1 | |
|
2 | |
|
3 | |
|
4 | |
|
5 | |
|
6 | |
|
7 | |
|
8 | |
|
9 | |
|
10 | |
|
11 | |
package org.mule.transport.email; |
12 | |
|
13 | |
import org.mule.api.MuleException; |
14 | |
import org.mule.api.MuleMessage; |
15 | |
import org.mule.api.construct.FlowConstruct; |
16 | |
import org.mule.api.endpoint.InboundEndpoint; |
17 | |
import org.mule.api.lifecycle.CreateException; |
18 | |
import org.mule.api.transport.Connector; |
19 | |
import org.mule.api.transport.ReceiveException; |
20 | |
import org.mule.transport.AbstractPollingMessageReceiver; |
21 | |
import org.mule.transport.email.i18n.EmailMessages; |
22 | |
import org.mule.util.FileUtils; |
23 | |
import org.mule.util.StringUtils; |
24 | |
import org.mule.util.UUID; |
25 | |
|
26 | |
import java.io.File; |
27 | |
import java.io.FileOutputStream; |
28 | |
import java.io.IOException; |
29 | |
|
30 | |
import javax.mail.Address; |
31 | |
import javax.mail.Flags; |
32 | |
import javax.mail.Folder; |
33 | |
import javax.mail.Message; |
34 | |
import javax.mail.MessagingException; |
35 | |
import javax.mail.Store; |
36 | |
import javax.mail.event.MessageCountEvent; |
37 | |
import javax.mail.event.MessageCountListener; |
38 | |
import javax.mail.internet.InternetAddress; |
39 | |
import javax.mail.internet.MimeMessage; |
40 | |
|
41 | |
|
42 | |
|
43 | |
|
44 | |
|
45 | |
|
46 | |
|
47 | |
|
48 | |
public class RetrieveMessageReceiver extends AbstractPollingMessageReceiver implements MessageCountListener |
49 | |
{ |
50 | 0 | private Folder folder = null; |
51 | 0 | private Folder moveToFolder = null; |
52 | |
private boolean backupEnabled; |
53 | 0 | private String backupFolder = null; |
54 | |
|
55 | |
public RetrieveMessageReceiver(Connector connector, |
56 | |
FlowConstruct flowConstruct, |
57 | |
InboundEndpoint endpoint, |
58 | |
long checkFrequency, |
59 | |
boolean backupEnabled, |
60 | |
String backupFolder) throws CreateException |
61 | |
{ |
62 | 0 | super(connector, flowConstruct, endpoint); |
63 | 0 | this.backupFolder = backupFolder; |
64 | 0 | this.backupEnabled = backupEnabled; |
65 | 0 | this.setFrequency(checkFrequency); |
66 | 0 | } |
67 | |
|
68 | |
private AbstractRetrieveMailConnector castConnector() |
69 | |
{ |
70 | 0 | return (AbstractRetrieveMailConnector) getConnector(); |
71 | |
} |
72 | |
|
73 | |
@Override |
74 | |
protected void doConnect() throws Exception |
75 | |
{ |
76 | 0 | SessionDetails session = castConnector().getSessionDetails(endpoint); |
77 | |
|
78 | 0 | Store store = session.newStore(); |
79 | 0 | store.connect(); |
80 | 0 | folder = store.getFolder(castConnector().getMailboxFolder()); |
81 | 0 | if (castConnector().getMoveToFolder() != null) |
82 | |
{ |
83 | 0 | moveToFolder = store.getFolder(castConnector().getMoveToFolder()); |
84 | 0 | moveToFolder.open(Folder.READ_WRITE); |
85 | |
} |
86 | |
|
87 | |
|
88 | 0 | if (StringUtils.isEmpty(backupFolder)) |
89 | |
{ |
90 | 0 | this.backupFolder = connector.getMuleContext().getConfiguration().getWorkingDirectory() |
91 | |
+ "/mail/" + folder.getName(); |
92 | |
} |
93 | |
|
94 | 0 | if (backupFolder != null && !this.backupFolder.endsWith(File.separator)) |
95 | |
{ |
96 | 0 | this.backupFolder += File.separator; |
97 | |
} |
98 | 0 | } |
99 | |
|
100 | |
@Override |
101 | |
protected void doDisconnect() throws Exception |
102 | |
{ |
103 | |
|
104 | 0 | } |
105 | |
|
106 | |
@Override |
107 | |
protected void doStop() |
108 | |
{ |
109 | 0 | if (folder != null) |
110 | |
{ |
111 | 0 | folder.removeMessageCountListener(this); |
112 | |
} |
113 | 0 | } |
114 | |
|
115 | |
@Override |
116 | |
protected void doStart() throws MuleException |
117 | |
{ |
118 | 0 | super.doStart(); |
119 | 0 | folder.addMessageCountListener(this); |
120 | 0 | } |
121 | |
|
122 | |
public void messagesAdded(MessageCountEvent event) |
123 | |
{ |
124 | 0 | Message messages[] = event.getMessages(); |
125 | 0 | if (messages != null) |
126 | |
{ |
127 | 0 | MuleMessage message = null; |
128 | 0 | for (int i = 0; i < messages.length; i++) |
129 | |
{ |
130 | |
try |
131 | |
{ |
132 | 0 | if (!messages[i].getFlags().contains(Flags.Flag.DELETED) |
133 | |
&& !messages[i].getFlags().contains(Flags.Flag.SEEN)) |
134 | |
{ |
135 | 0 | MimeMessage mimeMessage = new MimeMessage((MimeMessage) messages[i]); |
136 | 0 | storeMessage(mimeMessage); |
137 | 0 | message = createMuleMessage(mimeMessage, endpoint.getEncoding()); |
138 | |
|
139 | 0 | if (castConnector().isDeleteReadMessages()) |
140 | |
{ |
141 | |
|
142 | 0 | messages[i].setFlag(Flags.Flag.DELETED, true); |
143 | |
} |
144 | |
else |
145 | |
{ |
146 | 0 | if (this.getEndpoint().getFilter().accept(message)) |
147 | |
{ |
148 | 0 | Flags.Flag flag = castConnector().getDefaultProcessMessageAction(); |
149 | 0 | if (flag != null) |
150 | |
{ |
151 | 0 | messages[i].setFlag(flag, true); |
152 | |
} |
153 | 0 | } |
154 | |
else |
155 | |
{ |
156 | 0 | messages[i].setFlag(Flags.Flag.SEEN, false); |
157 | |
} |
158 | |
} |
159 | 0 | routeMessage(message); |
160 | |
} |
161 | |
} |
162 | 0 | catch (MuleException e) |
163 | |
{ |
164 | 0 | getConnector().getMuleContext().getExceptionListener().handleException(e); |
165 | |
} |
166 | 0 | catch (Exception e) |
167 | |
{ |
168 | |
Exception forwarded; |
169 | |
|
170 | 0 | if (message != null) |
171 | |
{ |
172 | 0 | forwarded = new org.mule.api.MessagingException(EmailMessages.routingError(), message, e); |
173 | |
} |
174 | |
else |
175 | |
{ |
176 | 0 | forwarded = new ReceiveException(endpoint, -1, e); |
177 | |
} |
178 | |
|
179 | 0 | getConnector().getMuleContext().getExceptionListener().handleException(forwarded); |
180 | 0 | } |
181 | |
} |
182 | |
|
183 | 0 | if (moveToFolder != null) |
184 | |
{ |
185 | |
try |
186 | |
{ |
187 | 0 | folder.copyMessages(messages, moveToFolder); |
188 | |
} |
189 | 0 | catch (MessagingException e) |
190 | |
{ |
191 | 0 | getConnector().getMuleContext().getExceptionListener().handleException(e); |
192 | 0 | } |
193 | |
} |
194 | |
} |
195 | 0 | } |
196 | |
|
197 | |
public void messagesRemoved(MessageCountEvent event) |
198 | |
{ |
199 | 0 | if (logger.isDebugEnabled()) |
200 | |
{ |
201 | 0 | Message messages[] = event.getMessages(); |
202 | 0 | for (int i = 0; i < messages.length; i++) |
203 | |
{ |
204 | |
try |
205 | |
{ |
206 | 0 | logger.debug("Message removed: " + messages[i].getSubject()); |
207 | |
} |
208 | 0 | catch (MessagingException ignore) |
209 | |
{ |
210 | 0 | logger.debug("ignoring exception: " + ignore.getMessage()); |
211 | 0 | } |
212 | |
} |
213 | |
} |
214 | 0 | } |
215 | |
|
216 | |
|
217 | |
public Folder getFolder() |
218 | |
{ |
219 | 0 | return folder; |
220 | |
} |
221 | |
|
222 | |
|
223 | |
public synchronized void setFolder(Folder folder) |
224 | |
{ |
225 | 0 | if (folder == null) |
226 | |
{ |
227 | 0 | throw new IllegalArgumentException("Mail folder cannot be null"); |
228 | |
} |
229 | 0 | this.folder = folder; |
230 | 0 | synchronized (this.folder) |
231 | |
{ |
232 | 0 | if (!this.folder.isOpen()) |
233 | |
{ |
234 | |
try |
235 | |
{ |
236 | 0 | this.folder.open(Folder.READ_WRITE); |
237 | |
} |
238 | 0 | catch (MessagingException e) |
239 | |
{ |
240 | 0 | logger.warn("Failed to open folder: " + folder.getFullName(), e); |
241 | 0 | } |
242 | |
} |
243 | 0 | } |
244 | 0 | } |
245 | |
|
246 | |
|
247 | |
|
248 | |
|
249 | |
|
250 | |
|
251 | |
|
252 | |
|
253 | |
|
254 | |
|
255 | |
|
256 | |
protected void storeMessage(Message msg) throws IOException, MessagingException |
257 | |
{ |
258 | 0 | if (backupEnabled) |
259 | |
{ |
260 | 0 | String filename = msg.getFileName(); |
261 | 0 | if (filename == null) |
262 | |
{ |
263 | 0 | Address[] from = msg.getFrom(); |
264 | 0 | if (from != null && from.length > 0) |
265 | |
{ |
266 | 0 | filename = from[0] instanceof InternetAddress |
267 | |
? ((InternetAddress) from[0]).getAddress() |
268 | |
: from[0].toString(); |
269 | |
} |
270 | |
else |
271 | |
{ |
272 | 0 | filename = "(no from address)"; |
273 | |
} |
274 | 0 | filename += "[" + UUID.getUUID() + "]"; |
275 | |
} |
276 | 0 | filename = FileUtils.prepareWinFilename(filename); |
277 | 0 | filename = backupFolder + filename + ".msg"; |
278 | 0 | if (logger.isDebugEnabled()) |
279 | |
{ |
280 | 0 | logger.debug("Writing message to: " + filename); |
281 | |
} |
282 | 0 | File f = FileUtils.createFile(filename); |
283 | 0 | FileOutputStream fos = new FileOutputStream(f); |
284 | 0 | msg.writeTo(fos); |
285 | |
} |
286 | 0 | } |
287 | |
|
288 | |
@Override |
289 | |
public synchronized void poll() |
290 | |
{ |
291 | |
try |
292 | |
{ |
293 | |
try |
294 | |
{ |
295 | 0 | if (!folder.isOpen()) |
296 | |
{ |
297 | 0 | folder.open(Folder.READ_WRITE); |
298 | |
} |
299 | |
} |
300 | 0 | catch (Exception e) |
301 | |
{ |
302 | 0 | if (logger.isDebugEnabled()) |
303 | |
{ |
304 | 0 | logger.debug("ignoring exception: " + e.getMessage()); |
305 | |
} |
306 | 0 | } |
307 | |
|
308 | 0 | int count = folder.getMessageCount(); |
309 | 0 | if (count > 0) |
310 | |
{ |
311 | 0 | Message[] messages = folder.getMessages(); |
312 | 0 | MessageCountEvent event = new MessageCountEvent(folder, MessageCountEvent.ADDED, true, |
313 | |
messages); |
314 | 0 | messagesAdded(event); |
315 | 0 | } |
316 | 0 | else if (count == -1) |
317 | |
{ |
318 | 0 | throw new MessagingException("Cannot monitor folder: " + folder.getFullName() |
319 | |
+ " as folder is closed"); |
320 | |
} |
321 | |
} |
322 | 0 | catch (MessagingException e) |
323 | |
{ |
324 | 0 | getConnector().getMuleContext().getExceptionListener().handleException(e); |
325 | |
} |
326 | |
finally |
327 | |
{ |
328 | 0 | try |
329 | |
{ |
330 | 0 | folder.close(true); |
331 | |
} |
332 | 0 | catch (Exception e) |
333 | |
{ |
334 | 0 | logger.error("Failed to close pop3 inbox: " + e.getMessage()); |
335 | 0 | } |
336 | 0 | } |
337 | 0 | } |
338 | |
|
339 | |
@Override |
340 | |
protected void doDispose() |
341 | |
{ |
342 | 0 | if (null != folder) |
343 | |
{ |
344 | 0 | folder.removeMessageCountListener(this); |
345 | 0 | if (folder.isOpen()) |
346 | |
{ |
347 | |
try |
348 | |
{ |
349 | |
|
350 | 0 | folder.close(true); |
351 | |
} |
352 | 0 | catch (Exception e) |
353 | |
{ |
354 | 0 | logger.debug("ignoring exception: " + e.getMessage(), e); |
355 | 0 | } |
356 | |
} |
357 | |
} |
358 | 0 | } |
359 | |
|
360 | |
@Override |
361 | |
protected MuleMessage handleUnacceptedFilter(MuleMessage message) |
362 | |
{ |
363 | 0 | super.handleUnacceptedFilter(message); |
364 | 0 | if (message.getPayload() instanceof Message) |
365 | |
{ |
366 | 0 | Message msg = (Message) message.getPayload(); |
367 | |
try |
368 | |
{ |
369 | 0 | msg.setFlag(Flags.Flag.DELETED, endpoint.isDeleteUnacceptedMessages()); |
370 | |
} |
371 | 0 | catch (MessagingException e) |
372 | |
{ |
373 | 0 | logger.error("failed to set message deleted: " + e.getMessage(), e); |
374 | 0 | } |
375 | |
} |
376 | 0 | return message; |
377 | |
} |
378 | |
} |