/**
* Copyright 2010 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.waveprotocol.box.webclient.client;
import com.google.gwt.websockets.client.WebSocket;
import com.google.gwt.websockets.client.WebSocketCallback;
import com.glines.socketio.client.common.SocketIOConnection;
import com.glines.socketio.client.common.SocketIOConnectionListener;
import com.glines.socketio.client.gwt.GWTSocketIOConnectionFactory;
import com.glines.socketio.common.DisconnectReason;
import com.glines.socketio.common.SocketIOException;
/**
* Factory to create proxy wrappers around either {@link com.google.gwt.websockets.client.WebSocket}
* or {@link com.glines.socketio.client.SocketIOConnection}.
*
* @author tad.glines@gmail.com (Tad Glines)
*/
public class WaveSocketFactory {
/**
* Create a WaveSocket instance that wraps a concrete socket implementation.
* If useSocketIO is true an instance of {@link com.glines.socketio.client.SocketIOConnection}
* is wrapped, otherwise an instance of {@link com.google.gwt.websockets.client.WebSocket} is
* wrapped.
*/
public static WaveSocket create(boolean useSocketIO, final String urlBase,
final WaveSocket.WaveSocketCallback callback) {
if (useSocketIO) {
return new WaveSocket() {
/*
* TODO: The urlBase is ignored for now. The default is identical to what is currently
* provided in urlBase. When the GWTSocketIOConnectionFactory.create() is updated,
* parse the urlBAse and pass the host and port.
*/
private final SocketIOConnection socket = GWTSocketIOConnectionFactory.INSTANCE.create(
new SocketIOConnectionListener() {
@Override
public void onConnect() {
callback.onConnect();
}
@Override
public void onDisconnect(DisconnectReason reason, String errorMEssage) {
callback.onDisconnect();
}
@Override
public void onMessage(int messageType, String message) {
callback.onMessage(message);
}
}, null, (short)0);
@Override
public void connect() {
socket.connect();
}
@Override
public void disconnect() {
socket.disconnect();
}
@Override
public void sendMessage(String message) {
try {
socket.sendMessage(message);
} catch (SocketIOException e) {
// Ignore because the GWT implementation doesn't throw this Exception.
}
}
};
} else {
return new WaveSocket() {
final WebSocket socket = new WebSocket(new WebSocketCallback() {
@Override
public void onConnect() {
callback.onConnect();
}
@Override
public void onDisconnect() {
callback.onDisconnect();
}
@Override
public void onMessage(String message) {
callback.onMessage(message);
}
});
@Override
public void connect() {
socket.connect(urlBase + "socket");
}
@Override
public void disconnect() {
socket.close();
}
@Override
public void sendMessage(String message) {
socket.send(message);
}
};
}
}
}