ManagedBus.java

/**
 * 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.cxf.bus;

import javax.management.JMException;
import javax.management.ObjectName;

import org.apache.cxf.Bus;
import org.apache.cxf.common.util.StringUtils;
import org.apache.cxf.management.ManagedComponent;
import org.apache.cxf.management.ManagementConstants;
import org.apache.cxf.management.annotation.ManagedOperation;
import org.apache.cxf.management.annotation.ManagedResource;

@ManagedResource(componentName = "Bus",
                 description = "Responsible for managing services.")

public class ManagedBus implements ManagedComponent {
    private static final String TYPE_VALUE = "Bus";
    private static final String INSTANCE_ID = "managed.bus.instance.id";
    private final Bus bus;

    public ManagedBus(Bus b) {
        bus = b;
    }

    @ManagedOperation
    public void shutdown(boolean wait) {
        bus.shutdown(wait);
    }

    public ObjectName getObjectName() throws JMException {
        String busId = bus.getId();
        StringBuilder buffer = new StringBuilder(ManagementConstants.DEFAULT_DOMAIN_NAME).append(':');
        buffer.append(ManagementConstants.BUS_ID_PROP).append('=').append(busId).append(',');
        buffer.append(ManagementConstants.TYPE_PROP).append('=').append(TYPE_VALUE).append(',');
        // Added the instance id to make the ObjectName unique
        String instanceId = (String)bus.getProperties().get(INSTANCE_ID);
        if (StringUtils.isEmpty(instanceId)) {
            instanceId = new StringBuilder().append(bus.hashCode()).toString();
        }
        buffer.append(ManagementConstants.INSTANCE_ID_PROP).append('=').append(instanceId);


        return new ObjectName(buffer.toString());
    }
}