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package com.sun.grizzly.container;
import java.io.IOException;
import com.sun.grizzly.comet.CometEvent;
import com.sun.grizzly.comet.CometHandler;
import com.sun.grizzly.grizzlet.Grizzlet;
import java.util.logging.Logger;
/**
* Grizzlet implementation of Grizzly {@link CometHandler}.
*
* @author Jeanfrancois Arcand,
*/
public class GrizzletCometHandler implements CometHandler<GrizzletRequest> {
/**
* The request which will be parked/paused by the Grizzly ARP mechaCometnism.
*/
private GrizzletRequest req;
/**
* The Grizzly associated with this CometHandler.
*/
private Grizzlet grizzlet;
/**
* GrizzletEvent implementatation used wheh the CometSelector close the
* expires the connection.
*/
private AsyncConnectionImpl gEvent = new AsyncConnectionImpl();
/**
* Attach the GrizzletRequest which is the connection that will
* be paused/parked.
*/
public void attach(GrizzletRequest req) {
this.req = req;
}
/**
* Invoke the Grizzlet.onPush method in reaction to a CometComet.notify()
* operations.
*/
public void onEvent(CometEvent event) throws IOException {
if (event.getType() == CometEvent.NOTIFY){
AsyncConnectionImpl grizzletEvent = (AsyncConnectionImpl)event.attachment();
grizzletEvent.setRequest(req);
grizzletEvent.setResponse(req.getGrizzletResponse());
grizzlet.onPush(grizzletEvent);
}
}
public void onInitialize(CometEvent event) throws IOException {
}
/**
* When the CometContext times out, this method will be invoked and
* the associated Grizzlet invoked.
*/
public void onInterrupt(CometEvent event) throws IOException {
gEvent.setRequest(req);
gEvent.setResponse(req.getGrizzletResponse());
gEvent.setIsResuming(true);
grizzlet.onPush(gEvent);
gEvent.setIsResuming(false);
}
/**
* Invoked when the Grizzly resume the continuation.
*/
public void onTerminate(CometEvent event) throws IOException {
onInterrupt(event);
}
/**
* Return the associated Grizzlet.
*/
public Grizzlet getGrizzlet() {
return grizzlet;
}
/**
* Set the Grizzlet.
*/
public void setGrizzlet(Grizzlet grizzlet) {
this.grizzlet = grizzlet;
}
}