134 lines
4.8 KiB
Java
134 lines
4.8 KiB
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.catalina.mbeans;
|
|
|
|
import javax.management.Attribute;
|
|
import javax.management.AttributeNotFoundException;
|
|
import javax.management.MBeanException;
|
|
import javax.management.ReflectionException;
|
|
import javax.management.RuntimeOperationsException;
|
|
|
|
import org.apache.tomcat.util.descriptor.web.ContextResourceLink;
|
|
import org.apache.tomcat.util.descriptor.web.NamingResources;
|
|
|
|
/**
|
|
* <p>A <strong>ModelMBean</strong> implementation for the
|
|
* <code>org.apache.tomcat.util.descriptor.web.ContextResourceLink</code> component.</p>
|
|
*
|
|
* @author Amy Roh
|
|
*/
|
|
public class ContextResourceLinkMBean extends BaseCatalinaMBean<ContextResourceLink> {
|
|
|
|
/**
|
|
* 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");
|
|
}
|
|
|
|
ContextResourceLink cl = doGetManagedResource();
|
|
|
|
String value = null;
|
|
if ("global".equals(name)) {
|
|
return cl.getGlobal();
|
|
} else if ("description".equals(name)) {
|
|
return cl.getDescription();
|
|
} else if ("name".equals(name)) {
|
|
return cl.getName();
|
|
} else if ("type".equals(name)) {
|
|
return cl.getType();
|
|
} else {
|
|
value = (String) cl.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");
|
|
}
|
|
|
|
ContextResourceLink crl = doGetManagedResource();
|
|
|
|
if ("global".equals(name)) {
|
|
crl.setGlobal((String) value);
|
|
} else if ("description".equals(name)) {
|
|
crl.setDescription((String) value);
|
|
} else if ("name".equals(name)) {
|
|
crl.setName((String) value);
|
|
} else if ("type".equals(name)) {
|
|
crl.setType((String) value);
|
|
} else {
|
|
crl.setProperty(name, "" + value);
|
|
}
|
|
|
|
// cannot use side-effects. 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);
|
|
}
|
|
}
|