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package org.mule.transport.ftp; |
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import org.mule.api.MuleContext; |
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import org.mule.api.MuleEvent; |
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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.MuleRuntimeException; |
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import org.mule.api.config.ThreadingProfile; |
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import org.mule.api.construct.FlowConstruct; |
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import org.mule.api.endpoint.EndpointURI; |
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import org.mule.api.endpoint.ImmutableEndpoint; |
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import org.mule.api.endpoint.InboundEndpoint; |
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import org.mule.api.endpoint.OutboundEndpoint; |
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import org.mule.api.lifecycle.InitialisationException; |
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import org.mule.api.transport.ConnectorException; |
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import org.mule.api.transport.DispatchException; |
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import org.mule.api.transport.MessageReceiver; |
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import org.mule.config.i18n.CoreMessages; |
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import org.mule.config.i18n.MessageFactory; |
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import org.mule.model.streaming.CallbackOutputStream; |
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import org.mule.transport.AbstractConnector; |
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import org.mule.transport.ConnectException; |
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import org.mule.transport.file.ExpressionFilenameParser; |
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import org.mule.transport.file.FilenameParser; |
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import org.mule.util.ClassUtils; |
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import org.mule.util.StringUtils; |
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|
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import java.io.IOException; |
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import java.io.OutputStream; |
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import java.text.MessageFormat; |
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import java.util.ArrayList; |
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import java.util.HashMap; |
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import java.util.List; |
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import java.util.Map; |
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|
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import org.apache.commons.net.ftp.FTPClient; |
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import org.apache.commons.net.ftp.FTPFile; |
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import org.apache.commons.pool.ObjectPool; |
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import org.apache.commons.pool.impl.GenericObjectPool; |
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|
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public class FtpConnector extends AbstractConnector |
48 | |
{ |
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|
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public static final String FTP = "ftp"; |
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|
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public static final int DEFAULT_POLLING_FREQUENCY = 1000; |
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public static final String PROPERTY_OUTPUT_PATTERN = "outputPattern"; |
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public static final String PROPERTY_PASSIVE_MODE = "passive"; |
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public static final String PROPERTY_BINARY_TRANSFER = "binary"; |
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|
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|
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public static final String PROPERTY_FILENAME = "filename"; |
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|
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public static final String DEFAULT_FTP_CONNECTION_FACTORY_CLASS = "org.mule.transport.ftp.FtpConnectionFactory"; |
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|
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private long pollingFrequency; |
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|
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private String outputPattern; |
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|
75 | 0 | private FilenameParser filenameParser = new ExpressionFilenameParser(); |
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|
77 | 0 | private boolean passive = true; |
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|
79 | 0 | private boolean binary = true; |
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|
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|
82 | 0 | private boolean streaming = false; |
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|
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private Map<String, ObjectPool> pools; |
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|
86 | 0 | private String connectionFactoryClass = DEFAULT_FTP_CONNECTION_FACTORY_CLASS; |
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|
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public FtpConnector(MuleContext context) |
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{ |
90 | 0 | super(context); |
91 | 0 | } |
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|
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public String getProtocol() |
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{ |
95 | 0 | return FTP; |
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} |
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|
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@Override |
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public MessageReceiver createReceiver(FlowConstruct flowConstruct, InboundEndpoint endpoint) throws Exception |
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{ |
101 | 0 | List<?> args = getReceiverArguments(endpoint.getProperties()); |
102 | 0 | return serviceDescriptor.createMessageReceiver(this, flowConstruct, endpoint, args.toArray()); |
103 | |
} |
104 | |
|
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protected List<?> getReceiverArguments(Map endpointProperties) |
106 | |
{ |
107 | 0 | List<Object> args = new ArrayList<Object>(); |
108 | |
|
109 | 0 | long polling = getPollingFrequency(); |
110 | 0 | if (endpointProperties != null) |
111 | |
{ |
112 | |
|
113 | 0 | String tempPolling = (String) endpointProperties.get(PROPERTY_POLLING_FREQUENCY); |
114 | 0 | if (tempPolling != null) |
115 | |
{ |
116 | 0 | polling = Long.parseLong(tempPolling); |
117 | |
} |
118 | |
} |
119 | 0 | if (polling <= 0) |
120 | |
{ |
121 | 0 | polling = DEFAULT_POLLING_FREQUENCY; |
122 | |
} |
123 | 0 | logger.debug("set polling frequency to " + polling); |
124 | 0 | args.add(polling); |
125 | |
|
126 | 0 | return args; |
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} |
128 | |
|
129 | |
|
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|
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|
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public long getPollingFrequency() |
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{ |
134 | 0 | return pollingFrequency; |
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} |
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|
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|
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|
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|
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public void setPollingFrequency(long pollingFrequency) |
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{ |
142 | 0 | this.pollingFrequency = pollingFrequency; |
143 | 0 | } |
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|
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|
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|
147 | |
|
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|
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|
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public String getConnectionFactoryClass() |
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{ |
152 | 0 | return connectionFactoryClass; |
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} |
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|
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public void setConnectionFactoryClass(final String connectionFactoryClass) |
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{ |
163 | 0 | this.connectionFactoryClass = connectionFactoryClass; |
164 | 0 | } |
165 | |
|
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public FTPClient getFtp(EndpointURI uri) throws Exception |
167 | |
{ |
168 | 0 | if (logger.isDebugEnabled()) |
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{ |
170 | 0 | logger.debug(">>> retrieving client for " + uri); |
171 | |
} |
172 | 0 | return (FTPClient) getFtpPool(uri).borrowObject(); |
173 | |
} |
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|
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public void releaseFtp(EndpointURI uri, FTPClient client) throws Exception |
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{ |
177 | 0 | if (logger.isDebugEnabled()) |
178 | |
{ |
179 | 0 | logger.debug("<<< releasing client for " + uri); |
180 | |
} |
181 | 0 | if (dispatcherFactory.isCreateDispatcherPerRequest()) |
182 | |
{ |
183 | 0 | destroyFtp(uri, client); |
184 | |
} |
185 | |
else |
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{ |
187 | 0 | getFtpPool(uri).returnObject(client); |
188 | |
} |
189 | 0 | } |
190 | |
|
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public void destroyFtp(EndpointURI uri, FTPClient client) throws Exception |
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{ |
193 | 0 | if (logger.isDebugEnabled()) |
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{ |
195 | 0 | logger.debug("<<< destroying client for " + uri); |
196 | |
} |
197 | |
try |
198 | |
{ |
199 | 0 | getFtpPool(uri).invalidateObject(client); |
200 | |
} |
201 | 0 | catch (Exception e) |
202 | |
{ |
203 | |
|
204 | 0 | logger.debug(e.getMessage()); |
205 | 0 | } |
206 | 0 | } |
207 | |
|
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protected synchronized ObjectPool getFtpPool(EndpointURI uri) |
209 | |
{ |
210 | 0 | if (logger.isDebugEnabled()) |
211 | |
{ |
212 | 0 | logger.debug("=== get pool for " + uri); |
213 | |
} |
214 | 0 | String key = uri.getUser() + ":" + uri.getPassword() + "@" + uri.getHost() + ":" + uri.getPort(); |
215 | 0 | ObjectPool pool = pools.get(key); |
216 | 0 | if (pool == null) |
217 | |
{ |
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try |
219 | |
{ |
220 | 0 | FtpConnectionFactory connectionFactory = |
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(FtpConnectionFactory) ClassUtils.instanciateClass(getConnectionFactoryClass(), |
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new Object[] {uri}, getClass()); |
223 | 0 | GenericObjectPool genericPool = createPool(connectionFactory); |
224 | 0 | pools.put(key, genericPool); |
225 | 0 | pool = genericPool; |
226 | |
} |
227 | 0 | catch (Exception ex) |
228 | |
{ |
229 | 0 | throw new MuleRuntimeException( |
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MessageFactory.createStaticMessage("Hmm, couldn't instanciate FTP connection factory."), ex); |
231 | 0 | } |
232 | |
} |
233 | 0 | return pool; |
234 | |
} |
235 | |
|
236 | |
protected GenericObjectPool createPool(FtpConnectionFactory connectionFactory) |
237 | |
{ |
238 | 0 | GenericObjectPool genericPool = new GenericObjectPool(connectionFactory); |
239 | 0 | byte poolExhaustedAction = ThreadingProfile.DEFAULT_POOL_EXHAUST_ACTION; |
240 | |
|
241 | 0 | ThreadingProfile receiverThreadingProfile = this.getReceiverThreadingProfile(); |
242 | 0 | if (receiverThreadingProfile != null) |
243 | |
{ |
244 | 0 | int threadingProfilePoolExhaustedAction = receiverThreadingProfile.getPoolExhaustedAction(); |
245 | 0 | if (threadingProfilePoolExhaustedAction == ThreadingProfile.WHEN_EXHAUSTED_WAIT) |
246 | |
{ |
247 | 0 | poolExhaustedAction = GenericObjectPool.WHEN_EXHAUSTED_BLOCK; |
248 | |
} |
249 | 0 | else if (threadingProfilePoolExhaustedAction == ThreadingProfile.WHEN_EXHAUSTED_ABORT) |
250 | |
{ |
251 | 0 | poolExhaustedAction = GenericObjectPool.WHEN_EXHAUSTED_FAIL; |
252 | |
} |
253 | 0 | else if (threadingProfilePoolExhaustedAction == ThreadingProfile.WHEN_EXHAUSTED_RUN) |
254 | |
{ |
255 | 0 | poolExhaustedAction = GenericObjectPool.WHEN_EXHAUSTED_GROW; |
256 | |
} |
257 | |
} |
258 | |
|
259 | 0 | genericPool.setWhenExhaustedAction(poolExhaustedAction); |
260 | 0 | genericPool.setTestOnBorrow(isValidateConnections()); |
261 | 0 | return genericPool; |
262 | |
} |
263 | |
|
264 | |
@Override |
265 | |
protected void doInitialise() throws InitialisationException |
266 | |
{ |
267 | 0 | if (filenameParser != null) |
268 | |
{ |
269 | 0 | filenameParser.setMuleContext(muleContext); |
270 | |
} |
271 | |
|
272 | |
try |
273 | |
{ |
274 | 0 | Class<?> objectFactoryClass = ClassUtils.loadClass(this.connectionFactoryClass, getClass()); |
275 | 0 | if (!FtpConnectionFactory.class.isAssignableFrom(objectFactoryClass)) |
276 | |
{ |
277 | 0 | throw new InitialisationException(MessageFactory.createStaticMessage( |
278 | |
"FTP connectionFactoryClass is not an instance of org.mule.transport.ftp.FtpConnectionFactory"), |
279 | |
this); |
280 | |
} |
281 | |
} |
282 | 0 | catch (ClassNotFoundException e) |
283 | |
{ |
284 | 0 | throw new InitialisationException(e, this); |
285 | 0 | } |
286 | |
|
287 | 0 | pools = new HashMap<String, ObjectPool>(); |
288 | 0 | } |
289 | |
|
290 | |
@Override |
291 | |
protected void doDispose() |
292 | |
{ |
293 | |
|
294 | 0 | } |
295 | |
|
296 | |
@Override |
297 | |
protected void doConnect() throws Exception |
298 | |
{ |
299 | |
|
300 | 0 | } |
301 | |
|
302 | |
@Override |
303 | |
protected void doDisconnect() throws Exception |
304 | |
{ |
305 | |
|
306 | 0 | } |
307 | |
|
308 | |
@Override |
309 | |
protected void doStart() throws MuleException |
310 | |
{ |
311 | |
|
312 | 0 | } |
313 | |
|
314 | |
@Override |
315 | |
protected void doStop() throws MuleException |
316 | |
{ |
317 | 0 | if (logger.isDebugEnabled()) |
318 | |
{ |
319 | 0 | logger.debug("Stopping all pools"); |
320 | |
} |
321 | |
try |
322 | |
{ |
323 | 0 | for (ObjectPool pool : pools.values()) |
324 | |
{ |
325 | 0 | pool.close(); |
326 | |
} |
327 | |
} |
328 | 0 | catch (Exception e) |
329 | |
{ |
330 | 0 | throw new ConnectorException(CoreMessages.failedToStop("FTP Connector"), this, e); |
331 | |
} |
332 | |
finally |
333 | |
{ |
334 | 0 | pools.clear(); |
335 | 0 | } |
336 | 0 | } |
337 | |
|
338 | |
|
339 | |
|
340 | |
|
341 | |
public String getOutputPattern() |
342 | |
{ |
343 | 0 | return outputPattern; |
344 | |
} |
345 | |
|
346 | |
|
347 | |
|
348 | |
|
349 | |
public void setOutputPattern(String outputPattern) |
350 | |
{ |
351 | 0 | this.outputPattern = outputPattern; |
352 | 0 | } |
353 | |
|
354 | |
|
355 | |
|
356 | |
|
357 | |
public FilenameParser getFilenameParser() |
358 | |
{ |
359 | 0 | return filenameParser; |
360 | |
} |
361 | |
|
362 | |
|
363 | |
|
364 | |
|
365 | |
public void setFilenameParser(FilenameParser filenameParser) |
366 | |
{ |
367 | 0 | this.filenameParser = filenameParser; |
368 | 0 | if (filenameParser != null) |
369 | |
{ |
370 | 0 | filenameParser.setMuleContext(muleContext); |
371 | |
} |
372 | 0 | } |
373 | |
|
374 | |
|
375 | |
|
376 | |
|
377 | |
|
378 | |
|
379 | |
public boolean isPassive() |
380 | |
{ |
381 | 0 | return passive; |
382 | |
} |
383 | |
|
384 | |
|
385 | |
|
386 | |
|
387 | |
|
388 | |
|
389 | |
public void setPassive(final boolean passive) |
390 | |
{ |
391 | 0 | this.passive = passive; |
392 | 0 | } |
393 | |
|
394 | |
|
395 | |
|
396 | |
|
397 | |
|
398 | |
|
399 | |
|
400 | |
|
401 | |
public void enterActiveOrPassiveMode(FTPClient client, ImmutableEndpoint endpoint) |
402 | |
{ |
403 | |
|
404 | |
|
405 | 0 | final String passiveString = (String)endpoint.getProperty(FtpConnector.PROPERTY_PASSIVE_MODE); |
406 | 0 | if (passiveString == null) |
407 | |
{ |
408 | |
|
409 | 0 | if (isPassive()) |
410 | |
{ |
411 | 0 | if (logger.isTraceEnabled()) |
412 | |
{ |
413 | 0 | logger.trace("Entering FTP passive mode"); |
414 | |
} |
415 | 0 | client.enterLocalPassiveMode(); |
416 | |
} |
417 | |
else |
418 | |
{ |
419 | 0 | if (logger.isTraceEnabled()) |
420 | |
{ |
421 | 0 | logger.trace("Entering FTP active mode"); |
422 | |
} |
423 | 0 | client.enterLocalActiveMode(); |
424 | |
} |
425 | |
} |
426 | |
else |
427 | |
{ |
428 | |
|
429 | 0 | final boolean passiveMode = Boolean.valueOf(passiveString).booleanValue(); |
430 | 0 | if (passiveMode) |
431 | |
{ |
432 | 0 | if (logger.isTraceEnabled()) |
433 | |
{ |
434 | 0 | logger.trace("Entering FTP passive mode (endpoint override)"); |
435 | |
} |
436 | 0 | client.enterLocalPassiveMode(); |
437 | |
} |
438 | |
else |
439 | |
{ |
440 | 0 | if (logger.isTraceEnabled()) |
441 | |
{ |
442 | 0 | logger.trace("Entering FTP active mode (endpoint override)"); |
443 | |
} |
444 | 0 | client.enterLocalActiveMode(); |
445 | |
} |
446 | |
} |
447 | 0 | } |
448 | |
|
449 | |
|
450 | |
|
451 | |
|
452 | |
|
453 | |
|
454 | |
public boolean isBinary() |
455 | |
{ |
456 | 0 | return binary; |
457 | |
} |
458 | |
|
459 | |
|
460 | |
|
461 | |
|
462 | |
|
463 | |
|
464 | |
public void setBinary(final boolean binary) |
465 | |
{ |
466 | 0 | this.binary = binary; |
467 | 0 | } |
468 | |
|
469 | |
|
470 | |
|
471 | |
|
472 | |
|
473 | |
|
474 | |
|
475 | |
|
476 | |
public void setupFileType(FTPClient client, ImmutableEndpoint endpoint) throws Exception |
477 | |
{ |
478 | |
int type; |
479 | |
|
480 | |
|
481 | |
|
482 | 0 | final String binaryTransferString = (String)endpoint.getProperty(FtpConnector.PROPERTY_BINARY_TRANSFER); |
483 | 0 | if (binaryTransferString == null) |
484 | |
{ |
485 | |
|
486 | 0 | if (isBinary()) |
487 | |
{ |
488 | 0 | if (logger.isTraceEnabled()) |
489 | |
{ |
490 | 0 | logger.trace("Using FTP BINARY type"); |
491 | |
} |
492 | 0 | type = org.apache.commons.net.ftp.FTP.BINARY_FILE_TYPE; |
493 | |
} |
494 | |
else |
495 | |
{ |
496 | 0 | if (logger.isTraceEnabled()) |
497 | |
{ |
498 | 0 | logger.trace("Using FTP ASCII type"); |
499 | |
} |
500 | 0 | type = org.apache.commons.net.ftp.FTP.ASCII_FILE_TYPE; |
501 | |
} |
502 | |
} |
503 | |
else |
504 | |
{ |
505 | |
|
506 | 0 | final boolean binaryTransfer = Boolean.valueOf(binaryTransferString).booleanValue(); |
507 | 0 | if (binaryTransfer) |
508 | |
{ |
509 | 0 | if (logger.isTraceEnabled()) |
510 | |
{ |
511 | 0 | logger.trace("Using FTP BINARY type (endpoint override)"); |
512 | |
} |
513 | 0 | type = org.apache.commons.net.ftp.FTP.BINARY_FILE_TYPE; |
514 | |
} |
515 | |
else |
516 | |
{ |
517 | 0 | if (logger.isTraceEnabled()) |
518 | |
{ |
519 | 0 | logger.trace("Using FTP ASCII type (endpoint override)"); |
520 | |
} |
521 | 0 | type = org.apache.commons.net.ftp.FTP.ASCII_FILE_TYPE; |
522 | |
} |
523 | |
} |
524 | |
|
525 | 0 | client.setFileType(type); |
526 | 0 | } |
527 | |
|
528 | |
|
529 | |
|
530 | |
|
531 | |
|
532 | |
|
533 | |
|
534 | |
|
535 | |
|
536 | |
|
537 | |
@Override |
538 | |
public OutputStream getOutputStream(OutboundEndpoint endpoint, MuleEvent event) throws MuleException |
539 | |
{ |
540 | |
try |
541 | |
{ |
542 | 0 | final EndpointURI uri = endpoint.getEndpointURI(); |
543 | 0 | String filename = getFilename(endpoint, event.getMessage()); |
544 | |
|
545 | |
final FTPClient client; |
546 | |
try |
547 | |
{ |
548 | 0 | client = this.createFtpClient(endpoint); |
549 | |
} |
550 | 0 | catch (Exception e) |
551 | |
{ |
552 | 0 | throw new ConnectException(e, this); |
553 | 0 | } |
554 | |
|
555 | |
try |
556 | |
{ |
557 | 0 | OutputStream out = client.storeFileStream(filename); |
558 | 0 | if (out == null) |
559 | |
{ |
560 | 0 | throw new IOException("FTP operation failed: " + client.getReplyString()); |
561 | |
} |
562 | |
|
563 | 0 | return new CallbackOutputStream(out, |
564 | |
new CallbackOutputStream.Callback() |
565 | 0 | { |
566 | |
public void onClose() throws Exception |
567 | |
{ |
568 | |
try |
569 | |
{ |
570 | 0 | if (!client.completePendingCommand()) |
571 | |
{ |
572 | 0 | client.logout(); |
573 | 0 | client.disconnect(); |
574 | 0 | throw new IOException("FTP Stream failed to complete pending request"); |
575 | |
} |
576 | |
} |
577 | |
finally |
578 | |
{ |
579 | 0 | releaseFtp(uri, client); |
580 | 0 | } |
581 | 0 | } |
582 | |
}); |
583 | |
} |
584 | 0 | catch (Exception e) |
585 | |
{ |
586 | 0 | logger.debug("Error getting output stream: ", e); |
587 | 0 | releaseFtp(uri, client); |
588 | 0 | throw e; |
589 | |
} |
590 | |
} |
591 | 0 | catch (ConnectException ce) |
592 | |
{ |
593 | |
|
594 | 0 | throw ce; |
595 | |
} |
596 | 0 | catch (Exception e) |
597 | |
{ |
598 | 0 | throw new DispatchException(CoreMessages.streamingFailedNoStream(), event, endpoint, e); |
599 | |
} |
600 | |
} |
601 | |
|
602 | |
private String getFilename(ImmutableEndpoint endpoint, MuleMessage message) throws IOException |
603 | |
{ |
604 | 0 | String filename = message.getOutboundProperty(FtpConnector.PROPERTY_FILENAME); |
605 | 0 | String outPattern = (String) endpoint.getProperty(FtpConnector.PROPERTY_OUTPUT_PATTERN); |
606 | 0 | if (outPattern == null) |
607 | |
{ |
608 | 0 | outPattern = message.getOutboundProperty(FtpConnector.PROPERTY_OUTPUT_PATTERN, getOutputPattern()); |
609 | |
} |
610 | 0 | if (outPattern != null || filename == null) |
611 | |
{ |
612 | 0 | filename = generateFilename(message, outPattern); |
613 | |
} |
614 | 0 | if (filename == null) |
615 | |
{ |
616 | 0 | throw new IOException("Filename is null"); |
617 | |
} |
618 | 0 | return filename; |
619 | |
} |
620 | |
|
621 | |
private String generateFilename(MuleMessage message, String pattern) |
622 | |
{ |
623 | 0 | if (pattern == null) |
624 | |
{ |
625 | 0 | pattern = getOutputPattern(); |
626 | |
} |
627 | 0 | return getFilenameParser().getFilename(message, pattern); |
628 | |
} |
629 | |
|
630 | |
|
631 | |
|
632 | |
|
633 | |
|
634 | |
protected FTPClient createFtpClient(ImmutableEndpoint endpoint) throws Exception |
635 | |
{ |
636 | 0 | EndpointURI uri = endpoint.getEndpointURI(); |
637 | 0 | FTPClient client = this.getFtp(uri); |
638 | |
|
639 | 0 | this.enterActiveOrPassiveMode(client, endpoint); |
640 | 0 | this.setupFileType(client, endpoint); |
641 | |
|
642 | 0 | String path = uri.getPath(); |
643 | |
|
644 | |
|
645 | 0 | if (StringUtils.isNotBlank(path)) |
646 | |
{ |
647 | |
|
648 | |
|
649 | 0 | if ((path.length() >= 2) && (path.charAt(1) == '~')) |
650 | |
{ |
651 | 0 | path = path.substring(1); |
652 | |
} |
653 | |
|
654 | 0 | if (!client.changeWorkingDirectory(path)) |
655 | |
{ |
656 | 0 | throw new IOException(MessageFormat.format("Failed to change working directory to {0}. Ftp error: {1}", |
657 | |
path, client.getReplyCode())); |
658 | |
} |
659 | |
} |
660 | 0 | return client; |
661 | |
} |
662 | |
|
663 | |
|
664 | |
|
665 | |
|
666 | |
protected boolean validateFile(FTPFile file) |
667 | |
{ |
668 | 0 | return true; |
669 | |
} |
670 | |
|
671 | |
public boolean isStreaming() |
672 | |
{ |
673 | 0 | return streaming; |
674 | |
} |
675 | |
|
676 | |
public void setStreaming(boolean streaming) |
677 | |
{ |
678 | 0 | this.streaming = streaming; |
679 | 0 | } |
680 | |
|
681 | |
} |