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/*
*
* 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.qpid;
import java.util.HashMap;
import java.util.Map;
import org.apache.qpid.utils.JMXinfo;
public class CommandExecutionEngine
{
private static Map<String, Class<? extends Command>> _commands = new HashMap<String, Class<? extends Command>>();
private Command currentcommand = null;
private String commandname = null;
private JMXinfo info = null;
public CommandExecutionEngine(JMXinfo info)
{
this.info = info;
this.commandname = info.getCommandLineOptionParser().getcommandname();
}
public boolean CommandSelector() throws Exception
{
Class<? extends Command> commandClass = _commands.get(this.commandname);
if (commandClass != null)
{
Class<?> parameterTypes = JMXinfo.class;
currentcommand = (Command) commandClass.getConstructor(parameterTypes).newInstance(info);
}
else
{
usage();
return false;
}
return true;
}
public static void addCommand(String name, Class<? extends Command> newCommand)
{
_commands.put(name, newCommand);
}
public static Map<String, Class<? extends Command>> getCommands()
{
return _commands;
}
public void runcommand()
{
currentcommand.execute();
}
public void usage()
{
System.out.println(commandname + ":Command not found");
}
}
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