/** * 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.region.group; import java.io.IOException; import java.util.Map; import org.apache.activemq.util.FactoryFinder; import org.apache.activemq.util.IOExceptionSupport; import org.apache.activemq.util.IntrospectionSupport; import org.apache.activemq.util.URISupport; public class GroupFactoryFinder { private static final FactoryFinder GROUP_FACTORY_FINDER = new FactoryFinder("META-INF/services/org/apache/activemq/groups/"); private GroupFactoryFinder() { } public static MessageGroupMapFactory createMessageGroupMapFactory(String type) throws IOException { try { Map<String,String> properties = null; String factoryType = type.trim(); int p = factoryType.indexOf('?'); if (p >= 0){ String propertiesString = factoryType.substring(p+1); factoryType = factoryType.substring(0,p); properties = URISupport.parseQuery(propertiesString); } MessageGroupMapFactory result = (MessageGroupMapFactory)GROUP_FACTORY_FINDER.newInstance(factoryType); if (properties != null && result != null){ IntrospectionSupport.setProperties(result,properties); } return result; } catch (Throwable e) { throw IOExceptionSupport.create("Could not load " + type + " factory:" + e, e); } } }