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package org.apache.camel.component.jms; |
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import java.io.File; |
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import java.util.Enumeration; |
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import java.util.Map; |
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import javax.jms.Destination; |
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import javax.jms.JMSException; |
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import javax.jms.Message; |
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import javax.jms.Queue; |
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import javax.jms.Topic; |
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import org.apache.camel.impl.DefaultMessage; |
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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 JmsMessage extends DefaultMessage { |
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private static final transient Log LOG = LogFactory.getLog(JmsMessage.class); |
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private Message jmsMessage; |
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public JmsMessage() { |
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} |
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public JmsMessage(Message jmsMessage) { |
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setJmsMessage(jmsMessage); |
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} |
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@Override |
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public String toString() { |
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if (jmsMessage != null) { |
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return "JmsMessage: " + jmsMessage; |
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} else { |
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return "JmsMessage: " + getBody(); |
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} |
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} |
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public Message getJmsMessage() { |
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return jmsMessage; |
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} |
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public void setJmsMessage(Message jmsMessage) { |
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this.jmsMessage = jmsMessage; |
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try { |
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String id = getDestinationAsString(jmsMessage.getJMSDestination()); |
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id += getSanitizedString(jmsMessage.getJMSMessageID()); |
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setMessageId(id); |
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} catch (JMSException e) { |
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LOG.error("Failed to get message id from message " + jmsMessage, e); |
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} |
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} |
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public Object getHeader(String name) { |
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Object answer = null; |
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if (jmsMessage != null && !name.startsWith("JMS")) { |
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try { |
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answer = jmsMessage.getObjectProperty(name); |
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} catch (JMSException e) { |
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throw new MessagePropertyAccessException(name, e); |
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} |
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} |
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if (answer == null) { |
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answer = super.getHeader(name); |
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} |
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return answer; |
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} |
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@Override |
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public JmsMessage newInstance() { |
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return new JmsMessage(); |
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} |
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@Override |
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protected Object createBody() { |
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if (jmsMessage != null && getExchange() instanceof JmsExchange) { |
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JmsExchange exchange = (JmsExchange)getExchange(); |
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return exchange.getBinding().extractBodyFromJms(exchange, jmsMessage); |
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} |
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return null; |
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} |
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@Override |
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protected void populateInitialHeaders(Map<String, Object> map) { |
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if (jmsMessage != null) { |
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try { |
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map.put("JMSCorrelationID", jmsMessage.getJMSCorrelationID()); |
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map.put("JMSDeliveryMode", jmsMessage.getJMSDeliveryMode()); |
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map.put("JMSDestination", jmsMessage.getJMSDestination()); |
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map.put("JMSExpiration", jmsMessage.getJMSExpiration()); |
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map.put("JMSMessageID", jmsMessage.getJMSMessageID()); |
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map.put("JMSPriority", jmsMessage.getJMSPriority()); |
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map.put("JMSRedelivered", jmsMessage.getJMSRedelivered()); |
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map.put("JMSReplyTo", jmsMessage.getJMSReplyTo()); |
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map.put("JMSTimestamp", jmsMessage.getJMSTimestamp()); |
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map.put("JMSType", jmsMessage.getJMSType()); |
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} |
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catch (JMSException e) { |
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throw new MessageJMSPropertyAccessException(e); |
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} |
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Enumeration names; |
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try { |
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names = jmsMessage.getPropertyNames(); |
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} catch (JMSException e) { |
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throw new MessagePropertyNamesAccessException(e); |
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} |
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while (names.hasMoreElements()) { |
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String name = names.nextElement().toString(); |
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try { |
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Object value = jmsMessage.getObjectProperty(name); |
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map.put(name, value); |
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} catch (JMSException e) { |
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throw new MessagePropertyAccessException(name, e); |
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} |
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} |
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} |
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} |
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private String getDestinationAsString(Destination destination) throws JMSException { |
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String result = ""; |
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if (destination == null) { |
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result = "null destination!"; |
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} else if (destination instanceof Topic) { |
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result += "topic" + File.separator + getSanitizedString(((Topic)destination).getTopicName()); |
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} else { |
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result += "queue" + File.separator + getSanitizedString(((Queue)destination).getQueueName()); |
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} |
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result += File.separator; |
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return result; |
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} |
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private String getSanitizedString(Object value) { |
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return value != null ? value.toString().replaceAll("[^a-zA-Z0-9\\.\\_\\-]", "_") : ""; |
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} |
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} |