| /** |
| * 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 <a |
| * href="http://activemq.apache.org/how-do-i-embed-a-broker-inside-a-connection.html">here</a> |
| * |
| * |
| */ |
| 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); |
| } |
| |
| } |