| /* |
| * 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.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.tomcat.util.descriptor.web.ContextResource; |
| import org.apache.tomcat.util.descriptor.web.NamingResources; |
| import org.apache.tomcat.util.modeler.BaseModelMBean; |
| |
| |
| /** |
| * <p>A <strong>ModelMBean</strong> implementation for the |
| * <code>org.apache.tomcat.util.descriptor.web.ContextResource</code> component.</p> |
| * |
| * @author Amy Roh |
| */ |
| public class ContextResourceMBean 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 ContextResourceMBean() |
| throws MBeanException, RuntimeOperationsException { |
| |
| super(); |
| |
| } |
| |
| |
| // ----------------------------------------------------- Instance Variables |
| |
| |
| // ------------------------------------------------------------- Attributes |
| |
| |
| /** |
| * Obtain and return the value of a specific attribute of this MBean. |
| * |
| * @param name Name of the requested attribute |
| * |
| * @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 |
| */ |
| @Override |
| public Object getAttribute(String name) |
| throws AttributeNotFoundException, MBeanException, |
| ReflectionException { |
| |
| // Validate the input parameters |
| if (name == null) |
| throw new RuntimeOperationsException |
| (new IllegalArgumentException("Attribute name is null"), |
| "Attribute name is null"); |
| |
| ContextResource cr = null; |
| try { |
| cr = (ContextResource) getManagedResource(); |
| } catch (InstanceNotFoundException e) { |
| throw new MBeanException(e); |
| } catch (InvalidTargetObjectTypeException e) { |
| throw new MBeanException(e); |
| } |
| |
| String value = null; |
| if ("auth".equals(name)) { |
| return (cr.getAuth()); |
| } else if ("description".equals(name)) { |
| return (cr.getDescription()); |
| } else if ("name".equals(name)) { |
| return (cr.getName()); |
| } else if ("scope".equals(name)) { |
| return (cr.getScope()); |
| } else if ("type".equals(name)) { |
| return (cr.getType()); |
| } else { |
| value = (String) cr.getProperty(name); |
| if (value == null) { |
| throw new AttributeNotFoundException |
| ("Cannot find attribute "+name); |
| } |
| } |
| |
| return value; |
| |
| } |
| |
| |
| /** |
| * 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 |
| */ |
| @Override |
| public void setAttribute(Attribute attribute) |
| throws AttributeNotFoundException, MBeanException, |
| ReflectionException { |
| |
| // Validate the input parameters |
| if (attribute == null) |
| throw new RuntimeOperationsException |
| (new IllegalArgumentException("Attribute is null"), |
| "Attribute is null"); |
| String name = attribute.getName(); |
| Object value = attribute.getValue(); |
| if (name == null) |
| throw new RuntimeOperationsException |
| (new IllegalArgumentException("Attribute name is null"), |
| "Attribute name is null"); |
| |
| ContextResource cr = null; |
| try { |
| cr = (ContextResource) getManagedResource(); |
| } catch (InstanceNotFoundException e) { |
| throw new MBeanException(e); |
| } catch (InvalidTargetObjectTypeException e) { |
| throw new MBeanException(e); |
| } |
| |
| if ("auth".equals(name)) { |
| cr.setAuth((String)value); |
| } else if ("description".equals(name)) { |
| cr.setDescription((String)value); |
| } else if ("name".equals(name)) { |
| cr.setName((String)value); |
| } else if ("scope".equals(name)) { |
| cr.setScope((String)value); |
| } else if ("type".equals(name)) { |
| cr.setType((String)value); |
| } else { |
| cr.setProperty(name, ""+value); |
| } |
| |
| // cannot use side-effects. It's removed and added back each time |
| // there is a modification in a resource. |
| NamingResources nr = cr.getNamingResources(); |
| nr.removeResource(cr.getName()); |
| nr.addResource(cr); |
| } |
| } |