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Diffstat (limited to 'qpid/java/broker/src/main/java/org/apache/qpid/server/filter/PropertyExpression.java')
-rw-r--r--qpid/java/broker/src/main/java/org/apache/qpid/server/filter/PropertyExpression.java322
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diff --git a/qpid/java/broker/src/main/java/org/apache/qpid/server/filter/PropertyExpression.java b/qpid/java/broker/src/main/java/org/apache/qpid/server/filter/PropertyExpression.java
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@@ -0,0 +1,322 @@
+/*
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ *
+ */
+package org.apache.qpid.server.filter;
+//
+// Based on like named file from r450141 of the Apache ActiveMQ project <http://www.activemq.org/site/home.html>
+//
+
+import java.util.HashMap;
+
+import org.apache.log4j.Logger;
+
+import org.apache.qpid.AMQException;
+import org.apache.qpid.framing.AMQShortString;
+import org.apache.qpid.framing.CommonContentHeaderProperties;
+import org.apache.qpid.server.queue.AMQMessage;
+
+/**
+ * Represents a property expression
+ */
+public class PropertyExpression implements Expression
+{
+ // Constants - defined the same as JMS
+ private static final int NON_PERSISTENT = 1;
+ private static final int PERSISTENT = 2;
+ private static final int DEFAULT_PRIORITY = 4;
+
+ private static final Logger _logger = org.apache.log4j.Logger.getLogger(PropertyExpression.class);
+
+ private static final HashMap<String, Expression> JMS_PROPERTY_EXPRESSIONS = new HashMap<String, Expression>();
+
+ static
+ {
+ JMS_PROPERTY_EXPRESSIONS.put("JMSDestination", new Expression()
+ {
+ public Object evaluate(AMQMessage message)
+ {
+ //TODO
+ return null;
+ }
+ });
+ JMS_PROPERTY_EXPRESSIONS.put("JMSReplyTo", new Expression()
+ {
+ public Object evaluate(AMQMessage message)
+ {
+ try
+ {
+ CommonContentHeaderProperties _properties =
+ (CommonContentHeaderProperties)
+ message.getContentHeaderBody().properties;
+ AMQShortString replyTo = _properties.getReplyTo();
+
+ return (replyTo == null) ? null : replyTo.toString();
+ }
+ catch (AMQException e)
+ {
+ _logger.warn(e);
+
+ return null;
+ }
+
+ }
+
+ });
+
+ JMS_PROPERTY_EXPRESSIONS.put("JMSType", new Expression()
+ {
+ public Object evaluate(AMQMessage message)
+ {
+ try
+ {
+ CommonContentHeaderProperties _properties =
+ (CommonContentHeaderProperties)
+ message.getContentHeaderBody().properties;
+ AMQShortString type = _properties.getType();
+
+ return (type == null) ? null : type.toString();
+ }
+ catch (AMQException e)
+ {
+ _logger.warn(e);
+
+ return null;
+ }
+
+ }
+ });
+
+ JMS_PROPERTY_EXPRESSIONS.put("JMSDeliveryMode", new Expression()
+ {
+ public Object evaluate(AMQMessage message)
+ {
+ try
+ {
+ int mode = message.isPersistent() ? PERSISTENT : NON_PERSISTENT;
+ if (_logger.isDebugEnabled())
+ {
+ _logger.debug("JMSDeliveryMode is :" + mode);
+ }
+
+ return mode;
+ }
+ catch (AMQException e)
+ {
+ _logger.warn(e);
+ }
+
+ return NON_PERSISTENT;
+ }
+ });
+
+ JMS_PROPERTY_EXPRESSIONS.put("JMSPriority", new Expression()
+ {
+ public Object evaluate(AMQMessage message)
+ {
+ try
+ {
+ CommonContentHeaderProperties _properties =
+ (CommonContentHeaderProperties)
+ message.getContentHeaderBody().properties;
+
+ return (int) _properties.getPriority();
+ }
+ catch (AMQException e)
+ {
+ _logger.warn(e);
+ }
+
+ return DEFAULT_PRIORITY;
+ }
+ });
+
+ JMS_PROPERTY_EXPRESSIONS.put("AMQMessageID", new Expression()
+ {
+ public Object evaluate(AMQMessage message)
+ {
+
+ try
+ {
+ CommonContentHeaderProperties _properties =
+ (CommonContentHeaderProperties)
+ message.getContentHeaderBody().properties;
+ AMQShortString messageId = _properties.getMessageId();
+
+ return (messageId == null) ? null : messageId;
+ }
+ catch (AMQException e)
+ {
+ _logger.warn(e);
+
+ return null;
+ }
+
+ }
+ });
+
+ JMS_PROPERTY_EXPRESSIONS.put("JMSTimestamp", new Expression()
+ {
+ public Object evaluate(AMQMessage message)
+ {
+
+ try
+ {
+ CommonContentHeaderProperties _properties =
+ (CommonContentHeaderProperties)
+ message.getContentHeaderBody().properties;
+
+ return _properties.getTimestamp();
+ }
+ catch (AMQException e)
+ {
+ _logger.warn(e);
+
+ return null;
+ }
+
+ }
+ });
+
+ JMS_PROPERTY_EXPRESSIONS.put("JMSCorrelationID", new Expression()
+ {
+ public Object evaluate(AMQMessage message)
+ {
+
+ try
+ {
+ CommonContentHeaderProperties _properties =
+ (CommonContentHeaderProperties)
+ message.getContentHeaderBody().properties;
+ AMQShortString correlationId = _properties.getCorrelationId();
+
+ return (correlationId == null) ? null : correlationId.toString();
+ }
+ catch (AMQException e)
+ {
+ _logger.warn(e);
+
+ return null;
+ }
+
+ }
+ });
+
+ JMS_PROPERTY_EXPRESSIONS.put("JMSExpiration", new Expression()
+ {
+ public Object evaluate(AMQMessage message)
+ {
+
+ try
+ {
+ CommonContentHeaderProperties _properties =
+ (CommonContentHeaderProperties)
+ message.getContentHeaderBody().properties;
+
+ return _properties.getExpiration();
+ }
+ catch (AMQException e)
+ {
+ _logger.warn(e);
+
+ return null;
+ }
+
+ }
+ });
+
+ JMS_PROPERTY_EXPRESSIONS.put("JMSRedelivered", new Expression()
+ {
+ public Object evaluate(AMQMessage message)
+ {
+ return message.isRedelivered();
+ }
+ });
+
+ }
+
+ private final String name;
+ private final Expression jmsPropertyExpression;
+
+ public PropertyExpression(String name)
+ {
+ this.name = name;
+ jmsPropertyExpression = JMS_PROPERTY_EXPRESSIONS.get(name);
+ }
+
+ public Object evaluate(AMQMessage message) throws AMQException
+ {
+
+ if (jmsPropertyExpression != null)
+ {
+ return jmsPropertyExpression.evaluate(message);
+ }
+ else
+ {
+
+ CommonContentHeaderProperties _properties =
+ (CommonContentHeaderProperties) message.getContentHeaderBody().properties;
+
+ if (_logger.isDebugEnabled())
+ {
+ _logger.debug("Looking up property:" + name);
+ _logger.debug("Properties are:" + _properties.getHeaders().keySet());
+ }
+
+ return _properties.getHeaders().getObject(name);
+ }
+ }
+
+ public String getName()
+ {
+ return name;
+ }
+
+ /**
+ * @see java.lang.Object#toString()
+ */
+ public String toString()
+ {
+ return name;
+ }
+
+ /**
+ * @see java.lang.Object#hashCode()
+ */
+ public int hashCode()
+ {
+ return name.hashCode();
+ }
+
+ /**
+ * @see java.lang.Object#equals(java.lang.Object)
+ */
+ public boolean equals(Object o)
+ {
+
+ if ((o == null) || !this.getClass().equals(o.getClass()))
+ {
+ return false;
+ }
+
+ return name.equals(((PropertyExpression) o).name);
+
+ }
+
+}
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