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11 package org.mule.transport.stdio;
12
13 import org.mule.api.MuleContext;
14 import org.mule.api.construct.FlowConstruct;
15 import org.mule.api.endpoint.InboundEndpoint;
16 import org.mule.api.processor.MessageProcessor;
17 import org.mule.api.transport.MessageReceiver;
18 import org.mule.transport.AbstractConnector;
19 import org.mule.transport.AbstractPollingMessageReceiver;
20
21 import java.io.InputStream;
22 import java.io.OutputStream;
23
24 import org.apache.commons.io.IOUtils;
25
26
27
28
29
30 public abstract class StdioConnector extends AbstractConnector
31 {
32
33 public static final String STDIO = "stdio";
34 public static final String STREAM_SYSTEM_IN = "system.in";
35 public static final String STREAM_SYSTEM_OUT = "system.out";
36 public static final String STREAM_SYSTEM_ERR = "system.err";
37
38 protected OutputStream outputStream;
39 protected InputStream inputStream;
40
41 public StdioConnector(MuleContext context)
42 {
43 super(context);
44 }
45
46 @Override
47 public MessageReceiver createReceiver(FlowConstruct flowConstruct, InboundEndpoint endpoint) throws Exception
48 {
49 return serviceDescriptor.createMessageReceiver(this, flowConstruct, endpoint,
50 AbstractPollingMessageReceiver.DEFAULT_POLL_FREQUENCY);
51 }
52
53 @Override
54 public void doStop()
55 {
56
57 }
58
59 @Override
60 protected void doDispose()
61 {
62 IOUtils.closeQuietly(inputStream);
63 IOUtils.closeQuietly(outputStream);
64 }
65
66 @Override
67 public void doStart()
68 {
69
70 }
71
72 public String getProtocol()
73 {
74 return STDIO;
75 }
76
77 public InputStream getInputStream()
78 {
79 return inputStream;
80 }
81
82 public void setInputStream(InputStream inputStream)
83 {
84 this.inputStream = inputStream;
85 }
86
87 public OutputStream getOutputStream()
88 {
89 return outputStream;
90 }
91
92 public void setOutputStream(OutputStream outputStream)
93 {
94 this.outputStream = outputStream;
95 }
96
97 public void registerListener(InboundEndpoint endpoint, MessageProcessor listener, FlowConstruct flowConstruct) throws Exception
98 {
99 if (receivers.size() > 0)
100 {
101 throw new UnsupportedOperationException(
102 "You can only register one listener per system stream connector");
103 }
104 super.registerListener(endpoint, listener, flowConstruct);
105 }
106 }