1 files changed, 234 insertions, 0 deletions
diff --git a/qpid/java/common/src/main/java/org/apache/qpid/filter/PropertyExpression.java b/qpid/java/common/src/main/java/org/apache/qpid/filter/PropertyExpression.java
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+/*
+ *
+ * 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.filter;
+//
+// Based on like named file from r450141 of the Apache ActiveMQ project <http://www.activemq.org/site/home.html>
+//
+
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.util.HashMap;
+
+/**
+ * Represents a property  expression
+ */
+public class PropertyExpression implements Expression
+{
+    // Constants - defined the same as JMS
+    private static enum JMSDeliveryMode { NON_PERSISTENT, PERSISTENT }
+
+    private static final int DEFAULT_PRIORITY = 4;
+
+    private static final Logger _logger = LoggerFactory.getLogger(PropertyExpression.class);
+
+    private static final HashMap<String, Expression> JMS_PROPERTY_EXPRESSIONS = new HashMap<String, Expression>();
+
+    {
+        JMS_PROPERTY_EXPRESSIONS.put("JMSDestination", new Expression()
+                                     {
+                                         public Object evaluate(FilterableMessage message)
+                                         {
+                                             //TODO
+                                             return null;
+                                         }
+                                     });
+        JMS_PROPERTY_EXPRESSIONS.put("JMSReplyTo", new ReplyToExpression());
+
+        JMS_PROPERTY_EXPRESSIONS.put("JMSType", new TypeExpression());
+
+        JMS_PROPERTY_EXPRESSIONS.put("JMSDeliveryMode", new DeliveryModeExpression());
+
+        JMS_PROPERTY_EXPRESSIONS.put("JMSPriority", new PriorityExpression());
+
+        JMS_PROPERTY_EXPRESSIONS.put("JMSMessageID", new MessageIDExpression());
+
+        JMS_PROPERTY_EXPRESSIONS.put("AMQMessageID", new MessageIDExpression());
+
+        JMS_PROPERTY_EXPRESSIONS.put("JMSTimestamp", new TimestampExpression());
+
+        JMS_PROPERTY_EXPRESSIONS.put("JMSCorrelationID", new CorrelationIdExpression());
+
+        JMS_PROPERTY_EXPRESSIONS.put("JMSExpiration", new ExpirationExpression());
+
+        JMS_PROPERTY_EXPRESSIONS.put("JMSRedelivered", new Expression()
+                                     {
+                                         public Object evaluate(FilterableMessage message)
+                                         {
+                                             return message.isRedelivered();
+                                         }
+                                     });
+    }
+
+    private final String name;
+    private final Expression jmsPropertyExpression;
+
+    public boolean outerTest()
+    {
+        return false;
+    }
+
+    public PropertyExpression(String name)
+    {
+        this.name = name;
+
+        
+
+        jmsPropertyExpression = JMS_PROPERTY_EXPRESSIONS.get(name);
+    }
+
+    public Object evaluate(FilterableMessage message)
+    {
+
+        if (jmsPropertyExpression != null)
+        {
+            return jmsPropertyExpression.evaluate(message);
+        }
+        else
+        {
+            return message.getHeader(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);
+
+    }
+
+    private static class ReplyToExpression implements Expression
+    {
+        public Object evaluate(FilterableMessage message)
+        {
+            String replyTo = message.getReplyTo();
+            return replyTo;
+        }
+
+    }
+
+    private static class TypeExpression implements Expression
+    {
+        public Object evaluate(FilterableMessage message)
+        {
+
+                String type = message.getType();
+                return type;
+
+        }
+    }
+
+    private static class DeliveryModeExpression implements Expression
+    {
+        public Object evaluate(FilterableMessage message)
+        {
+                JMSDeliveryMode mode = message.isPersistent() ? JMSDeliveryMode.PERSISTENT :
+                                                                JMSDeliveryMode.NON_PERSISTENT;
+                if (_logger.isDebugEnabled())
+                {
+                    _logger.debug("JMSDeliveryMode is :" + mode);
+                }
+
+                return mode.toString();
+        }
+    }
+
+    private static class PriorityExpression implements Expression
+    {
+        public Object evaluate(FilterableMessage message)
+        {
+            byte priority = message.getPriority();
+            return (int) priority;
+        }
+    }
+
+    private static class MessageIDExpression implements Expression
+    {
+        public Object evaluate(FilterableMessage message)
+        {
+
+            String messageId = message.getMessageId();
+
+            return messageId;
+
+        }
+    }
+
+    private static class TimestampExpression implements Expression
+    {
+        public Object evaluate(FilterableMessage message)
+        {
+            long timestamp = message.getTimestamp();
+            return timestamp;
+        }
+    }
+
+    private static class CorrelationIdExpression implements Expression
+    {
+        public Object evaluate(FilterableMessage message)
+        {
+
+            String correlationId = message.getCorrelationId();
+
+            return correlationId;
+        }
+    }
+
+    private static class ExpirationExpression implements Expression
+    {
+        public Object evaluate(FilterableMessage message)
+        {
+            long expiration = message.getExpiration();
+            return expiration;
+
+        }
+    }
+}