/* | |
* 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.servicemix.web.model; | |
import java.lang.ref.Reference; | |
import java.lang.ref.SoftReference; | |
import java.util.Map; | |
import java.util.concurrent.ConcurrentHashMap; | |
import javax.management.MBeanServerConnection; | |
import javax.management.MalformedObjectNameException; | |
import javax.management.ObjectName; | |
import org.springframework.jmx.access.MBeanProxyFactoryBean; | |
public class ProxyManager { | |
private final MBeanServerConnection server; | |
private final Map<ObjectName, Reference<Object>> proxies = new ConcurrentHashMap<ObjectName, Reference<Object>>(); | |
public ProxyManager(MBeanServerConnection server) { | |
this.server = server; | |
} | |
@SuppressWarnings("unchecked") | |
public<T> T getProxy(ObjectName name, Class<T> type) { | |
Reference r = proxies.get(name); | |
T proxy = (r != null) ? (T) r.get() : null; | |
if (proxy == null) { | |
MBeanProxyFactoryBean factory = new MBeanProxyFactoryBean(); | |
factory.setServer(server); | |
try { | |
factory.setObjectName(name); | |
} catch (MalformedObjectNameException e) { | |
throw new IllegalStateException(e); | |
} | |
factory.setProxyInterface(type); | |
factory.setUseStrictCasing(false); | |
factory.afterPropertiesSet(); | |
proxy = (T) factory.getObject(); | |
proxies.put(name, new SoftReference<Object>(proxy)); | |
} | |
return proxy; | |
} | |
} |