| /** |
| * 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.openwire.jms.utils; |
| |
| import java.util.Arrays; |
| import java.util.HashMap; |
| import java.util.Map; |
| import java.util.Set; |
| |
| import javax.jms.Destination; |
| import javax.jms.JMSException; |
| |
| import org.apache.activemq.openwire.commands.OpenWireMessage; |
| import org.apache.activemq.openwire.commands.TransactionId; |
| |
| /** |
| * Utility class used to intercept calls to Message property gets and map the |
| * correct OpenWire fields to the property name being queried. |
| */ |
| public class OpenWireMessagePropertyGetter { |
| |
| private static final Map<String, PropertyGetter> PROPERTY_GETTERS = new HashMap<String, PropertyGetter>(); |
| |
| /** |
| * Interface for a Property Get intercepter object used to lookup JMS style |
| * properties that are part of the OpenWire Message object members or perform |
| * some needed conversion action before returned some named property. |
| */ |
| public interface PropertyGetter { |
| |
| /** |
| * Called when the names property is queried from an OpenWire Message object. |
| * |
| * @param message |
| * The message being acted upon. |
| * |
| * @return the correct property value from the given Message. |
| */ |
| Object getProperty(OpenWireMessage message); |
| } |
| |
| static { |
| PROPERTY_GETTERS.put("JMSDestination", new PropertyGetter() { |
| @Override |
| public Object getProperty(OpenWireMessage message) { |
| Destination dest = message.getOriginalDestination(); |
| if (dest == null) { |
| dest = message.getDestination(); |
| } |
| if (dest == null) { |
| return null; |
| } |
| return dest.toString(); |
| } |
| }); |
| PROPERTY_GETTERS.put("JMSReplyTo", new PropertyGetter() { |
| @Override |
| public Object getProperty(OpenWireMessage message) { |
| if (message.getReplyTo() == null) { |
| return null; |
| } |
| return message.getReplyTo().toString(); |
| } |
| }); |
| PROPERTY_GETTERS.put("JMSType", new PropertyGetter() { |
| @Override |
| public Object getProperty(OpenWireMessage message) { |
| return message.getType(); |
| } |
| }); |
| PROPERTY_GETTERS.put("JMSDeliveryMode", new PropertyGetter() { |
| @Override |
| public Object getProperty(OpenWireMessage message) { |
| return message.isPersistent() ? "PERSISTENT" : "NON_PERSISTENT"; |
| } |
| }); |
| PROPERTY_GETTERS.put("JMSPriority", new PropertyGetter() { |
| @Override |
| public Object getProperty(OpenWireMessage message) { |
| return Integer.valueOf(message.getPriority()); |
| } |
| }); |
| PROPERTY_GETTERS.put("JMSMessageID", new PropertyGetter() { |
| @Override |
| public Object getProperty(OpenWireMessage message) { |
| if (message.getMessageId() == null) { |
| return null; |
| } |
| return message.getMessageId().toString(); |
| } |
| }); |
| PROPERTY_GETTERS.put("JMSTimestamp", new PropertyGetter() { |
| @Override |
| public Object getProperty(OpenWireMessage message) { |
| return Long.valueOf(message.getTimestamp()); |
| } |
| }); |
| PROPERTY_GETTERS.put("JMSCorrelationID", new PropertyGetter() { |
| @Override |
| public Object getProperty(OpenWireMessage message) { |
| return message.getCorrelationId(); |
| } |
| }); |
| PROPERTY_GETTERS.put("JMSExpiration", new PropertyGetter() { |
| @Override |
| public Object getProperty(OpenWireMessage message) { |
| return Long.valueOf(message.getExpiration()); |
| } |
| }); |
| PROPERTY_GETTERS.put("JMSRedelivered", new PropertyGetter() { |
| @Override |
| public Object getProperty(OpenWireMessage message) { |
| return Boolean.valueOf(message.isRedelivered()); |
| } |
| }); |
| PROPERTY_GETTERS.put("JMSXDeliveryCount", new PropertyGetter() { |
| @Override |
| public Object getProperty(OpenWireMessage message) { |
| return Integer.valueOf(message.getRedeliveryCounter() + 1); |
| } |
| }); |
| PROPERTY_GETTERS.put("JMSXGroupID", new PropertyGetter() { |
| @Override |
| public Object getProperty(OpenWireMessage message) { |
| return message.getGroupId(); |
| } |
| }); |
| PROPERTY_GETTERS.put("JMSXUserID", new PropertyGetter() { |
| @Override |
| public Object getProperty(OpenWireMessage message) { |
| Object userId = message.getUserId(); |
| if (userId == null) { |
| try { |
| userId = message.getProperty("JMSXUserID"); |
| } catch (JMSException e) { |
| } |
| } |
| |
| return userId; |
| } |
| }); |
| PROPERTY_GETTERS.put("JMSXGroupSeq", new PropertyGetter() { |
| @Override |
| public Object getProperty(OpenWireMessage message) { |
| return new Integer(message.getGroupSequence()); |
| } |
| }); |
| PROPERTY_GETTERS.put("JMSXProducerTXID", new PropertyGetter() { |
| @Override |
| public Object getProperty(OpenWireMessage message) { |
| TransactionId txId = message.getOriginalTransactionId(); |
| if (txId == null) { |
| txId = message.getTransactionId(); |
| } |
| if (txId == null) { |
| return null; |
| } |
| return txId.toString(); |
| } |
| }); |
| PROPERTY_GETTERS.put("JMSActiveMQBrokerInTime", new PropertyGetter() { |
| @Override |
| public Object getProperty(OpenWireMessage message) { |
| return Long.valueOf(message.getBrokerInTime()); |
| } |
| }); |
| PROPERTY_GETTERS.put("JMSActiveMQBrokerOutTime", new PropertyGetter() { |
| @Override |
| public Object getProperty(OpenWireMessage message) { |
| return Long.valueOf(message.getBrokerOutTime()); |
| } |
| }); |
| PROPERTY_GETTERS.put("JMSActiveMQBrokerPath", new PropertyGetter() { |
| @Override |
| public Object getProperty(OpenWireMessage message) { |
| return Arrays.toString(message.getBrokerPath()); |
| } |
| }); |
| PROPERTY_GETTERS.put("JMSXGroupFirstForConsumer", new PropertyGetter() { |
| @Override |
| public Object getProperty(OpenWireMessage message) { |
| return Boolean.valueOf(message.isJMSXGroupFirstForConsumer()); |
| } |
| }); |
| PROPERTY_GETTERS.put("JMSXMimeType", new PropertyGetter() { |
| @Override |
| public Object getProperty(OpenWireMessage message) { |
| return String.valueOf(message.getMimeType()); |
| } |
| }); |
| } |
| |
| /** |
| * For each of the currently configured message property intercepter instance a |
| * string key value is inserted into an Set and returned. |
| * |
| * @return a Set<String> containing the names of all intercepted properties. |
| */ |
| public static Set<String> getPropertyNames() { |
| return PROPERTY_GETTERS.keySet(); |
| } |
| |
| /** |
| * Static get method that takes a property name and gets the value either via |
| * a registered property get object or through the OpenWireMessage getProperty |
| * method. |
| * |
| * @param message |
| * the OpenWireMessage instance to read from |
| * @param name |
| * the property name that is being requested. |
| * |
| * @return the correct value either mapped to an OpenWire attribute of a Message property. |
| * |
| * @throws JMSException if an error occurs while reading the defined property. |
| */ |
| public static Object getProperty(OpenWireMessage message, String name) throws JMSException { |
| Object value = null; |
| |
| PropertyGetter jmsPropertyExpression = PROPERTY_GETTERS.get(name); |
| if (jmsPropertyExpression != null) { |
| value = jmsPropertyExpression.getProperty(message); |
| } else { |
| value = message.getProperty(name); |
| } |
| |
| return value; |
| } |
| |
| /** |
| * Allows for the additional PropertyGetter instances to be added to the global set. |
| * |
| * @param propertyName |
| * The name of the Message property that will be intercepted. |
| * @param getter |
| * The PropertyGetter instance that should be used for the named property. |
| */ |
| public static void addPropertyGetter(String propertyName, PropertyGetter getter) { |
| PROPERTY_GETTERS.put(propertyName, getter); |
| } |
| |
| /** |
| * Given a property name, remove the configured getter that has been assigned to |
| * intercept the queries for that property value. |
| * |
| * @param propertyName |
| * The name of the Property Getter to remove. |
| * |
| * @return true if a getter was removed from the global set. |
| */ |
| public boolean removePropertyGetter(String propertyName) { |
| if (PROPERTY_GETTERS.remove(propertyName) != null) { |
| return true; |
| } |
| |
| return false; |
| } |
| |
| private final String name; |
| private final PropertyGetter jmsPropertyExpression; |
| |
| /** |
| * Creates an new property getter instance that is assigned to read the named value. |
| * |
| * @param name |
| * the property value that this getter is assigned to lookup. |
| */ |
| public OpenWireMessagePropertyGetter(String name) { |
| this.name = name; |
| jmsPropertyExpression = PROPERTY_GETTERS.get(name); |
| } |
| |
| /** |
| * Gets the correct property value from the OpenWireMessage instance based on |
| * the predefined property mappings. |
| * |
| * @param message |
| * the OpenWireMessage whose property is being read. |
| * |
| * @return the correct value either mapped to an OpenWire attribute of a Message property. |
| * |
| * @throws JMSException if an error occurs while reading the defined property. |
| */ |
| public Object get(OpenWireMessage message) throws JMSException { |
| if (jmsPropertyExpression != null) { |
| return jmsPropertyExpression.getProperty(message); |
| } |
| |
| return message.getProperty(name); |
| } |
| |
| /** |
| * @return the property name that is being intercepted for the OpenWireMessage. |
| */ |
| public String getName() { |
| return name; |
| } |
| |
| /** |
| * @see java.lang.Object#toString() |
| */ |
| @Override |
| public String toString() { |
| return name; |
| } |
| |
| /** |
| * @see java.lang.Object#hashCode() |
| */ |
| @Override |
| public int hashCode() { |
| return name.hashCode(); |
| } |
| |
| /** |
| * @see java.lang.Object#equals(java.lang.Object) |
| */ |
| @Override |
| public boolean equals(Object o) { |
| if (o == null || !this.getClass().equals(o.getClass())) { |
| return false; |
| } |
| return name.equals(((OpenWireMessagePropertyGetter) o).name); |
| } |
| } |