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package org.mule.transport.email; |
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|
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import org.mule.DefaultMuleMessage; |
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import org.mule.MuleServer; |
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import org.mule.api.MuleException; |
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import org.mule.api.MuleMessage; |
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import org.mule.api.endpoint.InboundEndpoint; |
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import org.mule.api.lifecycle.CreateException; |
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import org.mule.api.lifecycle.Startable; |
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import org.mule.api.lifecycle.Stoppable; |
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import org.mule.api.routing.RoutingException; |
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import org.mule.api.service.Service; |
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import org.mule.api.transport.Connector; |
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import org.mule.api.transport.ReceiveException; |
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import org.mule.transport.AbstractPollingMessageReceiver; |
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import org.mule.transport.email.i18n.EmailMessages; |
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import org.mule.util.FileUtils; |
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import org.mule.util.StringUtils; |
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import org.mule.util.UUID; |
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|
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import java.io.File; |
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import java.io.FileOutputStream; |
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import java.io.IOException; |
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|
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import javax.mail.Address; |
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import javax.mail.Flags; |
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import javax.mail.Folder; |
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import javax.mail.Message; |
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import javax.mail.MessagingException; |
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import javax.mail.Store; |
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import javax.mail.event.MessageCountEvent; |
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import javax.mail.event.MessageCountListener; |
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import javax.mail.internet.InternetAddress; |
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import javax.mail.internet.MimeMessage; |
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|
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public class RetrieveMessageReceiver extends AbstractPollingMessageReceiver |
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implements MessageCountListener, Startable, Stoppable |
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{ |
55 | 42 | private Folder folder = null; |
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private boolean backupEnabled; |
57 | 42 | private String backupFolder = null; |
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|
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public RetrieveMessageReceiver(Connector connector, |
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Service service, |
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InboundEndpoint endpoint, |
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long checkFrequency, |
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boolean backupEnabled, |
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String backupFolder) |
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throws CreateException |
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{ |
67 | 42 | super(connector, service, endpoint); |
68 | 42 | this.backupFolder = backupFolder; |
69 | 42 | this.backupEnabled = backupEnabled; |
70 | 42 | this.setFrequency(checkFrequency); |
71 | 42 | } |
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|
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private AbstractRetrieveMailConnector castConnector() |
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{ |
75 | 120 | return (AbstractRetrieveMailConnector) getConnector(); |
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} |
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|
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protected void doConnect() throws Exception |
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{ |
80 | 30 | SessionDetails session = castConnector().getSessionDetails(endpoint); |
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|
82 | 30 | Store store = session.newStore(); |
83 | 30 | store.connect(); |
84 | 30 | folder = store.getFolder(castConnector().getMailboxFolder()); |
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|
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|
87 | 30 | if (StringUtils.isEmpty(backupFolder)) |
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{ |
89 | 30 | this.backupFolder = |
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MuleServer.getMuleContext().getConfiguration().getWorkingDirectory() + "/mail/" + folder.getName(); |
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} |
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|
93 | 30 | if (backupFolder != null && !this.backupFolder.endsWith(File.separator)) |
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{ |
95 | 30 | this.backupFolder += File.separator; |
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} |
97 | 30 | } |
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|
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protected void doDisconnect() throws Exception |
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{ |
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|
102 | 30 | } |
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|
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protected void doStop() |
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{ |
106 | 30 | if (folder != null) |
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{ |
108 | 30 | folder.removeMessageCountListener(this); |
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} |
110 | 30 | } |
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|
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protected void doStart() throws MuleException |
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{ |
114 | 30 | super.doStart(); |
115 | 30 | folder.addMessageCountListener(this); |
116 | 30 | } |
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|
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public void messagesAdded(MessageCountEvent event) |
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{ |
120 | 30 | Message messages[] = event.getMessages(); |
121 | 30 | if (messages != null) |
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{ |
123 | 30 | MuleMessage message = null; |
124 | 60 | for (int i = 0; i < messages.length; i++) |
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{ |
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try |
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{ |
128 | 30 | if (!messages[i].getFlags().contains(Flags.Flag.DELETED)) |
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{ |
130 | 30 | MimeMessage mimeMessage = new MimeMessage((MimeMessage) messages[i]); |
131 | 30 | storeMessage(mimeMessage); |
132 | 30 | message = new DefaultMuleMessage(castConnector().getMessageAdapter(mimeMessage)); |
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|
134 | 30 | if (castConnector().isDeleteReadMessages()) |
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{ |
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|
137 | 30 | messages[i].setFlag(Flags.Flag.DELETED, true); |
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} |
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else |
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{ |
141 | 0 | messages[i].setFlag(Flags.Flag.SEEN, true); |
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} |
143 | 30 | routeMessage(message, endpoint.isSynchronous()); |
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} |
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} |
146 | 0 | catch (MuleException e) |
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{ |
148 | 0 | handleException(e); |
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} |
150 | 0 | catch (Exception e) |
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{ |
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Exception forwarded; |
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|
154 | 0 | if (message != null) |
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{ |
156 | 0 | forwarded = new RoutingException(EmailMessages.routingError(), message, endpoint, e); |
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} |
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else |
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{ |
160 | 0 | forwarded = new ReceiveException(endpoint, -1, e); |
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} |
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|
163 | 0 | handleException(forwarded); |
164 | 30 | } |
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} |
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} |
167 | 30 | } |
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|
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|
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protected MuleMessage handleUnacceptedFilter(MuleMessage message) |
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{ |
172 | 0 | super.handleUnacceptedFilter(message); |
173 | 0 | if (message.getPayload() instanceof Message) |
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{ |
175 | 0 | Message msg = (Message) message.getPayload(); |
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try |
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{ |
178 | 0 | msg.setFlag(Flags.Flag.DELETED, endpoint.isDeleteUnacceptedMessages()); |
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} |
180 | 0 | catch (MessagingException e) |
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{ |
182 | 0 | logger.error("failed to set message deleted: " + e.getMessage(), e); |
183 | 0 | } |
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} |
185 | 0 | return message; |
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} |
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|
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public void messagesRemoved(MessageCountEvent event) |
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{ |
190 | 0 | if (logger.isDebugEnabled()) |
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{ |
192 | 0 | Message messages[] = event.getMessages(); |
193 | 0 | for (int i = 0; i < messages.length; i++) |
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{ |
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try |
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{ |
197 | 0 | logger.debug("Message removed: " + messages[i].getSubject()); |
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} |
199 | 0 | catch (MessagingException ignore) |
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{ |
201 | 0 | logger.debug("ignoring exception: " + ignore.getMessage()); |
202 | 0 | } |
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} |
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} |
205 | 0 | } |
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|
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|
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public Folder getFolder() |
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{ |
210 | 0 | return folder; |
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} |
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|
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|
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public synchronized void setFolder(Folder folder) |
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{ |
216 | 0 | if (folder == null) |
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{ |
218 | 0 | throw new IllegalArgumentException("Mail folder cannot be null"); |
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} |
220 | 0 | this.folder = folder; |
221 | 0 | synchronized (this.folder) |
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{ |
223 | 0 | if (!this.folder.isOpen()) |
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{ |
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try |
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{ |
227 | 0 | this.folder.open(Folder.READ_WRITE); |
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} |
229 | 0 | catch (MessagingException e) |
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{ |
231 | 0 | logger.warn("Failed to open folder: " + folder.getFullName(), e); |
232 | 0 | } |
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} |
234 | 0 | } |
235 | 0 | } |
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|
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|
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|
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|
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protected void storeMessage(Message msg) throws IOException, MessagingException |
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{ |
247 | 30 | if (backupEnabled) |
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{ |
249 | 2 | String filename = msg.getFileName(); |
250 | 2 | if (filename == null) |
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{ |
252 | 2 | Address[] from = msg.getFrom(); |
253 | 2 | if (from != null && from.length > 0) |
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{ |
255 | 0 | filename = from[0] instanceof InternetAddress |
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? ((InternetAddress) from[0]).getAddress() |
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: from[0].toString(); |
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} |
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else |
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{ |
261 | 2 | filename = "(no from address)"; |
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} |
263 | 2 | filename += "[" + UUID.getUUID() + "]"; |
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} |
265 | 2 | filename = FileUtils.prepareWinFilename(filename); |
266 | 2 | filename = backupFolder + filename + ".msg"; |
267 | 2 | if (logger.isDebugEnabled()) |
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{ |
269 | 0 | logger.debug("Writing message to: " + filename); |
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} |
271 | 2 | File f = FileUtils.createFile(filename); |
272 | 2 | FileOutputStream fos = new FileOutputStream(f); |
273 | 2 | msg.writeTo(fos); |
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} |
275 | 30 | } |
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|
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public synchronized void poll() |
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{ |
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try |
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{ |
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try |
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{ |
283 | 30 | if (!folder.isOpen()) |
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{ |
285 | 30 | folder.open(Folder.READ_WRITE); |
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} |
287 | |
} |
288 | 0 | catch (Exception e) |
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{ |
290 | 0 | if (logger.isDebugEnabled()) |
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{ |
292 | 0 | logger.debug("ignoring exception: " + e.getMessage()); |
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} |
294 | 30 | } |
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|
296 | 30 | int count = folder.getMessageCount(); |
297 | 30 | if (count > 0) |
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{ |
299 | 30 | Message[] messages = folder.getMessages(); |
300 | 30 | MessageCountEvent event = new MessageCountEvent(folder, MessageCountEvent.ADDED, true, |
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messages); |
302 | 30 | messagesAdded(event); |
303 | 30 | } |
304 | 0 | else if (count == -1) |
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{ |
306 | 0 | throw new MessagingException("Cannot monitor folder: " + folder.getFullName() |
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+ " as folder is closed"); |
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} |
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} |
310 | 0 | catch (MessagingException e) |
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{ |
312 | 0 | handleException(e); |
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} |
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finally |
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{ |
316 | 0 | try |
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{ |
318 | 30 | folder.close(true); |
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} |
320 | 2 | catch (Exception e) |
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{ |
322 | 2 | logger.error("Failed to close pop3 inbox: " + e.getMessage()); |
323 | 28 | } |
324 | 2 | } |
325 | 30 | } |
326 | |
|
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protected void doDispose() |
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{ |
329 | 72 | if (null != folder) |
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{ |
331 | 48 | folder.removeMessageCountListener(this); |
332 | 48 | if (folder.isOpen()) |
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{ |
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try |
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{ |
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|
337 | 0 | folder.close(true); |
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} |
339 | 0 | catch (Exception e) |
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{ |
341 | 0 | logger.debug("ignoring exception: " + e.getMessage(), e); |
342 | 0 | } |
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} |
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} |
345 | 72 | } |
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|
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} |