package org.jolokia.request;
/*
* Copyright 2009-2013 Roland Huss
*
* 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.
*/
import java.util.*;
import javax.management.MalformedObjectNameException;
import org.jolokia.config.ProcessingParameters;
import org.jolokia.converter.object.StringToObjectConverter;
import org.jolokia.util.RequestType;
import org.json.simple.JSONObject;
/**
* A JMX request for <code>exec</code> operations, i.e. for executing JMX operations
* on MBeans.
*
* @author roland
* @since 15.03.11
*/
public class JmxExecRequest extends JmxObjectNameRequest {
// Name of operation to execute
private String operation;
// List of arguments for the operation to execute. Can be either already of the
// proper type or, if not, in a string representation.
private List arguments;
/**
* Constructor for creating a JmxRequest resulting from an HTTP GET request
*
* @param pObjectName name of MBean to execute the operation upon. Must not be null.
* @param pOperation name of the operation to execute. Must not be null.
* @param pArguments arguments to to used for executing the request. Can be null
* @param pParams optional params used for processing the request.
* @throws MalformedObjectNameException if the object name is not in proper format
*/
JmxExecRequest(String pObjectName,String pOperation,List pArguments,
ProcessingParameters pParams) throws MalformedObjectNameException {
super(RequestType.EXEC, pObjectName, null /* path is not supported for exec requests */, pParams);
operation = pOperation;
arguments = pArguments;
}
/**
* Constructor for creating a JmxRequest resulting from an HTTP POST request
*
* @param pRequestMap request in object format
* @param pParams optional processing parameters
* @throws MalformedObjectNameException if the object name is not in proper format
*/
JmxExecRequest(Map<String, ?> pRequestMap, ProcessingParameters pParams) throws MalformedObjectNameException {
super(pRequestMap, pParams);
arguments = (List) pRequestMap.get("arguments");
operation = (String) pRequestMap.get("operation");
}
/**
* Get the operation name
*
* @return the operation name for this exec request
*/
public String getOperation() {
return operation;
}
/**
* Get arguments or null if no arguments are given
*
* @return arguments
*/
public List getArguments() {
return arguments;
}
/**
* Return this request in a proper JSON representation
* @return this object in a JSON representation
*/
public JSONObject toJSON() {
JSONObject ret = super.toJSON();
if (arguments != null && arguments.size() > 0) {
ret.put("arguments", arguments);
}
ret.put("operation", operation);
return ret;
}
// =================================================================================
/**
* Creator for {@link JmxExecRequest}s
*
* @return the creator implementation
*/
static RequestCreator<JmxExecRequest> newCreator() {
return new RequestCreator<JmxExecRequest>() {
/** {@inheritDoc} */
public JmxExecRequest create(Stack<String> pStack, ProcessingParameters pParams) throws MalformedObjectNameException {
return new JmxExecRequest(
pStack.pop(), // Object name
pStack.pop(), // Operation name
convertSpecialStringTags(prepareExtraArgs(pStack)), // arguments
pParams);
}
/** {@inheritDoc} */
public JmxExecRequest create(Map<String, ?> requestMap, ProcessingParameters pParams)
throws MalformedObjectNameException {
return new JmxExecRequest(requestMap,pParams);
}
};
}
// Conver string tags if required
private static List<String> convertSpecialStringTags(List<String> extraArgs) {
if (extraArgs == null) {
return null;
}
List<String> args = new ArrayList<String>();
for (String arg : extraArgs) {
args.add(StringToObjectConverter.convertSpecialStringTags(arg));
}
return args;
}
@Override
public String toString() {
StringBuffer ret = new StringBuffer("JmxExecRequest[");
ret.append("operation=").append(getOperation());
if (arguments != null && arguments.size() > 0) {
ret.append(", arguments=").append(getArguments());
}
String baseInfo = getInfo();
if (baseInfo != null) {
ret.append(", ").append(baseInfo);
}
ret.append("]");
return ret.toString();
}
}