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package org.mule.transport.sftp; |
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import org.mule.api.MuleEvent; |
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import org.mule.api.MuleMessage; |
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import org.mule.api.endpoint.OutboundEndpoint; |
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import org.mule.transport.AbstractMessageDispatcher; |
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import org.mule.transport.sftp.notification.SftpNotifier; |
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import java.io.ByteArrayInputStream; |
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import java.io.InputStream; |
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public class SftpMessageDispatcher extends AbstractMessageDispatcher |
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{ |
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private SftpConnector connector; |
28 | 0 | private SftpUtil sftpUtil = null; |
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public SftpMessageDispatcher(OutboundEndpoint endpoint) |
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{ |
32 | 0 | super(endpoint); |
33 | 0 | connector = (SftpConnector) endpoint.getConnector(); |
34 | 0 | sftpUtil = new SftpUtil(endpoint); |
35 | 0 | } |
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protected void doDisconnect() throws Exception |
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{ |
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65 | 0 | } |
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protected void doDispose() |
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{ |
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75 | 0 | } |
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protected void doDispatch(MuleEvent event) throws Exception |
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{ |
79 | 0 | Object data = event.getMessage().getPayload(); |
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82 | 0 | String filename = (String) event.getMessage().findPropertyInAnyScope(SftpConnector.PROPERTY_FILENAME, |
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null); |
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88 | 0 | if (filename == null) |
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{ |
90 | 0 | MuleMessage message = event.getMessage(); |
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92 | 0 | String outPattern = (String) endpoint.getProperty(SftpConnector.PROPERTY_OUTPUT_PATTERN); |
93 | 0 | if (outPattern == null) |
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{ |
95 | 0 | outPattern = (String) message.getProperty(SftpConnector.PROPERTY_OUTPUT_PATTERN, |
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connector.getOutputPattern()); |
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} |
98 | 0 | filename = generateFilename(message, outPattern); |
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} |
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byte[] buf; |
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InputStream inputStream; |
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106 | 0 | if (data instanceof byte[]) |
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{ |
108 | 0 | buf = (byte[]) data; |
109 | 0 | inputStream = new ByteArrayInputStream(buf); |
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} |
111 | 0 | else if (data instanceof InputStream) |
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{ |
113 | 0 | inputStream = (InputStream) data; |
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} |
115 | 0 | else if (data instanceof String) |
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{ |
117 | 0 | inputStream = new ByteArrayInputStream(((String) data).getBytes()); |
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} |
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else |
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{ |
122 | 0 | throw new IllegalArgumentException( |
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"Unexpected message type: java.io.InputStream, byte[], or String expected. Got " |
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+ data.getClass().getName()); |
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} |
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127 | 0 | if (logger.isDebugEnabled()) |
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{ |
129 | 0 | logger.debug("Writing file to: " + endpoint.getEndpointURI() + " [" + filename + "]"); |
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} |
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133 | 0 | SftpClient client = null; |
134 | 0 | boolean useTempDir = false; |
135 | 0 | String transferFilename = null; |
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try |
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{ |
139 | 0 | String serviceName = (event.getFlowConstruct() == null) |
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? "UNKNOWN SERVICE" |
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: event.getFlowConstruct().getName(); |
142 | 0 | SftpNotifier notifier = new SftpNotifier(connector, event.getMessage(), endpoint, serviceName); |
143 | 0 | client = connector.createSftpClient(endpoint, notifier); |
144 | 0 | String destDir = endpoint.getEndpointURI().getPath(); |
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146 | 0 | if (logger.isDebugEnabled()) |
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{ |
148 | 0 | logger.debug("Connection setup successful, writing file."); |
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} |
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152 | 0 | filename = client.duplicateHandling(destDir, filename, sftpUtil.getDuplicateHandling()); |
153 | 0 | transferFilename = filename; |
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155 | 0 | useTempDir = sftpUtil.isUseTempDirOutbound(); |
156 | 0 | if (useTempDir) |
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{ |
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160 | 0 | sftpUtil.cwdToTempDirOnOutbound(client, destDir); |
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164 | 0 | boolean addUniqueSuffix = sftpUtil.isUseTempFileTimestampSuffix(); |
165 | 0 | if (addUniqueSuffix) |
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{ |
167 | 0 | transferFilename = sftpUtil.createUniqueSuffix(transferFilename); |
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} |
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} |
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172 | 0 | client.storeFile(transferFilename, inputStream); |
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174 | 0 | if (useTempDir) |
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{ |
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177 | 0 | client.rename(transferFilename, destDir + "/" + filename); |
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} |
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180 | 0 | logger.info("Successfully wrote file '" + filename + "' to " + endpoint.getEndpointURI()); |
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} |
182 | 0 | catch (Exception e) |
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{ |
184 | 0 | logger.error("Unexpected exception attempting to write file, message was: " + e.getMessage(), e); |
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186 | 0 | sftpUtil.setErrorOccurredOnInputStream(inputStream); |
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188 | 0 | if (useTempDir) |
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{ |
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192 | 0 | String tempDir = sftpUtil.getTempDirOutbound(); |
193 | 0 | sftpUtil.cleanupTempDir(client, transferFilename, tempDir); |
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} |
195 | 0 | throw e; |
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} |
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finally |
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{ |
199 | 0 | if (client != null) |
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{ |
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203 | 0 | connector.releaseClient(endpoint, client); |
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} |
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210 | 0 | inputStream.close(); |
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212 | 0 | } |
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214 | 0 | } |
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protected MuleMessage doSend(MuleEvent event) throws Exception |
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{ |
218 | 0 | doDispatch(event); |
219 | 0 | return event.getMessage(); |
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} |
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private String generateFilename(MuleMessage message, String pattern) |
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{ |
229 | 0 | if (pattern == null) |
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{ |
231 | 0 | pattern = connector.getOutputPattern(); |
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} |
233 | 0 | return connector.getFilenameParser().getFilename(message, pattern); |
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} |
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} |