Java tutorial
/* * Copyright 2016 Intuit * * Licensed 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 com.intuit.data.autumn.manage; import com.google.common.collect.ImmutableMap; import com.google.inject.Inject; import org.slf4j.Logger; import javax.management.*; import java.util.Hashtable; import static java.lang.String.format; import static org.slf4j.LoggerFactory.getLogger; /** * A MessageBean object registration utility. */ public class MBeanRegistry { private static final Logger LOGGER = getLogger(MBeanRegistry.class); private final MBeanServer server; /** * Constructor with configurable state. * * @param server registry server */ @Inject public MBeanRegistry(MBeanServer server) { this.server = server; } /** * MBean instance registration service. * * @param o mbean instance * @param name mbean name */ public void register(final Object o, final String name) { String packageName = o.getClass().getPackage().getName(); ImmutableMap<String, String> attributes = new ImmutableMap.Builder<String, String>().put("name", name) .put("type", o.getClass().getSimpleName()).build(); try { ObjectName objectName = new ObjectName(packageName, new Hashtable<>(attributes)); server.registerMBean(o, objectName); } catch (MalformedObjectNameException e) { LOGGER.warn(format("invalid object name: %s, cause: %s", name, e.getMessage()), e); } catch (NotCompliantMBeanException e) { LOGGER.warn(format("non-compliant mxbean: %s, cause: %s", name, e.getMessage()), e); } catch (InstanceAlreadyExistsException e) { LOGGER.warn(format("mxbean already exists by name: %s, cause: %s", name, e.getMessage()), e); } catch (MBeanRegistrationException e) { LOGGER.warn(format("unable to register mxbean name: %s, cause: %s", name, e.getMessage()), e); } } }