/*
* RHQ Management Platform
* Copyright (C) 2005-2008 Red Hat, Inc.
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
package org.rhq.enterprise.communications.command.impl.echo.server;
import java.io.InputStream;
import java.io.OutputStream;
import org.rhq.enterprise.communications.command.Command;
import org.rhq.enterprise.communications.command.CommandExecutor;
import org.rhq.enterprise.communications.command.CommandResponse;
import org.rhq.enterprise.communications.command.CommandType;
import org.rhq.enterprise.communications.command.impl.echo.EchoCommand;
import org.rhq.enterprise.communications.command.impl.echo.EchoCommandResponse;
import org.rhq.enterprise.communications.command.server.CommandService;
import org.rhq.enterprise.communications.command.server.CommandServiceMBean;
/**
* Performs the {@link EchoCommand echo command} which will simply return the received message, with an optional prefix.
* This is used mainly for testing and debugging of connectivity to the command processor.
*
* @author John Mazzitelli
*/
public class EchoCommandService extends CommandService {
/**
* @see CommandExecutor#execute(Command, java.io.InputStream, java.io.OutputStream)
*/
public CommandResponse execute(Command command, InputStream in, OutputStream out) {
EchoCommand echoCommand = new EchoCommand(command);
String msg = echoCommand.getMessage();
String prefix = echoCommand.getPrefix();
if (msg == null) {
msg = "<null echo message>";
}
if (prefix != null) {
msg = prefix + msg;
}
return new EchoCommandResponse(echoCommand, msg);
}
/**
* Supports {@link EchoCommand#COMMAND_TYPE}.
*
* @see CommandServiceMBean#getSupportedCommandTypes()
*/
public CommandType[] getSupportedCommandTypes() {
return new CommandType[] { EchoCommand.COMMAND_TYPE };
}
}