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package org.mule.routing.outbound; |
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|
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import org.mule.MuleManager; |
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import org.mule.config.MuleProperties; |
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import org.mule.routing.AbstractRouter; |
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import org.mule.routing.CorrelationPropertiesExtractor; |
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import org.mule.transaction.TransactionCallback; |
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import org.mule.transaction.TransactionTemplate; |
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import org.mule.umo.UMOException; |
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import org.mule.umo.UMOMessage; |
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import org.mule.umo.UMOSession; |
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import org.mule.umo.UMOTransactionConfig; |
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import org.mule.umo.endpoint.UMOEndpoint; |
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import org.mule.umo.endpoint.UMOImmutableEndpoint; |
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import org.mule.umo.routing.RoutingException; |
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import org.mule.umo.routing.UMOOutboundRouter; |
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import org.mule.util.ClassUtils; |
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import org.mule.util.StringMessageUtils; |
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import org.mule.util.SystemUtils; |
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import org.mule.util.properties.PropertyExtractor; |
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|
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import java.util.Iterator; |
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import java.util.List; |
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|
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import edu.emory.mathcs.backport.java.util.concurrent.CopyOnWriteArrayList; |
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import org.apache.commons.logging.Log; |
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import org.apache.commons.logging.LogFactory; |
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|
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|
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|
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|
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|
43 | 468 | public abstract class AbstractOutboundRouter extends AbstractRouter implements UMOOutboundRouter |
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{ |
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public static final int ENABLE_CORRELATION_IF_NOT_SET = 0; |
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public static final int ENABLE_CORRELATION_ALWAYS = 1; |
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public static final int ENABLE_CORRELATION_NEVER = 2; |
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|
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|
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|
51 | 468 | protected transient Log logger = LogFactory.getLog(getClass()); |
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|
53 | 468 | protected List endpoints = new CopyOnWriteArrayList(); |
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|
55 | 468 | protected String replyTo = null; |
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|
57 | 468 | protected int enableCorrelation = ENABLE_CORRELATION_IF_NOT_SET; |
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|
59 | 468 | protected PropertyExtractor propertyExtractor = new CorrelationPropertiesExtractor(); |
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|
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protected UMOTransactionConfig transactionConfig; |
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|
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public void dispatch(final UMOSession session, final UMOMessage message, final UMOEndpoint endpoint) throws UMOException |
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{ |
65 | 42 | setMessageProperties(session, message, endpoint); |
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|
67 | 42 | if (logger.isDebugEnabled()) |
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{ |
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try |
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{ |
71 | 0 | logger.debug("Message being sent to: " + endpoint.getEndpointURI() + " Message payload: \n" |
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+ StringMessageUtils.truncate(message.getPayloadAsString(), 100, false)); |
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} |
74 | 0 | catch (Exception e) |
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{ |
76 | 0 | logger.debug("Message being sent to: " + endpoint.getEndpointURI() |
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+ " Message payload: \n(unable to retrieve payload: " + e.getMessage()); |
78 | 0 | } |
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} |
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|
81 | 42 | TransactionTemplate tt = new TransactionTemplate(endpoint.getTransactionConfig(), |
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session.getComponent().getDescriptor().getExceptionListener()); |
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|
84 | 42 | TransactionCallback cb = new TransactionCallback() |
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{ |
86 | 42 | public Object doInTransaction() throws Exception |
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{ |
88 | 42 | session.dispatchEvent(message, endpoint); |
89 | 40 | return null; |
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} |
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}; |
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|
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try |
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{ |
95 | 42 | tt.execute(cb); |
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} |
97 | 2 | catch (Exception e) |
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{ |
99 | 2 | throw new RoutingException(message, null, e); |
100 | 40 | } |
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|
102 | 40 | if (getRouterStatistics() != null) |
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{ |
104 | 8 | if (getRouterStatistics().isEnabled()) |
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{ |
106 | 0 | getRouterStatistics().incrementRoutedMessage(endpoint); |
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} |
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} |
109 | 40 | } |
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|
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public UMOMessage send(final UMOSession session, final UMOMessage message, final UMOEndpoint endpoint) throws UMOException |
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{ |
113 | 64 | if (replyTo != null) |
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{ |
115 | 0 | logger.debug("event was dispatched synchronously, but there is a ReplyTo endpoint set, so using asynchronous dispatch"); |
116 | 0 | dispatch(session, message, endpoint); |
117 | 0 | return null; |
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} |
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|
120 | 64 | this.setMessageProperties(session, message, endpoint); |
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|
122 | 64 | if (logger.isDebugEnabled()) |
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{ |
124 | 0 | logger.debug("Message being sent to: " + endpoint.getEndpointURI()); |
125 | 0 | logger.debug(message); |
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} |
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|
128 | 64 | if (logger.isTraceEnabled()) |
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{ |
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try |
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{ |
132 | 0 | logger.trace("Message payload: \n" + message.getPayloadAsString()); |
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} |
134 | 0 | catch (Exception e) |
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{ |
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|
137 | 0 | } |
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} |
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|
140 | 64 | TransactionTemplate tt = new TransactionTemplate(endpoint.getTransactionConfig(), |
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session.getComponent().getDescriptor().getExceptionListener()); |
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|
143 | 64 | TransactionCallback cb = new TransactionCallback() |
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{ |
145 | 64 | public Object doInTransaction() throws Exception |
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{ |
147 | 64 | return session.sendEvent(message, endpoint); |
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} |
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}; |
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|
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UMOMessage result; |
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try |
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{ |
154 | 64 | result = (UMOMessage) tt.execute(cb); |
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} |
156 | 6 | catch (Exception e) |
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{ |
158 | 6 | throw new RoutingException(message, null, e); |
159 | 58 | } |
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|
161 | 58 | if (getRouterStatistics() != null) |
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{ |
163 | 0 | if (getRouterStatistics().isEnabled()) |
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{ |
165 | 0 | getRouterStatistics().incrementRoutedMessage(endpoint); |
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} |
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} |
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|
169 | 58 | if (logger.isDebugEnabled()) |
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{ |
171 | 0 | logger.debug("Response message from sending to: " + endpoint.getEndpointURI()); |
172 | 0 | logger.debug(result); |
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} |
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|
175 | 58 | if (logger.isTraceEnabled()) |
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{ |
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try |
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{ |
179 | 0 | logger.trace("Message payload: \n" + result.getPayloadAsString()); |
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} |
181 | 0 | catch (Exception e) |
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{ |
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|
184 | 0 | } |
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} |
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|
187 | 58 | return result; |
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} |
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|
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protected void setMessageProperties(UMOSession session, UMOMessage message, UMOEndpoint endpoint) |
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{ |
192 | 108 | if (replyTo != null) |
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{ |
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|
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|
196 | 0 | message.setReplyTo(replyTo); |
197 | 0 | message.setProperty(MuleProperties.MULE_REPLY_TO_REQUESTOR_PROPERTY, session.getComponent() |
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.getDescriptor() |
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.getName()); |
200 | 0 | if (logger.isDebugEnabled()) |
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{ |
202 | 0 | logger.debug("Setting replyTo=" + replyTo + " for outbound endpoint: " |
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+ endpoint.getEndpointURI()); |
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} |
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} |
206 | 108 | if (enableCorrelation != ENABLE_CORRELATION_NEVER) |
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{ |
208 | 108 | boolean correlationSet = message.getCorrelationId() != null; |
209 | 108 | if (correlationSet && (enableCorrelation == ENABLE_CORRELATION_IF_NOT_SET)) |
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{ |
211 | 58 | if (logger.isDebugEnabled()) |
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{ |
213 | 0 | logger.debug("CorrelationId is already set to '" + message.getCorrelationId() |
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+ "' , not setting it again"); |
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} |
216 | 58 | return; |
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} |
218 | 50 | else if (correlationSet) |
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{ |
220 | 0 | if (logger.isDebugEnabled()) |
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{ |
222 | 0 | logger.debug("CorrelationId is already set to '" + message.getCorrelationId() |
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+ "', but router is configured to overwrite it"); |
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} |
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} |
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else |
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{ |
228 | 50 | if (logger.isDebugEnabled()) |
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{ |
230 | 0 | logger.debug("No CorrelationId is set on the message, will set a new Id"); |
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} |
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} |
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|
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String correlation; |
235 | 50 | Object o = propertyExtractor.getProperty(MuleProperties.MULE_CORRELATION_ID_PROPERTY, message); |
236 | 50 | if (logger.isDebugEnabled()) |
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{ |
238 | 0 | logger.debug("Extracted correlation Id as: " + o); |
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} |
240 | 50 | correlation = o.toString(); |
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|
242 | 50 | if (logger.isDebugEnabled()) |
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{ |
244 | 0 | StringBuffer buf = new StringBuffer(); |
245 | 0 | buf.append("Setting Correlation info on Outbound router for endpoint: ").append( |
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endpoint.getEndpointURI()); |
247 | 0 | buf.append(SystemUtils.LINE_SEPARATOR).append("Id=").append(correlation); |
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|
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|
250 | 0 | logger.debug(buf.toString()); |
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} |
252 | 50 | message.setCorrelationId(correlation); |
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|
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|
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} |
256 | 50 | } |
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|
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public List getEndpoints() |
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{ |
260 | 42 | return endpoints; |
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} |
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|
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public void setEndpoints(List endpoints) |
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{ |
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|
266 | 38 | for (Iterator iterator = endpoints.iterator(); iterator.hasNext();) |
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{ |
268 | 74 | UMOEndpoint umoEndpoint = (UMOEndpoint) iterator.next(); |
269 | 74 | addEndpoint(umoEndpoint); |
270 | 74 | } |
271 | 38 | } |
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|
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public void addEndpoint(UMOEndpoint endpoint) |
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{ |
275 | 476 | endpoint.setType(UMOEndpoint.ENDPOINT_TYPE_SENDER); |
276 | 476 | endpoints.add(endpoint); |
277 | 476 | } |
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|
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public boolean removeEndpoint(UMOImmutableEndpoint endpoint) |
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{ |
281 | 0 | return endpoints.remove(endpoint); |
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} |
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|
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public String getReplyTo() |
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{ |
286 | 0 | return replyTo; |
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} |
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|
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public void setReplyTo(String replyTo) |
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{ |
291 | 0 | if (replyTo != null) |
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{ |
293 | 0 | this.replyTo = MuleManager.getInstance().lookupEndpointIdentifier(replyTo, replyTo); |
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} |
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else |
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{ |
297 | 0 | this.replyTo = null; |
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} |
299 | 0 | } |
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|
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public int getEnableCorrelation() |
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{ |
303 | 0 | return enableCorrelation; |
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} |
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|
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public void setEnableCorrelation(int enableCorrelation) |
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{ |
308 | 0 | this.enableCorrelation = enableCorrelation; |
309 | 0 | } |
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|
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public void setEnableCorrelationAsString(String enableCorrelation) |
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{ |
313 | 0 | if (enableCorrelation != null) |
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{ |
315 | 0 | if (enableCorrelation.equals("ALWAYS")) |
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{ |
317 | 0 | this.enableCorrelation = ENABLE_CORRELATION_ALWAYS; |
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} |
319 | 0 | else if (enableCorrelation.equals("NEVER")) |
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{ |
321 | 0 | this.enableCorrelation = ENABLE_CORRELATION_NEVER; |
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} |
323 | 0 | else if (enableCorrelation.equals("IF_NOT_SET")) |
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{ |
325 | 0 | this.enableCorrelation = ENABLE_CORRELATION_IF_NOT_SET; |
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} |
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else |
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{ |
329 | 0 | throw new IllegalArgumentException("Value for enableCorrelation not recognised: " |
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+ enableCorrelation); |
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} |
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} |
333 | 0 | } |
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|
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public PropertyExtractor getPropertyExtractor() |
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{ |
337 | 0 | return propertyExtractor; |
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} |
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|
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public void setPropertyExtractor(PropertyExtractor propertyExtractor) |
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{ |
342 | 0 | this.propertyExtractor = propertyExtractor; |
343 | 0 | } |
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|
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public void setPropertyExtractorAsString(String className) |
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{ |
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try |
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{ |
349 | 0 | this.propertyExtractor = (PropertyExtractor) ClassUtils.instanciateClass(className, null, |
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getClass()); |
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} |
352 | 0 | catch (Exception ex) |
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{ |
354 | 0 | throw (IllegalArgumentException) new IllegalArgumentException( |
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"Couldn't instanciate property extractor class " + className).initCause(ex); |
356 | 0 | } |
357 | 0 | } |
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|
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public UMOTransactionConfig getTransactionConfig() |
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{ |
361 | 16 | return transactionConfig; |
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} |
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|
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public void setTransactionConfig(UMOTransactionConfig transactionConfig) |
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{ |
366 | 0 | this.transactionConfig = transactionConfig; |
367 | 0 | } |
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|
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public boolean isDynamicEndpoints() |
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{ |
371 | 4 | return false; |
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} |
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} |