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package org.mule.transport.jms; |
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import org.mule.api.MuleException; |
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import org.mule.api.MuleMessage; |
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import org.mule.transport.jms.i18n.JmsMessages; |
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import java.text.MessageFormat; |
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import java.util.Collections; |
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import java.util.Map; |
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import javax.jms.JMSException; |
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import javax.jms.Message; |
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import org.apache.commons.collections.map.LRUMap; |
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import org.apache.commons.logging.Log; |
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import org.apache.commons.logging.LogFactory; |
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public class CountingRedeliveryHandler extends AbstractRedeliveryHandler |
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{ |
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37 | 0 | protected static final Log logger = LogFactory.getLog(CountingRedeliveryHandler.class); |
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39 | 0 | private Map<String, Integer> messages = null; |
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@SuppressWarnings("unchecked") |
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public CountingRedeliveryHandler() |
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{ |
44 | 0 | super(); |
45 | 0 | messages = Collections.synchronizedMap(new LRUMap(256)); |
46 | 0 | } |
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@Override |
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public void handleRedelivery(Message message) throws JMSException, MuleException |
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{ |
58 | 0 | final int connectorRedelivery = connector.getMaxRedelivery(); |
59 | 0 | if (connectorRedelivery == JmsConnector.REDELIVERY_IGNORE || connectorRedelivery < 0 ) |
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{ |
61 | 0 | if (logger.isDebugEnabled()) |
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{ |
63 | 0 | logger.debug("We were asked to ignore the redelivery count, nothing to do here."); |
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} |
65 | 0 | return; |
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} |
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68 | 0 | String id = message.getJMSMessageID(); |
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70 | 0 | if (id == null) |
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{ |
72 | 0 | if (logger.isDebugEnabled()) |
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{ |
74 | 0 | logger.debug("Message doesn't have a JMSMessageID set, Mule can't handle redelivery for it. " + message); |
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} |
76 | 0 | return; |
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} |
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79 | 0 | Integer redeliveryCount = messages.remove(id); |
80 | 0 | if (redeliveryCount != null) |
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{ |
82 | 0 | redeliveryCount += 1; |
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} |
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85 | 0 | if (redeliveryCount == null) |
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{ |
87 | 0 | if (logger.isDebugEnabled()) |
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{ |
89 | 0 | logger.debug("Message with id: " + id + " has been redelivered for the first time"); |
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} |
91 | 0 | messages.put(id, 1); |
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} |
93 | 0 | else if (redeliveryCount == 1) |
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{ |
95 | 0 | if (logger.isDebugEnabled()) |
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{ |
97 | 0 | logger.debug("Message with id: " + id + " has been redelivered for the first time"); |
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} |
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100 | 0 | if (connectorRedelivery == JmsConnector.REDELIVERY_FAIL_ON_FIRST) |
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{ |
102 | 0 | MuleMessage msg = createMuleMessage(message); |
103 | 0 | throw new MessageRedeliveredException( |
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JmsMessages.tooManyRedeliveries(id, String.valueOf(redeliveryCount), |
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connectorRedelivery, connector.getName()), msg); |
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} |
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} |
108 | 0 | else if (redeliveryCount > connectorRedelivery) |
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{ |
110 | 0 | if (logger.isDebugEnabled()) |
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{ |
112 | 0 | logger.debug(MessageFormat.format( |
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"Message with id: {0} has been redelivered {1} times, which exceeds the maxRedelivery setting " + |
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"of {2} on the connector {3}", id, redeliveryCount, connectorRedelivery, connector.getName())); |
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} |
116 | 0 | MuleMessage msg = createMuleMessage(message); |
117 | 0 | throw new MessageRedeliveredException( |
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JmsMessages.tooManyRedeliveries(id, "" + redeliveryCount, connectorRedelivery, |
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connector.getName()), msg); |
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} |
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else |
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{ |
123 | 0 | messages.put(id, redeliveryCount); |
124 | 0 | if (logger.isDebugEnabled()) |
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{ |
126 | 0 | logger.debug("Message with id: " + id + " has been redelivered " + redeliveryCount + " times"); |
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} |
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} |
129 | 0 | } |
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} |