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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.activemq.artemis.api.jms;

import jakarta.jms.Queue;
import jakarta.jms.Topic;

import org.apache.activemq.artemis.api.core.DiscoveryGroupConfiguration;
import org.apache.activemq.artemis.api.core.TransportConfiguration;
import org.apache.activemq.artemis.core.protocol.core.impl.PacketImpl;
import org.apache.activemq.artemis.jms.client.ActiveMQConnectionFactory;
import org.apache.activemq.artemis.jms.client.ActiveMQDestination;
import org.apache.activemq.artemis.uri.ConnectionFactoryParser;
import org.apache.activemq.artemis.utils.ClassloadingUtil;
import org.apache.activemq.artemis.shaded.org.jboss.logging.Logger;

/**
 * A utility class for creating ActiveMQ Artemis client-side JMS managed resources.
 */
public class ActiveMQJMSClient {
   private static final Logger logger = Logger.getLogger(ActiveMQJMSClient.class);

   public static final boolean DEFAULT_ENABLE_1X_PREFIXES;


   static {

      String value1X = System.getProperty(ActiveMQJMSClient.class.getName() + ".enable1xPrefixes");

      if (value1X == null) {
         value1X = ClassloadingUtil.loadProperty(ActiveMQJMSClient.class.getClassLoader(), ActiveMQJMSClient.class.getName() + ".properties", "enable1xPrefixes");
      }

      boolean prefixes = false;


      if (value1X != null) {
         try {
            prefixes = Boolean.parseBoolean(value1X);
         } catch (Throwable e) {
            logger.warn(e);
         }
      }
      DEFAULT_ENABLE_1X_PREFIXES = prefixes;
   }

   /**
    * Creates an ActiveMQConnectionFactory;
    *
    * @return the ActiveMQConnectionFactory
    */
   public static ActiveMQConnectionFactory createConnectionFactory(final String url, String name) throws Exception {
      ConnectionFactoryParser parser = new ConnectionFactoryParser();
      return parser.newObject(parser.expandURI(url), name);
   }

   /**
    * Creates an ActiveMQConnectionFactory that receives cluster topology updates from the cluster as
    * servers leave or join and new backups are appointed or removed.
    * 

* The discoveryAddress and discoveryPort parameters in this method are used to listen for UDP * broadcasts which contain connection information for members of the cluster. The broadcasted * connection information is simply used to make an initial connection to the cluster, once that * connection is made, up to date cluster topology information is downloaded and automatically * updated whenever the cluster topology changes. If the topology includes backup servers that * information is also propagated to the client so that it can know which server to failover onto * in case of live server failure. * * @param groupConfiguration * @param jmsFactoryType * @return the ActiveMQConnectionFactory */ public static ActiveMQConnectionFactory createConnectionFactoryWithHA(final DiscoveryGroupConfiguration groupConfiguration, JMSFactoryType jmsFactoryType) { return jmsFactoryType.createConnectionFactoryWithHA(groupConfiguration); } /** * Create an ActiveMQConnectionFactory which creates session factories from a set of live servers, no HA backup information is propagated to the client * * The UDP address and port are used to listen for live servers in the cluster * * @param groupConfiguration * @param jmsFactoryType * @return the ActiveMQConnectionFactory */ public static ActiveMQConnectionFactory createConnectionFactoryWithoutHA(final DiscoveryGroupConfiguration groupConfiguration, JMSFactoryType jmsFactoryType) { return jmsFactoryType.createConnectionFactoryWithoutHA(groupConfiguration); } /** * Create an ActiveMQConnectionFactory which will receive cluster topology updates from the cluster * as servers leave or join and new backups are appointed or removed. *

* The initial list of servers supplied in this method is simply to make an initial connection to * the cluster, once that connection is made, up to date cluster topology information is * downloaded and automatically updated whenever the cluster topology changes. If the topology * includes backup servers that information is also propagated to the client so that it can know * which server to failover onto in case of live server failure. * * @param jmsFactoryType * @param initialServers The initial set of servers used to make a connection to the cluster. * Each one is tried in turn until a successful connection is made. Once a connection * is made, the cluster topology is downloaded and the rest of the list is ignored. * @return the ActiveMQConnectionFactory */ public static ActiveMQConnectionFactory createConnectionFactoryWithHA(JMSFactoryType jmsFactoryType, final TransportConfiguration... initialServers) { return jmsFactoryType.createConnectionFactoryWithHA(initialServers); } /** * Create an ActiveMQConnectionFactory which creates session factories using a static list of * transportConfigurations. *

* The ActiveMQConnectionFactory is not updated automatically as the cluster topology changes, and * no HA backup information is propagated to the client * * @param jmsFactoryType * @param transportConfigurations * @return the ActiveMQConnectionFactory */ public static ActiveMQConnectionFactory createConnectionFactoryWithoutHA(JMSFactoryType jmsFactoryType, final TransportConfiguration... transportConfigurations) { return jmsFactoryType.createConnectionFactoryWithoutHA(transportConfigurations); } /** * Creates a client-side representation of a JMS Topic. * * This method is deprecated. Use {@link org.apache.activemq.artemis.jms.client.ActiveMQSession#createTopic(String)} as that method will know the proper * prefix used at the target server. * * @param name the name of the topic * @return The Topic */ @Deprecated public static Topic createTopic(final String name) { if (DEFAULT_ENABLE_1X_PREFIXES) { return ActiveMQDestination.createTopic(PacketImpl.OLD_TOPIC_PREFIX + name, name); } else { return ActiveMQDestination.createTopic(name); } } /** * Creates a client-side representation of a JMS Queue. * * This method is deprecated. Use {@link org.apache.activemq.artemis.jms.client.ActiveMQSession#createQueue(String)} (String)} as that method will know the proper * prefix used at the target server. * * * @param name the name of the queue * @return The Queue */ @Deprecated public static Queue createQueue(final String name) { if (DEFAULT_ENABLE_1X_PREFIXES) { return ActiveMQDestination.createQueue(PacketImpl.OLD_QUEUE_PREFIX + name, name); } else { return ActiveMQDestination.createQueue(name); } } private ActiveMQJMSClient() { // Utility class } }





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