ClientCommand.java

package com.evanram.code.java.dimchat_client;

import java.util.Arrays;

public class ClientCommand
{
	private String command;
	private String[] args;
	
	public ClientCommand(String command)
	{
		if(command.startsWith(".") && command.length() > 0)
			command = command.substring(1);
		
		this.command = command;
		
		formatCommandString();
		execute(this.command, args);
	}
	
	private void execute(String command, String[] args)
	{
		if("help".equals(command))
		{
			Message.log("Help", "These are client commands, send server commands with the \'!\' prefix.");
			Message.log("Help Commands", "Help, Info, Password, Version, Disconnect, Quit");
		}
		else if("info".equals(command))
		{
			Message.logInfo("Client Version: " + Client.getVersion().toString());
			Message.logInfo("Connected to " + Connections.address + ":" + Connections.port);
		}
		else if("password".equals(command) || "pswd".equals(command))
		{
			if(args.length > 0)
			{
				Client.getDimcrypt().setPassword(args[0]);
				Message.log("Encryption", "Changed encryption password.");
			}
			else
			{
				Message.log("Encryption", "Cleared encryption password.");
			}
		}
		else if("version".equals(command) || "ver".equals(command))
		{
			Message.log("Version", Client.getVersion().toString());
		}
		else if("disconnect".equals(command))
		{
			Message.logInfo("Disconnecting.");
			Client.newConnection();
		}
		else if("quit".equals(command))
		{
			System.exit(0);
		}
		else
		{
			Message.logError("Bad client command! Type \'.help\' for help.");
		}
	}
	
	private void formatCommandString()
	{
		if(command.length() > 1)
		{
			if(command.charAt(0) == '!')
				command = command.substring(1);
		}
		
		processArguments();
		
		command = command.toLowerCase();
	}
	
	private void processArguments()
	{
		command = command.replace("\\s+", "");
		String[] argsWithCmd = command.split(" ");	//arguments that contain command
		command = argsWithCmd[0];
		
		args = Arrays.copyOfRange(argsWithCmd, 1, argsWithCmd.length);	//remove command from args
	}
}