| /** |
| * 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.broker.region.virtual; |
| |
| import javax.jms.InvalidSelectorException; |
| import javax.jms.JMSException; |
| |
| import org.apache.activemq.command.ActiveMQDestination; |
| import org.apache.activemq.filter.BooleanExpression; |
| import org.apache.activemq.filter.MessageEvaluationContext; |
| import org.apache.activemq.selector.SelectorParser; |
| |
| /** |
| * Represents a destination which is filtered using some predicate such as a selector |
| * so that messages are only dispatched to the destination if they match the filter. |
| * |
| * @org.apache.xbean.XBean |
| * |
| * |
| */ |
| public class FilteredDestination { |
| |
| private ActiveMQDestination destination; |
| private String selector; |
| private BooleanExpression filter; |
| |
| public boolean matches(MessageEvaluationContext context) throws JMSException { |
| BooleanExpression booleanExpression = getFilter(); |
| if (booleanExpression == null) { |
| return false; |
| } |
| return booleanExpression.matches(context); |
| } |
| |
| public ActiveMQDestination getDestination() { |
| return destination; |
| } |
| |
| /** |
| * The destination to send messages to if they match the filter |
| */ |
| public void setDestination(ActiveMQDestination destination) { |
| this.destination = destination; |
| } |
| |
| public String getSelector() { |
| return selector; |
| } |
| |
| /** |
| * Sets the JMS selector used to filter messages before forwarding them to this destination |
| */ |
| public void setSelector(String selector) throws InvalidSelectorException { |
| this.selector = selector; |
| setFilter(SelectorParser.parse(selector)); |
| } |
| |
| public BooleanExpression getFilter() { |
| return filter; |
| } |
| |
| public void setFilter(BooleanExpression filter) { |
| this.filter = filter; |
| } |
| |
| |
| /** |
| * Sets the destination property to the given queue name |
| */ |
| public void setQueue(String queue) { |
| setDestination(ActiveMQDestination.createDestination(queue, ActiveMQDestination.QUEUE_TYPE)); |
| } |
| |
| /** |
| * Sets the destination property to the given topic name |
| */ |
| public void setTopic(String topic) { |
| setDestination(ActiveMQDestination.createDestination(topic, ActiveMQDestination.TOPIC_TYPE)); |
| } |
| } |