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package org.mule.routing.inbound; |
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import org.mule.config.i18n.CoreMessages; |
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import org.mule.impl.MuleMessage; |
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import org.mule.routing.AbstractRouter; |
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import org.mule.umo.MessagingException; |
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import org.mule.umo.UMOEvent; |
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import org.mule.umo.UMOFilter; |
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import org.mule.umo.UMOMessage; |
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import org.mule.umo.routing.RoutingException; |
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import org.mule.umo.routing.UMOInboundRouter; |
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import org.mule.umo.transformer.TransformerException; |
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import org.apache.commons.logging.Log; |
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import org.apache.commons.logging.LogFactory; |
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37 | 432 | public class SelectiveConsumer extends AbstractRouter implements UMOInboundRouter |
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{ |
39 | 432 | protected final Log logger = LogFactory.getLog(getClass()); |
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private volatile UMOFilter filter; |
42 | 432 | private volatile boolean transformFirst = true; |
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public boolean isMatch(UMOEvent event) throws MessagingException |
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{ |
46 | 58 | if (logger.isDebugEnabled()) |
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{ |
48 | 0 | logger.debug("Attempting to route event: " + event.getId()); |
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} |
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51 | 58 | if (filter == null) |
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{ |
53 | 30 | return true; |
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} |
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56 | 28 | UMOMessage message = event.getMessage(); |
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58 | 28 | if (transformFirst) |
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{ |
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try |
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{ |
62 | 24 | Object payload = event.getTransformedMessage(); |
63 | 24 | message = new MuleMessage(payload, message); |
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} |
65 | 0 | catch (TransformerException e) |
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{ |
67 | 0 | throw new RoutingException( |
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CoreMessages.transformFailedBeforeFilter(), event.getMessage(), |
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event.getEndpoint(), e); |
70 | 24 | } |
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} |
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73 | 28 | boolean result = filter.accept(message); |
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75 | 28 | if (logger.isDebugEnabled()) |
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{ |
77 | 0 | logger.debug("Event " + event.getId() + (result ? " passed filter " : " did not pass filter ") |
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+ filter.getClass().getName()); |
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} |
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81 | 28 | return result; |
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} |
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public UMOEvent[] process(UMOEvent event) throws MessagingException |
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{ |
86 | 8 | if (this.isMatch(event)) |
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{ |
88 | 8 | return new UMOEvent[]{event}; |
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} |
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else |
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{ |
92 | 0 | return null; |
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} |
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} |
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public UMOFilter getFilter() |
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{ |
98 | 4 | return filter; |
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} |
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public void setFilter(UMOFilter filter) |
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{ |
103 | 4 | this.filter = filter; |
104 | 4 | } |
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public boolean isTransformFirst() |
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{ |
108 | 0 | return transformFirst; |
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} |
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public void setTransformFirst(boolean transformFirst) |
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{ |
113 | 2 | this.transformFirst = transformFirst; |
114 | 2 | } |
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} |