serverconnection.java

用java编写的小游戏 支持多用户 支持网络

package srabblet;

import java.io.*;
import java.net.*;
import java.util.*;

public class ServerConnection implements Runnable {
	private static final int port = 6564;

	private static final String CRLF = "\r\n";

	private BufferedReader in;

	private PrintWriter out;

	private String id, toid = null;

	private Scrabblet scrabblet;

	public ServerConnection(Scrabblet sc, String site) throws IOException {
		try {
			scrabblet = sc;
			Socket server = new Socket(site, port);
			in = new BufferedReader(new InputStreamReader(server
					.getInputStream()));
			out = new PrintWriter(server.getOutputStream(), true);
		} catch (Exception e) {
			e.printStackTrace();
		}
	}

	private String readline() {
		try {
			return in.readLine();
		} catch (IOException e) {
			return null;
		}
	}

	public void setName(String s) {
		out.println("name " + s);
	}

	public void setTo(String to) {
		toid = to;
	}

	public void send(String s) {
		if (toid != null)
			out.println("to " + toid + " " + s);
	}

	public void delete() {
		out.println("delete " + id);
	}

	public void challenge(String destid) {
		setTo(destid);
		send("challenge " + id);
	}

	public void accept(String destid, int seed) {
		setTo(destid);
		send("accept " + id + " " + seed);
	}

	public void chat(String s) {
		send("chat " + id + " " + s);
	}

	public void move(String letter, int x, int y) {
		send("move " + letter + " " + x + " " + y);
	}

	public void turn(String words, int score) {
		send("turn " + score + " " + words);
	}

	public void quit() {
		send("quit " + id);
		out.println("quit");
	}

	private Thread t;

	public void start() {
		t = new Thread(this);
		t.start();
	}

	private static final int ID = 1;

	private static final int ADD = 2;

	private static final int DELETE = 3;

	private static final int MOVE = 4;

	private static final int CHAT = 5;

	private static final int QUIT = 6;

	private static final int TURN = 7;

	private static final int ACCEPT = 8;

	private static final int CHALLENGE = 9;

	private static Hashtable keys = new Hashtable();

	private static String keystrings[] = { "", "id", "add", "delete", "move",
			"chat", "quit", "turn", "accept", "challenge" };
	static {
		for (int i = 0; i < keystrings.length; i++)
			keys.put(keystrings[i], new Integer(i));
	}

	private int lookup(String s) {
		Integer i = (Integer) keys.get(s);
		return i == null ? -1 : i.intValue();
	}

	public void run() {
		String s;
		StringTokenizer st;
		while ((s = readline()) != null) {
			st = new StringTokenizer(s);
			String keyword = st.nextToken();
			switch (lookup(keyword)) {
			default:
				System.out.println("bogus keyword: " + keyword + "\r");
				break;
			case ID:
				id = st.nextToken();
				break;
			case ADD: {
				String id = st.nextToken();
				String hostname = st.nextToken();
				String name = st.nextToken(CRLF);
				scrabblet.add(id, hostname, name);
			}
				break;
			case DELETE:
				scrabblet.delete(st.nextToken());
				break;
			case MOVE: {
				String ch = st.nextToken();
				int x = Integer.parseInt(st.nextToken());
				int y = Integer.parseInt(st.nextToken());
				scrabblet.move(ch, x, y);
			}
				break;
			case CHAT: {
				String from = st.nextToken();
				scrabblet.chat(from, st.nextToken(CRLF));
			}
				break;
			case QUIT: {
				String from = st.nextToken();
				scrabblet.quit(from);
			}
				break;
			case TURN: {
				int score = Integer.parseInt(st.nextToken());
				scrabblet.turn(score, st.nextToken(CRLF));
			}
				break;
			case ACCEPT: {
				String from = st.nextToken();
				int seed = Integer.parseInt(st.nextToken());
				scrabblet.accept(from, seed);
			}
				break;
			case CHALLENGE: {
				String from = st.nextToken();
				scrabblet.challenge(from);
			}
				break;
			}
		}
	}
}