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package org.atmosphere.container;
import org.atmosphere.cpr.AsynchronousProcessor;
import org.atmosphere.cpr.AtmosphereResourceImpl;
import org.atmosphere.cpr.AtmosphereServlet;
import org.atmosphere.cpr.AtmosphereServlet.Action;
import org.atmosphere.cpr.AtmosphereServlet.AtmosphereConfig;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import weblogic.servlet.http.AbstractAsyncServlet;
import weblogic.servlet.http.RequestResponseKey;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
/**
* Weblogic support.
*
* @author Jeanfrancois Arcand
*/
public class WebLogicCometSupport extends AsynchronousProcessor {
private static final Logger logger = LoggerFactory.getLogger(WebLogicCometSupport.class);
public static final String RRK = "RequestResponseKey";
public WebLogicCometSupport(AtmosphereConfig config) {
super(config);
}
/**
* {@inheritDoc}
*/
public Action service(HttpServletRequest req, HttpServletResponse res)
throws IOException, ServletException {
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("Resuming response: {}", res);
Action nextAction = resumed(req, res);
if (nextAction.type == Action.TYPE.SUSPEND) {
logger.debug("Suspending after resuming response: {}", res);
}
}
return action;
}
/**
* {@inheritDoc}
*/
@Override
public void action(AtmosphereResourceImpl actionEvent) {
super.action(actionEvent);
if (actionEvent.isInScope() && actionEvent.action().type == Action.TYPE.RESUME &&
(config.getInitParameter(AtmosphereServlet.RESUME_AND_KEEPALIVE) == null
|| config.getInitParameter(AtmosphereServlet.RESUME_AND_KEEPALIVE).equalsIgnoreCase("false"))) {
try {
RequestResponseKey rrk = (RequestResponseKey) actionEvent.getRequest().getSession().getAttribute(RRK)
;
AbstractAsyncServlet.notify(rrk, null);
}
catch (IOException ex) {
logger.debug("action failed", ex);
}
}
}
}