Commons Modeler example source code file (JmxSet.java)

This example Commons Modeler source code file (JmxSet.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Commons Modeler tags/keywords

attribute, discovered, jmxset, jmxset, log, management, mbeanserver, object, object, objectname, objectname, registry, setting, string, string

The Commons Modeler JmxSet.java source code

/*
 * 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.commons.modeler.ant;

import javax.management.Attribute;
import javax.management.MBeanServer;
import javax.management.ObjectName;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.commons.modeler.Registry;
import org.apache.tools.ant.Task;

/**
 * Set mbean properties.
 *
 */
public class JmxSet extends Task {
    private static Log log = LogFactory.getLog(JmxSet.class);

    String attribute;
    String value;
    String valueRef;
    Object objValue;
    String objectName;
    ObjectName oname;
    String type;


    public JmxSet() {
    }

    public void setAttribute(String attribute) {
        this.attribute = attribute;
    }

    public void setName( String name ) {
        this.attribute=name;
    }

    public String getName() {
        return attribute;
    }

    public void setValue(String value) {
        this.value = value;
    }

    public void addText( String value ) {
        this.value=value;
    }

    public void setValueRef(String valueRef) {
        this.valueRef = valueRef;
    }

    public void setType(String type) {
        this.type = type;
    }

    public void setObjValue(Object objValue) {
        this.objValue = objValue;
    }

    public void setObjectName(String name) {
        this.objectName = name;
    }

    public void setObjectName( ObjectName oname ) {
        this.oname=oname;
    }

    public void execute() {
        try {
            Registry registry=Registry.getRegistry();
            MBeanServer server=registry.getMBeanServer();

            if( oname==null )
                oname=new ObjectName(objectName);
            if( type==null ) {
                type=registry.getType(oname, attribute);
                if( log.isDebugEnabled())
                    log.debug("Discovered type " + type);
            }

            // XXX convert value, use meta data to find type
             if( objValue==null && valueRef != null ) {
                 objValue=project.getReference(valueRef);
             }
             if( objValue==null ) {
                 objValue=registry.convertValue(type, value);

             }
            if( log.isDebugEnabled())
                log.debug("Setting " + oname + " " + attribute + " " +
                        objValue);
            server.setAttribute(oname, new Attribute(attribute, objValue));

        } catch(Exception ex) {
            ex.printStackTrace();
        }
    }

}