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package org.atmosphere.container;
import org.atmosphere.cpr.AtmosphereServlet.Action;
import org.atmosphere.cpr.AtmosphereServlet.AtmosphereConfig;
import org.atmosphere.websocket.WebSocketSupport;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
/**
* WebSocket Portable Runtime implementation on top of Jetty's Continuation.
*
* @author Jeanfrancois Arcand
*/
public class Jetty8WebSocketSupport extends Jetty7CometSupport{
private static final Logger logger = LoggerFactory.getLogger(Jetty8WebSocketSupport.class);
public Jetty8WebSocketSupport(AtmosphereConfig config) {
super(config);
}
/**
* {@inheritDoc}
*/
public Action service(HttpServletRequest req, HttpServletResponse res)
throws IOException, ServletException {
String connection = req.getHeader("Connection");
if (connection == null || !connection.equalsIgnoreCase("Upgrade")){
return super.service(req,res);
} else {
Action action = suspended(req, res);
if (action.type == Action.TYPE.SUSPEND) {
logger.debug("Suspending response: {}", res);
} else if (action.type == Action.TYPE.RESUME) {
logger.debug("Resume response: {}", res);
req.setAttribute(WebSocketSupport.WEBSOCKET_RESUME, "true");
}
return action;
}
}
/**
* Return the container's name.
*/
public String getContainerName() {
return config.getServletConfig().getServletContext().getServerInfo() + " with WebSocket enabled.";
}
@Override
public boolean supportWebSocket(){
return true;
}
}