001    /**
002     * Copyright (c) 2000-2012 Liferay, Inc. All rights reserved.
003     *
004     * This library is free software; you can redistribute it and/or modify it under
005     * the terms of the GNU Lesser General Public License as published by the Free
006     * Software Foundation; either version 2.1 of the License, or (at your option)
007     * any later version.
008     *
009     * This library is distributed in the hope that it will be useful, but WITHOUT
010     * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
011     * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
012     * details.
013     */
014    
015    package com.liferay.portal.kernel.management.jmx;
016    
017    import com.liferay.portal.kernel.management.ManageActionException;
018    
019    import javax.management.Attribute;
020    import javax.management.MBeanServer;
021    import javax.management.ObjectName;
022    
023    /**
024     * @author Shuyang Zhou
025     */
026    public class SetAttributeAction extends BaseJMXManageAction<Void> {
027    
028            public SetAttributeAction(
029                    ObjectName objectName, String name, Object value) {
030    
031                    _objectName = objectName;
032                    _name = name;
033                    _value = value;
034            }
035    
036            public Void action() throws ManageActionException {
037                    try {
038                            MBeanServer mBeanServer = getMBeanServer();
039    
040                            mBeanServer.setAttribute(_objectName, new Attribute(_name, _value));
041    
042                            return null;
043                    }
044                    catch (Exception e) {
045                            throw new ManageActionException(e);
046                    }
047            }
048    
049            private String _name;
050            private ObjectName _objectName;
051            private Object _value;
052    
053    }