| /* |
| * Copyright 2002,2004 The Apache Software Foundation. |
| * |
| * 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 org.apache.catalina.mbeans; |
| |
| |
| import javax.management.Attribute; |
| import javax.management.AttributeNotFoundException; |
| import javax.management.InstanceNotFoundException; |
| import javax.management.MBeanException; |
| import javax.management.ReflectionException; |
| import javax.management.RuntimeOperationsException; |
| import javax.management.modelmbean.InvalidTargetObjectTypeException; |
| |
| import org.apache.catalina.deploy.ContextResourceLink; |
| import org.apache.catalina.deploy.NamingResources; |
| import org.apache.commons.modeler.BaseModelMBean; |
| |
| |
| /** |
| * <p>A <strong>ModelMBean</strong> implementation for the |
| * <code>org.apache.catalina.deploy.ContextResourceLink</code> component.</p> |
| * |
| * @author Amy Roh |
| * @version $Revision$ $Date$ |
| */ |
| |
| public class ContextResourceLinkMBean extends BaseModelMBean { |
| |
| |
| // ----------------------------------------------------------- Constructors |
| |
| |
| /** |
| * Construct a <code>ModelMBean</code> with default |
| * <code>ModelMBeanInfo</code> information. |
| * |
| * @exception MBeanException if the initializer of an object |
| * throws an exception |
| * @exception RuntimeOperationsException if an IllegalArgumentException |
| * occurs |
| */ |
| public ContextResourceLinkMBean() |
| throws MBeanException, RuntimeOperationsException { |
| |
| super(); |
| |
| } |
| |
| |
| // ----------------------------------------------------- Instance Variables |
| |
| |
| // ------------------------------------------------------------- Attributes |
| |
| |
| /** |
| * Set the value of a specific attribute of this MBean. |
| * |
| * @param attribute The identification of the attribute to be set |
| * and the new value |
| * |
| * @exception AttributeNotFoundException if this attribute is not |
| * supported by this MBean |
| * @exception MBeanException if the initializer of an object |
| * throws an exception |
| * @exception ReflectionException if a Java reflection exception |
| * occurs when invoking the getter |
| */ |
| public void setAttribute(Attribute attribute) |
| throws AttributeNotFoundException, MBeanException, |
| ReflectionException { |
| |
| super.setAttribute(attribute); |
| |
| ContextResourceLink crl = null; |
| try { |
| crl = (ContextResourceLink) getManagedResource(); |
| } catch (InstanceNotFoundException e) { |
| throw new MBeanException(e); |
| } catch (InvalidTargetObjectTypeException e) { |
| throw new MBeanException(e); |
| } |
| |
| // cannot use side-efects. It's removed and added back each time |
| // there is a modification in a resource. |
| NamingResources nr = crl.getNamingResources(); |
| nr.removeResourceLink(crl.getName()); |
| nr.addResourceLink(crl); |
| } |
| |
| } |