commandparser.java

DTNSim2 is a simulator for Delay-Tolerant Networks (DTNs) written in Java. It is based on Sushant Ja

package simulator;

import java.util.ArrayList;

import util.CommandStatus;

public abstract class CommandParser extends EventSender
{
	public CommandParser(Network net)
	{
		super(net);
	}

	public CommandParser(CommandParser org)
	{
		super(org);
	}

	/**
	 * Parses a specified command with the specified parameters. Any file
	 * parameters are relative to path.
	 */
	abstract public CommandStatus parseCommandPart(ArrayList<String> part, String path);

	// TODO - Check which classes can provide additional information with this
	// method
	public String toDescString()
	{
		return toString();
	}

	public CommandStatus parseLocalCommand(String cmd, ArrayList<ArrayList<String>> args, String parentPath)
	{
		int i, s = args.size();
		CommandStatus ret;

		for (i = 0; i < s; ++i)
		{
			if (args.get(i).size() < 1)
				continue;

			ret = parseCommandPart(args.get(i), parentPath);

			if (ret == null)
			{
				if (args.get(i).equals("show"))
				{
					System.out.println(toDescString());
				}
				else
				{
					return new CommandStatus("Unknown parameter for '" + this.getClass().getName() + "': '"
							+ args.get(i) + "'");
				}
			}
			else if (ret.getStatus() != CommandStatus.COMMAND_OK)
			{
				return ret;
			}
		}

		return new CommandStatus(CommandStatus.COMMAND_OK);
	}

	protected void receiveLocalEvent(Event event)
	{
	}
}