org.apache.activemq.broker.region.group.GroupFactoryFinder Maven / Gradle / Ivy
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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.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 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);
}
}
}