439
440 catch(Exception ex)
441 {
442 ex.printStackTrace();
443 }
444 }
445 }
446 }
447
448 catch(Exception ex)
449 {
450 ex.printStackTrace();
451 }
452 }
453 }
454
455
460 private File getIt(String name, BodyPart bp)
461 {
462 try
463 {
464 File f = File.createTempFile(name, null);
465
466 InputStream in = bp.getInputStream();
467 FileOutputStream out = new FileOutputStream(f);
468
469 int nb;
470 byte b[];
471
472 do
473 {
474 b = new byte[256];
475 nb = in.read(b);
476 out.write(b, 0, nb);
477 } while(nb != -1 && nb == 256);
478
479 in.close();
480 out.close();
481
482 return(f);
483 }
484
485 catch(Exception e)
486 {
487 e.printStackTrace();
488 }
489
490 return(null);
491 }
492
493
494 private final class AttachmentListener extends MouseAdapter implements ActionListener
495 {
496
499 public final void mousePressed(MouseEvent e)
500 {
501 if(e.isPopupTrigger())
502 {
503 if(list.getSelectedIndex() != -1)
504 filePopup.show(e.getComponent(), e.getX(), e.getY());
505 }
506
507 else
508 {
509 int mods = e.getModifiers();
510
511 if(mods == 4)
512 {
513 if(list.getSelectedIndex() != -1)
514 filePopup.show(e.getComponent(), e.getX(), e.getY());
515
516 }
517
518
519 else if(mods == 16 && e.getClickCount() == 2)
520 {
521 if(list.getSelectedIndex() != -1)
522 view();
523 }
524 }
525 }
526
527
530 public final void actionPerformed(ActionEvent e)
531 {
532 JMenuItem m = (JMenuItem)e.getSource();
533
534 if(m == openMenuItem)
535 view();
536
537 else if(m == saveMenuItem)
538 save();
539 }
540 }
541 }
542 |
Popular Tags |
Java API By Example, From Geeks To Geeks.