/**
* This method will open a filtered Http Connection.
*
* @see net.rim.device.api.io.FilterBaseInterface#openFilter(String, int, boolean)
*/
public Connection openFilter(String name, int mode, boolean timeouts) throws IOException {
try {
final Request request = new Request(name);
log.debug("Intercept krypsis request: " + name);
final Response response = dispatchRequest(request);
return response == null ? null : new KrypsisConnection(response, Main.HOST);
} catch (RequestException e) {
log.debug("Not a crypsis request. Pass it to the network");
return Connector.open("http:" + name + ";usefilter=false", mode, timeouts);
}
}
public ResponseQueue getResponseQueue() {
ResponseQueue queue = (ResponseQueue) getGlobalScope().get(QUEUE);
if (queue == null) {
log.debug("Create response queue with a size of 32");
queue = new ResponseQueue(32);
getGlobalScope().put(QUEUE, queue);
}
return queue;
}
/**
* Dispatches the given request. If the responsible module is not available then an error response
* will be returned.
*
* @param request The request to dispatch.
* @return A response to the given request or null.
*/
public Response dispatchRequest(Request request) {
/*
If this is a queue request, then return the next request
from the queue.
*/
if (ModuleContext.QUEUE.equals(request.getModuleContext())) {
final long begin = System.currentTimeMillis();
log.debug("Queue: Wait for response...");
final Response response = getResponseQueue().get(QUEUE_TIMEOUT);
final long end = System.currentTimeMillis();
log.debug(
"Queue: Returned after "
+ (end - begin)
+ " ms "
+ (response == null ? "without" : "with")
+ " a response: =>"
+ response);
/* The queue response must not be null but an empty response */
return response == null ? new EmptyResponse(request) : response;
}
final Module module = getRegistry().getModule(request.getModuleContext());
if (module == null) {
log.error(
"Requested module '" + request.getModuleContext() + "' is not implemented or registered");
dispatch(new ErrorResponse(request, ErrorResponse.MODULE_NOT_SUPPORTED));
} else {
log.debug(
"Module '"
+ request.getModuleContext()
+ "' created. Execute action '"
+ request.getAction()
+ "' ...");
module.handle(request, this);
}
return null;
}
