/*
* 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.felix.mosgi.jmx.httpconnector.mx4j.tools.adaptor.http;
import javax.management.ObjectName;
import javax.management.JMException;
import javax.management.MalformedObjectNameException;
import javax.management.MBeanInfo;
import javax.management.Attribute;
import javax.management.MBeanAttributeInfo;
import java.io.IOException;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
/**
* SetAttributeCommandProcessor, processes a request for setting one attribute
* in one MBean
*
* @author <a href="mailto:tibu@users.sourceforge.net">Carlos Quiroz</a>
* @version $Revision: 1.1.1.1 $
*/
public class SetAttributeCommandProcessor extends HttpCommandProcessorAdaptor
{
public SetAttributeCommandProcessor()
{
}
public Document executeRequest(HttpInputStream in) throws IOException, JMException
{
Document document = builder.newDocument();
Element root = document.createElement("MBeanOperation");
document.appendChild(root);
Element operationElement = document.createElement("Operation");
operationElement.setAttribute("operation", "setattribute");
root.appendChild(operationElement);
String objectVariable = in.getVariable("objectname");
String attributeVariable = in.getVariable("attribute");
String valueVariable = in.getVariable("value");
if (objectVariable == null || objectVariable.equals("") ||
attributeVariable == null || attributeVariable.equals("") ||
valueVariable == null)
{
operationElement.setAttribute("result", "error");
operationElement.setAttribute("errorMsg", "Incorrect parameters in the request");
return document;
}
operationElement.setAttribute("objectname", objectVariable);
ObjectName name = null;
try
{
name = new ObjectName(objectVariable);
}
catch (MalformedObjectNameException e)
{
operationElement.setAttribute("result", "error");
operationElement.setAttribute("errorMsg", "Malformed object name");
return document;
}
if (server.isRegistered(name))
{
MBeanInfo info = server.getMBeanInfo(name);
MBeanAttributeInfo[] attributes = info.getAttributes();
MBeanAttributeInfo targetAttribute = null;
if (attributes != null)
{
for (int i=0;i<attributes.length;i++)
{
if (attributes[i].getName().equals(attributeVariable))
{
targetAttribute = attributes[i];
break;
}
}
}
if (targetAttribute != null)
{
String type = targetAttribute.getType();
Object value = null;
if (valueVariable != null)
{
try
{
value = CommandProcessorUtil.createParameterValue(type, valueVariable);
}
catch (Exception e)
{
operationElement.setAttribute("result", "error");
operationElement.setAttribute("errorMsg", "Value: " + valueVariable + " could not be converted to " + type);
}
if (value != null)
{
try
{
server.setAttribute(name, new Attribute(attributeVariable, value));
operationElement.setAttribute("result", "success");
}
catch (Exception e)
{
operationElement.setAttribute("result", "error");
operationElement.setAttribute("errorMsg", e.getMessage());
}
}
}
}
else
{
operationElement.setAttribute("result", "error");
operationElement.setAttribute("errorMsg", "Attribute " + attributeVariable + " not found");
}
}
else
{
if (name != null)
{
operationElement.setAttribute("result", "error");
operationElement.setAttribute("errorMsg", "MBean " + name + " not registered");
}
}
return document;
}
}