/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 org.waveprotocol.box.webclient.client.atmosphere.AtmosphereConnection;
import org.waveprotocol.box.webclient.client.atmosphere.AtmosphereConnectionImpl;
import org.waveprotocol.box.webclient.client.atmosphere.AtmosphereConnectionListener;
/**
* Factory to create proxy wrappers around either {@link com.google.gwt.websockets.client.WebSocket}
* or {@link org.waveprotocol.box.webclient.client.atmosphere.AtmosphereConnection}.
*
* @author tad.glines@gmail.com (Tad Glines)
*/
public class WaveSocketFactory {
/**
* Create a WaveSocket instance that wraps a concrete socket implementation.
* If useWebSocketAlt is true an instance of {@link org.waveprotocol.box.webclient.client.atmosphere.AtmosphereConnection}
* is wrapped, otherwise an instance of {@link com.google.gwt.websockets.client.WebSocket} is
* wrapped.
*/
public static WaveSocket create(boolean useWebSocketAlt, final String urlBase,
final WaveSocket.WaveSocketCallback callback) {
if (useWebSocketAlt) {
return new WaveSocket() {
private final AtmosphereConnection socket
= new AtmosphereConnectionImpl(new AtmosphereConnectionListener() {
@Override
public void onConnect() {
callback.onConnect();
}
@Override
public void onDisconnect() {
callback.onDisconnect();
}
@Override
public void onMessage(String message) {
callback.onMessage(message);
}}, urlBase);
@Override
public void connect() {
socket.connect();
}
@Override
public void disconnect() {
socket.close();
}
@Override
public void sendMessage(String message) {
socket.sendMessage(message);
}
};
} 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);
}
};
}
}
}