/**
* Copyright 2004-2005 jManage.org
*
* 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.
*/
package org.jmanage.cmdui.commands;
import org.jmanage.cmdui.CommandHandler;
import org.jmanage.cmdui.HandlerContext;
import org.jmanage.cmdui.CommandConstants;
import org.jmanage.cmdui.util.CommandUtils;
import org.jmanage.cmdui.util.Out;
import org.jmanage.core.data.MBeanData;
import org.jmanage.core.services.MBeanService;
import org.jmanage.core.services.ServiceFactory;
import java.util.List;
/**
*
* date: Feb 23, 2005
* @author Rakesh Kalra
*/
public class QueryMBeansHandler implements CommandHandler {
/**
* Lists mbeans for the given application based on the filter (optional)
*
* @param context
* @return true if the command was handled properly; false otherwise
*/
public boolean execute(HandlerContext context) {
String[] args = context.getCommand().getArgs();
if(args.length != 1 && args.length != 2){
usage();
return false;
}
String appName = args[0];
String filter = null;
if(args.length > 1){
filter = args[1];
}
MBeanService mbeanService = ServiceFactory.getMBeanService();
List<MBeanData> mbeanDataList =
mbeanService.queryMBeans(context.getServiceContext(appName),
filter);
assert mbeanDataList != null;
CommandUtils.printMBeans(mbeanDataList);
return true;
}
public String getShortHelp() {
return "Queries mbeans for the given application";
}
public void help() {
Out.println(getShortHelp());
Out.println("Usage:");
Out.println(CommandConstants.QUERY_MBEANS + " <application name> [filter]");
}
private void usage(){
Out.println("Invalid arguments");
help();
}
}