| /** |
| * 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.activemq.filter; |
| |
| import java.io.IOException; |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| import javax.jms.DeliveryMode; |
| import javax.jms.JMSException; |
| |
| import org.apache.activemq.command.ActiveMQDestination; |
| import org.apache.activemq.command.Message; |
| import org.apache.activemq.command.TransactionId; |
| import org.apache.activemq.util.JMSExceptionSupport; |
| |
| /** |
| * Represents a property expression |
| * |
| * |
| */ |
| public class PropertyExpression implements Expression { |
| |
| private static final Map<String, SubExpression> JMS_PROPERTY_EXPRESSIONS = new HashMap<String, SubExpression>(); |
| |
| interface SubExpression { |
| Object evaluate(Message message); |
| } |
| |
| static { |
| JMS_PROPERTY_EXPRESSIONS.put("JMSDestination", new SubExpression() { |
| |
| public Object evaluate(Message message) { |
| ActiveMQDestination dest = message.getOriginalDestination(); |
| if (dest == null) { |
| dest = message.getDestination(); |
| } |
| if (dest == null) { |
| return null; |
| } |
| return dest.toString(); |
| } |
| }); |
| JMS_PROPERTY_EXPRESSIONS.put("JMSReplyTo", new SubExpression() { |
| |
| public Object evaluate(Message message) { |
| if (message.getReplyTo() == null) { |
| return null; |
| } |
| return message.getReplyTo().toString(); |
| } |
| }); |
| JMS_PROPERTY_EXPRESSIONS.put("JMSType", new SubExpression() { |
| |
| public Object evaluate(Message message) { |
| return message.getType(); |
| } |
| }); |
| JMS_PROPERTY_EXPRESSIONS.put("JMSDeliveryMode", new SubExpression() { |
| |
| public Object evaluate(Message message) { |
| return Integer.valueOf(message.isPersistent() ? DeliveryMode.PERSISTENT : DeliveryMode.NON_PERSISTENT); |
| } |
| }); |
| JMS_PROPERTY_EXPRESSIONS.put("JMSPriority", new SubExpression() { |
| |
| public Object evaluate(Message message) { |
| return Integer.valueOf(message.getPriority()); |
| } |
| }); |
| JMS_PROPERTY_EXPRESSIONS.put("JMSMessageID", new SubExpression() { |
| |
| public Object evaluate(Message message) { |
| if (message.getMessageId() == null) { |
| return null; |
| } |
| return message.getMessageId().toString(); |
| } |
| }); |
| JMS_PROPERTY_EXPRESSIONS.put("JMSTimestamp", new SubExpression() { |
| |
| public Object evaluate(Message message) { |
| return Long.valueOf(message.getTimestamp()); |
| } |
| }); |
| JMS_PROPERTY_EXPRESSIONS.put("JMSCorrelationID", new SubExpression() { |
| |
| public Object evaluate(Message message) { |
| return message.getCorrelationId(); |
| } |
| }); |
| JMS_PROPERTY_EXPRESSIONS.put("JMSExpiration", new SubExpression() { |
| |
| public Object evaluate(Message message) { |
| return Long.valueOf(message.getExpiration()); |
| } |
| }); |
| JMS_PROPERTY_EXPRESSIONS.put("JMSRedelivered", new SubExpression() { |
| |
| public Object evaluate(Message message) { |
| return Boolean.valueOf(message.isRedelivered()); |
| } |
| }); |
| JMS_PROPERTY_EXPRESSIONS.put("JMSXDeliveryCount", new SubExpression() { |
| |
| public Object evaluate(Message message) { |
| return Integer.valueOf(message.getRedeliveryCounter() + 1); |
| } |
| }); |
| JMS_PROPERTY_EXPRESSIONS.put("JMSXGroupID", new SubExpression() { |
| |
| public Object evaluate(Message message) { |
| return message.getGroupID(); |
| } |
| }); |
| JMS_PROPERTY_EXPRESSIONS.put("JMSXGroupSeq", new SubExpression() { |
| |
| public Object evaluate(Message message) { |
| return new Integer(message.getGroupSequence()); |
| } |
| }); |
| JMS_PROPERTY_EXPRESSIONS.put("JMSXProducerTXID", new SubExpression() { |
| |
| public Object evaluate(Message message) { |
| TransactionId txId = message.getOriginalTransactionId(); |
| if (txId == null) { |
| txId = message.getTransactionId(); |
| } |
| if (txId == null) { |
| return null; |
| } |
| return new Integer(txId.toString()); |
| } |
| }); |
| JMS_PROPERTY_EXPRESSIONS.put("JMSActiveMQBrokerInTime", new SubExpression() { |
| |
| public Object evaluate(Message message) { |
| return Long.valueOf(message.getBrokerInTime()); |
| } |
| }); |
| JMS_PROPERTY_EXPRESSIONS.put("JMSActiveMQBrokerOutTime", new SubExpression() { |
| |
| public Object evaluate(Message message) { |
| return Long.valueOf(message.getBrokerOutTime()); |
| } |
| }); |
| } |
| |
| private final String name; |
| private final SubExpression jmsPropertyExpression; |
| |
| public PropertyExpression(String name) { |
| this.name = name; |
| jmsPropertyExpression = JMS_PROPERTY_EXPRESSIONS.get(name); |
| } |
| |
| public Object evaluate(MessageEvaluationContext message) throws JMSException { |
| try { |
| if (message.isDropped()) { |
| return null; |
| } |
| |
| if (jmsPropertyExpression != null) { |
| return jmsPropertyExpression.evaluate(message.getMessage()); |
| } |
| try { |
| return message.getMessage().getProperty(name); |
| } catch (IOException ioe) { |
| throw JMSExceptionSupport.create("Could not get property: " + name + " reason: " + ioe.getMessage(), ioe); |
| } |
| } catch (IOException e) { |
| throw JMSExceptionSupport.create(e); |
| } |
| |
| } |
| |
| public Object evaluate(Message message) throws JMSException { |
| if (jmsPropertyExpression != null) { |
| return jmsPropertyExpression.evaluate(message); |
| } |
| try { |
| return message.getProperty(name); |
| } catch (IOException ioe) { |
| throw JMSExceptionSupport.create(ioe); |
| } |
| } |
| |
| 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); |
| |
| } |
| |
| } |