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package org.mule.transport.ftp; |
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import org.mule.DefaultMuleMessage; |
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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.EndpointURI; |
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import org.mule.api.endpoint.OutboundEndpoint; |
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import org.mule.api.retry.RetryContext; |
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import org.mule.transport.AbstractMessageDispatcher; |
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import org.mule.transport.NullPayload; |
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import java.io.InputStream; |
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import java.io.OutputStream; |
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import org.apache.commons.io.IOUtils; |
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import org.apache.commons.net.ftp.FTPClient; |
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public class FtpMessageDispatcher extends AbstractMessageDispatcher |
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{ |
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protected final FtpConnector connector; |
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public FtpMessageDispatcher(OutboundEndpoint endpoint) |
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{ |
30 | 0 | super(endpoint); |
31 | 0 | this.connector = (FtpConnector) endpoint.getConnector(); |
32 | 0 | } |
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protected void doDispose() |
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{ |
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37 | 0 | } |
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protected void doDispatch(MuleEvent event) throws Exception |
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{ |
41 | 0 | Object data = event.getMessage().getPayload(); |
42 | 0 | OutputStream out = connector.getOutputStream((OutboundEndpoint) endpoint, event); |
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try |
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{ |
46 | 0 | if (data instanceof InputStream) |
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{ |
48 | 0 | InputStream is = ((InputStream) data); |
49 | 0 | IOUtils.copy(is, out); |
50 | 0 | is.close(); |
51 | 0 | } |
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else |
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{ |
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byte[] dataBytes; |
55 | 0 | if (data instanceof byte[]) |
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{ |
57 | 0 | dataBytes = (byte[]) data; |
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} |
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else |
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{ |
61 | 0 | dataBytes = data.toString().getBytes(event.getEncoding()); |
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} |
63 | 0 | IOUtils.write(dataBytes, out); |
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} |
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} |
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finally |
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{ |
68 | 0 | out.close(); |
69 | 0 | } |
70 | 0 | } |
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protected MuleMessage doSend(MuleEvent event) throws Exception |
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{ |
74 | 0 | doDispatch(event); |
75 | 0 | return new DefaultMuleMessage(NullPayload.getInstance(), connector.getMuleContext()); |
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} |
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protected void doConnect() throws Exception |
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{ |
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81 | 0 | } |
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protected void doDisconnect() throws Exception |
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{ |
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try |
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{ |
87 | 0 | EndpointURI uri = endpoint.getEndpointURI(); |
88 | 0 | FTPClient client = connector.getFtp(uri); |
89 | 0 | connector.destroyFtp(uri, client); |
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} |
91 | 0 | catch (Exception e) |
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{ |
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94 | 0 | } |
95 | 0 | } |
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@Override |
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public RetryContext validateConnection(RetryContext retryContext) |
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{ |
100 | 0 | FTPClient client = null; |
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try |
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{ |
103 | 0 | client = connector.createFtpClient(endpoint); |
104 | 0 | client.sendNoOp(); |
105 | 0 | client.logout(); |
106 | 0 | client.disconnect(); |
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108 | 0 | retryContext.setOk(); |
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} |
110 | 0 | catch (Exception ex) |
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{ |
112 | 0 | retryContext.setFailed(ex); |
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} |
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finally |
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{ |
116 | 0 | try |
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{ |
118 | 0 | if (client != null) |
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{ |
120 | 0 | connector.releaseFtp(endpoint.getEndpointURI(), client); |
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} |
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} |
123 | 0 | catch (Exception e) |
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{ |
125 | 0 | if (logger.isDebugEnabled()) |
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{ |
127 | 0 | logger.debug("Failed to release ftp client " + client, e); |
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} |
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130 | 0 | } |
131 | 0 | } |
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133 | 0 | return retryContext; |
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} |
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} |