jschat-client-rhino.js

// JsChat client code using Rhino

// rlwrap java -jar js.jar
// load('jschat-client-rhino.js');

var JsChat = {};

JsChat.Connection = function(server_address, port) {
  importPackage(java.io);
  importPackage(java.net);

  this.server_address = server_address;
  this.port = port;
}

JsChat.Connection.prototype = {
  sleep: function(milliseconds) {
    java.lang.Thread.sleep(milliseconds);
  },

  connect: function() {
    print("Connecting to: " + this.server_address);
    this.socket = new Socket(this.server_address, this.port);
    this.connection_in = new BufferedReader(new InputStreamReader(this.socket.getInputStream()));
    this.connection_out = new PrintWriter(this.socket.getOutputStream(), true);
  },

  write: function(text) {
    this.connection_out.println(text);
    this.connection_out.flush();
    this.sleep(50);
  },

  read: function() {
    return this.connection_in.readLine();
  },

  close: function() {
    this.connection_out.close();
    this.connection_in.close();
    this.socket.close();
  }
};

JsChat.Protocol = function(connection) {
  this.connection = connection;
}

JsChat.Protocol.prototype = {
  identify: function(name) {
    this.connection.write('{"identify":"' + name + '"}');
  },

  // Assumes a single room for now
  join: function(room) {
    this.room = room;
    this.connection.write('{"join":"' + room + '"}');
  },

  message: function(text) {
    this.connection.write('{"send":"' + text + '","to":"' + this.room + '"}');
  },

  quit: function() {
    this.connection.close();
  }
};

JsChat.Responses = {};
JsChat.Responses.Display = {
  'identified': function(json) {
    print('Identified as: ' + json['name']);
  },

  'join': function(json) {
    print('Joined room: ' + json['room']);
  },

  'error': function(json) {
    print('[ERROR] ' + json['message']);
  },

  'message': function(json) {
    if (json['room']) {
      print('[' + json['room'] + '] <' + json['user'] + '> ' + json['message']);
    }
  }
}

JsChat.Session = function(options) {
  importClass(java.lang.Thread, java.lang.Runnable);
  this.connection = new JsChat.Connection(options.server, options.port);
  this.connection.connect();
  this.send = new JsChat.Protocol(this.connection);
  this.user_responses = options.responses;
  this.runReaderThread();
}

JsChat.Session.prototype = {
  quit: function() {
    this.send.quit();
  },

  read: function() {
    return this.connection.read();
  },

  handeUserResponses: function(json) {
    for (var response in this.user_responses) {
      var matcher = response;
      var method = this.user_responses[response];
      var regex = new RegExp(matcher);
      if (json['message'].match(matcher)) {
        this.send.message(method(json));
        return true;
      }
    }
    return false;
  },

  runReaderThread: function() {
    var session = this;
    var r = new Runnable() {
      run: function() {
        var connected = true;
        while (connected) {
          try {
            var json = session.readInput();
            if (json && json.display && JsChat.Responses.Display[json.display]) {
              var options = json[json.display];
              JsChat.Responses.Display[json.display](options);

              if (json.display == 'message') {
                session.handeUserResponses(options);
              }
            }
          } catch (exception) {
            print(exception);
            connected = false;
          }
        }
      }
    }
    new Thread(r).start();
  },

  readInput: function() {
    return eval('(' + this.read() + ')');
  }
};

print('Connecting...');

var Responses = {
  'B\\^\\]': function(message) {
    return message['user'] + ': hello';
  },

  'bye': function(message) {
    return 'Bye ' + message['user'];
  }
}

var jschat = new JsChat.Session({ server: 'irc.helicoid.net', port: 6789, responses: Responses });
jschat.send.identify('B^]');
jschat.send.join('#jschat');
jschat.send.message("hello this is a test");