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The ActiveMQ Message Broker and Client implementations
/**
* 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;
import java.io.IOException;
import java.net.URI;
import org.apache.activemq.util.FactoryFinder;
import org.apache.activemq.util.IOExceptionSupport;
/**
* A helper class to create a fully configured broker service using a URI. The
* list of currently supported URI syntaxes is described here
*
* @version $Revision$
*/
public final class BrokerFactory {
private static final FactoryFinder BROKER_FACTORY_HANDLER_FINDER = new FactoryFinder("META-INF/services/org/apache/activemq/broker/");
private BrokerFactory() {
}
public static BrokerFactoryHandler createBrokerFactoryHandler(String type) throws IOException {
try {
return (BrokerFactoryHandler)BROKER_FACTORY_HANDLER_FINDER.newInstance(type);
} catch (Throwable e) {
throw IOExceptionSupport.create("Could not load " + type + " factory:" + e, e);
}
}
/**
* Creates a broker from a URI configuration
*
* @param brokerURI the URI scheme to configure the broker
* @throws Exception
*/
public static BrokerService createBroker(URI brokerURI) throws Exception {
return createBroker(brokerURI, false);
}
/**
* Creates a broker from a URI configuration
*
* @param brokerURI the URI scheme to configure the broker
* @param startBroker whether or not the broker should have its
* {@link BrokerService#start()} method called after
* construction
* @throws Exception
*/
public static BrokerService createBroker(URI brokerURI, boolean startBroker) throws Exception {
if (brokerURI.getScheme() == null) {
throw new IllegalArgumentException("Invalid broker URI, no scheme specified: " + brokerURI);
}
BrokerFactoryHandler handler = createBrokerFactoryHandler(brokerURI.getScheme());
BrokerService broker = handler.createBroker(brokerURI);
if (startBroker) {
broker.start();
}
return broker;
}
/**
* Creates a broker from a URI configuration
*
* @param brokerURI the URI scheme to configure the broker
* @throws Exception
*/
public static BrokerService createBroker(String brokerURI) throws Exception {
return createBroker(new URI(brokerURI));
}
/**
* Creates a broker from a URI configuration
*
* @param brokerURI the URI scheme to configure the broker
* @param startBroker whether or not the broker should have its
* {@link BrokerService#start()} method called after
* construction
* @throws Exception
*/
public static BrokerService createBroker(String brokerURI, boolean startBroker) throws Exception {
return createBroker(new URI(brokerURI), startBroker);
}
}