/**
* 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.cxf.transport.jms;
import java.util.concurrent.Executor;
import java.util.concurrent.Executors;
import javax.jms.Connection;
import javax.jms.ConnectionFactory;
import javax.jms.JMSException;
import javax.naming.NamingException;
import org.apache.cxf.Bus;
import org.apache.cxf.transport.jms.util.JMSSender;
import org.apache.cxf.transport.jms.util.JndiHelper;
import org.apache.cxf.workqueue.AutomaticWorkQueue;
import org.apache.cxf.workqueue.WorkQueue;
import org.apache.cxf.workqueue.WorkQueueManager;
/**
* Factory to create jms helper objects from configuration and context information
*/
public final class JMSFactory {
static final String MESSAGE_ENDPOINT_FACTORY = "MessageEndpointFactory";
static final String MDB_TRANSACTED_METHOD = "MDBTransactedMethod";
//private static final Logger LOG = LogUtils.getL7dLogger(JMSFactory.class);
private JMSFactory() {
}
/**
* Retrieve connection factory from JNDI
*
* @param jmsConfig
* @param jndiConfig
* @return
*/
static ConnectionFactory getConnectionFactoryFromJndi(JMSConfiguration jmsConfig) {
if (jmsConfig.getJndiEnvironment() == null || jmsConfig.getConnectionFactoryName() == null) {
return null;
}
try {
ConnectionFactory cf = new JndiHelper(jmsConfig.getJndiEnvironment()).
lookup(jmsConfig.getConnectionFactoryName(), ConnectionFactory.class);
return cf;
} catch (NamingException e) {
throw new RuntimeException(e);
}
}
/**
* Create JmsSender from configuration information. Most settings are taken from jmsConfig. The QoS
* settings in messageProperties override the settings from jmsConfig
*
* @param jmsConfig configuration information
* @param messageProperties context headers override config settings
* @return
*/
public static JMSSender createJmsSender(JMSConfiguration jmsConfig,
JMSMessageHeadersType messageProperties) {
JMSSender sender = new JMSSender();
long timeToLive = (messageProperties != null && messageProperties.isSetTimeToLive())
? messageProperties.getTimeToLive() : jmsConfig.getTimeToLive();
sender.setTimeToLive(timeToLive);
int priority = (messageProperties != null && messageProperties.isSetJMSPriority())
? messageProperties.getJMSPriority() : jmsConfig.getPriority();
sender.setPriority(priority);
int deliveryMode = (messageProperties != null && messageProperties.isSetJMSDeliveryMode())
? messageProperties.getJMSDeliveryMode() : jmsConfig.getDeliveryMode();
sender.setDeliveryMode(deliveryMode);
sender.setExplicitQosEnabled(jmsConfig.isExplicitQosEnabled());
return sender;
}
static String getMessageSelector(JMSConfiguration jmsConfig, String conduitId) {
String staticSelectorPrefix = jmsConfig.getConduitSelectorPrefix();
String conduitIdSt = jmsConfig.isUseConduitIdSelector() && conduitId != null ? conduitId : "";
String correlationIdPrefix = staticSelectorPrefix + conduitIdSt;
return correlationIdPrefix.isEmpty() ? null : "JMSCorrelationID LIKE '" + correlationIdPrefix + "%'";
}
public static Connection createConnection(JMSConfiguration jmsConfig) throws JMSException {
String username = jmsConfig.getUserName();
ConnectionFactory cf = jmsConfig.getConnectionFactory();
Connection connection = username != null
? cf.createConnection(username, jmsConfig.getPassword())
: cf.createConnection();
if (jmsConfig.getDurableSubscriptionClientId() != null) {
connection.setClientID(jmsConfig.getDurableSubscriptionClientId());
}
return connection;
}
/**
* Get workqueue from workqueue manager. Return an executor that will never reject messages and
* instead block when all threads are used.
*
* @param bus
* @param name
* @return
*/
public static Executor createExecutor(Bus bus, String name) {
WorkQueueManager manager = bus.getExtension(WorkQueueManager.class);
if (manager != null) {
AutomaticWorkQueue workQueue1 = manager.getNamedWorkQueue(name);
final WorkQueue workQueue = (workQueue1 == null) ? manager.getAutomaticWorkQueue() : workQueue1;
return new Executor() {
@Override
public void execute(Runnable command) {
workQueue.execute(command, 0);
}
};
} else {
return Executors.newFixedThreadPool(20);
}
}
}