/*
* Copyright 2002-2012 the original author or authors.
*
* 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.bitcoinrt.client;
import java.io.IOException;
import org.springframework.integration.MessageChannel;
import com.ning.http.client.AsyncHttpClient;
import com.ning.http.client.websocket.DefaultWebSocketListener;
import com.ning.http.client.websocket.WebSocket;
import com.ning.http.client.websocket.WebSocketUpgradeHandler;
/**
* Sonatype Async HTTP Client implementation.
*
* @see https://github.com/sonatype/async-http-client
*/
public class AsyncHttpClientMtgoxClient extends AbstractMtgoxClient {
private final AsyncHttpClient asyncHttpClient = new AsyncHttpClient();
public AsyncHttpClientMtgoxClient(MessageChannel outputChannel) {
super(outputChannel);
}
@Override
public void start() {
WebSocketUpgradeHandler.Builder builder = new WebSocketUpgradeHandler.Builder();
builder.addWebSocketListener(new MtgoxWebSocketListener());
WebSocketUpgradeHandler handler = builder.build();
try {
this.asyncHttpClient.prepareGet(MTGOX_URL).execute(handler);
}
catch (IOException ex) {
logger.error("Failed to execute WebSocketUpgradeHandler", ex);
}
}
@Override
public void stop() {
if (this.asyncHttpClient != null) {
this.asyncHttpClient.close();
}
}
private class MtgoxWebSocketListener extends DefaultWebSocketListener {
@Override
public void onOpen(WebSocket ws) {
logger.debug("Connected to {}", MTGOX_URL);
logger.debug("Unsubscribing...");
ws.sendTextMessage("{\"op\":\"unsubscribe\",\"channel\":\"" + MTGOX_TICKER_CHANNEL + "\"}");
ws.sendTextMessage("{\"op\":\"unsubscribe\",\"channel\":\"" + MTGOX_DEPTH_CHANNEL + "\"}");
logger.debug("Waiting for messages...");
}
@Override
public void onMessage(String message) {
AsyncHttpClientMtgoxClient.this.onMessage(message);
}
@Override
public void onClose(WebSocket ws) {
logger.debug("Disconnected from {}", MTGOX_URL);
}
@Override
public void onError(Throwable t) {
logger.debug("Error from {}: {}", MTGOX_URL, t.getMessage());
}
}
}