/*
* 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.MBeanOperationInfo;
import javax.management.MBeanParameterInfo;
import java.io.IOException;
import java.util.List;
import java.util.ArrayList;
import java.util.Iterator;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
/**
* InvokeOperationCommandProcessor, processes a request for unregistering an MBean
*
* @author <a href="mailto:tibu@users.sourceforge.net">Carlos Quiroz</a>
* @version $Revision: 1.1.1.1 $
*/
public class InvokeOperationCommandProcessor extends HttpCommandProcessorAdaptor
{
public InvokeOperationCommandProcessor()
{
}
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", "invoke");
root.appendChild(operationElement);
String objectVariable = in.getVariable("objectname");
String operationVariable = in.getVariable("operation");
if (objectVariable == null || objectVariable.equals("")
|| operationVariable == null || operationVariable.equals(""))
{
operationElement.setAttribute("result", "error");
operationElement.setAttribute("errorMsg", "Incorrect parameters in the request");
return document;
}
operationElement.setAttribute("objectname", objectVariable);
List types = new ArrayList();
List values = new ArrayList();
int i=0;
boolean unmatchedParameters = false;
boolean valid = false;
do
{
String parameterType = in.getVariable("type"+i);
String parameterValue = in.getVariable("value"+i);
valid = (parameterType != null && parameterValue != null);
if (valid)
{
types.add(parameterType);
Object value = null;
try
{
value = CommandProcessorUtil.createParameterValue(parameterType, parameterValue);
}
catch (Exception e)
{
operationElement.setAttribute("result", "error");
operationElement.setAttribute("errorMsg", "Parameter " + i + ": " + parameterValue + " cannot be converted to type " + parameterType);
return document;
}
if (value != null)
{
values.add(value);
}
}
if (parameterType == null ^ parameterValue == null)
{
unmatchedParameters = true;
break;
}
i++;
}
while (valid);
if (objectVariable == null || objectVariable.equals("") ||
operationVariable == null || operationVariable.equals(""))
{
operationElement.setAttribute("result", "error");
operationElement.setAttribute("errorMsg", "Incorrect parameters in the request");
return document;
}
if (unmatchedParameters)
{
operationElement.setAttribute("result", "error");
operationElement.setAttribute("errorMsg", "count of parameter types doesn't match count of parameter values");
return document;
}
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);
MBeanOperationInfo[] operations = info.getOperations();
boolean match = false;
if (operations != null)
{
for (int j=0;j<operations.length;j++)
{
if (operations[j].getName().equals(operationVariable))
{
MBeanParameterInfo[] parameters = operations[j].getSignature();
if (parameters.length != types.size())
{
continue;
}
Iterator k = types.iterator();
boolean signatureMatch = true;
for (int p = 0;p<types.size();p++)
{
if (!parameters[p].getType().equals(k.next()))
{
signatureMatch = false;
break;
}
}
match = signatureMatch;
}
if (match)
{
break;
}
}
}
if (!match)
{
operationElement.setAttribute("result", "error");
operationElement.setAttribute("errorMsg", "Operation singature has no match in the MBean");
}
else
{
try
{
Object[] params = values.toArray();
String[] signature = new String[types.size()];
types.toArray(signature);
Object returnValue = server.invoke(name, operationVariable, params, signature);
operationElement.setAttribute("result", "success");
if (returnValue != null)
{
operationElement.setAttribute("returnclass", returnValue.getClass().getName());
operationElement.setAttribute("return", returnValue.toString());
} else
{
operationElement.setAttribute("returnclass", null);
operationElement.setAttribute("return", null);
}
}
catch (Exception e)
{
operationElement.setAttribute("result", "error");
operationElement.setAttribute("errorMsg", e.getMessage());
}
}
}
else
{
if (name != null)
{
operationElement.setAttribute("result", "error");
operationElement.setAttribute("errorMsg", new StringBuffer("MBean ").append(name).append(" not registered").toString());
}
}
return document;
}
}