netty5/example/src/main/java/io/netty/example/http/websocketx/client/App.java
Trustin Lee ebfc4513e0 Apply checkstyle to the build
Please note that the build will fail at the moment due to various checkstyle
violations which should be fixed soon
2012-01-11 20:16:14 +09:00

127 lines
4.4 KiB
Java

/*
* Copyright 2011 The Netty Project
*
* The Netty Project 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 io.netty.example.http.websocketx.client;
import java.net.URI;
import java.util.ArrayList;
import java.util.logging.ConsoleHandler;
import java.util.logging.Level;
import java.util.logging.Logger;
import io.netty.buffer.ChannelBuffers;
import io.netty.handler.codec.http.websocketx.CloseWebSocketFrame;
import io.netty.handler.codec.http.websocketx.PingWebSocketFrame;
import io.netty.handler.codec.http.websocketx.PongWebSocketFrame;
import io.netty.handler.codec.http.websocketx.TextWebSocketFrame;
import io.netty.handler.codec.http.websocketx.WebSocketFrame;
import io.netty.handler.codec.http.websocketx.WebSocketVersion;
/**
* A HTTP client demo app
*/
public class App {
public static void main(String[] args) throws Exception {
new App().runClient();
}
/**
* Send and receive some messages using a web socket client
*
* @throws Exception
*/
public void runClient() throws Exception {
MyCallbackHandler callbackHandler = new MyCallbackHandler();
WebSocketClientFactory factory = new WebSocketClientFactory();
// Connect with RFC 6455. You can change it to V10 or V00.
// If you change it to V00, ping is not supported and remember to change HttpResponseDecoder to
// WebSocketHttpResponseDecoder in the pipeline.
WebSocketClient client = factory.newClient(new URI("ws://localhost:8080/websocket"), WebSocketVersion.V13,
callbackHandler, null);
// Connect
System.out.println("WebSocket Client connecting");
client.connect().awaitUninterruptibly();
Thread.sleep(200);
// Send 10 messages and wait for responses
System.out.println("WebSocket Client sending message");
for (int i = 0; i < 10; i++) {
client.send(new TextWebSocketFrame("Message #" + i));
}
Thread.sleep(1000);
// Ping - only supported for V10 and up.
System.out.println("WebSocket Client sending ping");
client.send(new PingWebSocketFrame(ChannelBuffers.copiedBuffer(new byte[] { 1, 2, 3, 4, 5, 6 })));
Thread.sleep(1000);
// Close
System.out.println("WebSocket Client sending close");
client.send(new CloseWebSocketFrame());
Thread.sleep(1000);
// Disconnect
client.disconnect();
}
/**
* Our web socket callback handler for this app
*/
public static class MyCallbackHandler implements WebSocketCallback {
public boolean connected;
public ArrayList<String> messagesReceived = new ArrayList<String>();
public MyCallbackHandler() {
}
@Override
public void onConnect(WebSocketClient client) {
System.out.println("WebSocket Client connected!");
connected = true;
}
@Override
public void onDisconnect(WebSocketClient client) {
System.out.println("WebSocket Client disconnected!");
connected = false;
}
@Override
public void onMessage(WebSocketClient client, WebSocketFrame frame) {
if (frame instanceof TextWebSocketFrame) {
TextWebSocketFrame textFrame = (TextWebSocketFrame) frame;
System.out.println("WebSocket Client received message:" + textFrame.getText());
messagesReceived.add(textFrame.getText());
} else if (frame instanceof PongWebSocketFrame) {
System.out.println("WebSocket Client received pong");
} else if (frame instanceof CloseWebSocketFrame) {
System.out.println("WebSocket Client received closing");
}
}
@Override
public void onError(Throwable t) {
System.out.println("WebSocket Client error " + t.toString());
}
}
}