/**
* 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.CommandConstants;
import org.jmanage.cmdui.CommandHandler;
import org.jmanage.cmdui.HandlerContext;
import org.jmanage.cmdui.util.CommandUtils;
import org.jmanage.cmdui.util.Out;
import org.jmanage.core.data.AttributeListData;
import org.jmanage.core.services.MBeanService;
import org.jmanage.core.services.ServiceContext;
import org.jmanage.core.services.ServiceFactory;
import org.jmanage.core.util.Expression;
/**
* Gets attribute values for given mbean.
*
* Date: Mar 13, 2005
* @author Rakesh Kalra
*/
public class GetHandler implements CommandHandler {
/**
*
* @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 == 0){
usage();
return false;
}
Expression expression = new Expression(args[0]);
/* get the values */
MBeanService service = ServiceFactory.getMBeanService();
String[] attributeNames = null;
if(args.length > 1){
attributeNames = new String[args.length - 1];
for(int i=0; i< attributeNames.length; i++){
attributeNames[i] = args[i+1];
}
}
ServiceContext serviceContext =
context.getServiceContext(expression.getAppName(),
expression.getMBeanName());
AttributeListData[] attributeValues = null;
if(attributeNames != null){
attributeValues = service.getAttributes(serviceContext,
attributeNames, true);
}else{
attributeValues = service.getAttributes(serviceContext);
}
CommandUtils.printAttributeLists(attributeValues);
return true;
}
public String getShortHelp() {
return "Gets attribute values for given mbean.";
}
public void help() {
Out.println(getShortHelp());
Out.println("Usage:");
Out.println(CommandConstants.GET +
" <application name>/<mbean name> [attribute1] [attribute2] ...");
Out.println();
Out.println("Examples:");
Out.println(CommandConstants.GET +
" myApp/myMBean");
Out.println(CommandConstants.GET +
" myApp/jmanage:name=TestMBean testAttr1 testAttr2");
}
/* TODO: we should probably move this to base class -rk */
private void usage(){
Out.println("Invalid arguments");
help();
}
}