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com.google.gwt.http.client
Class Request

java.lang.Object
  extended by com.google.gwt.http.client.Request

public class Request
extends java.lang.Object

An HTTP request that is waiting for a response. Requests can be queried for their pending status or they can be canceled.

Required Module

Modules that use this class should inherit com.google.gwt.http.HTTP. 
<module>
  <!-- other inherited modules, such as com.google.gwt.user.User -->
  <inherits name="com.google.gwt.http.HTTP"/>
  <!-- additional module settings -->
</module>

Nested Class Summary
(package private) static class Request.RequestImpl
          Native implementation associated with Request.
(package private) static class Request.RequestImplIE8And9
          Special Request.RequestImpl for IE8, IE9 to work around some IE specialities.
 
Constructor Summary
protected Request()
          Only used for building a FailedRequest.
(package private) Request(XMLHttpRequest xmlHttpRequest, int timeoutMillis, RequestCallback callback)
          Constructs an instance of the Request object.
 
Method Summary
 void cancel()
          Cancels a pending request.
(package private)  void fireOnResponseReceived(RequestCallback callback)
           
 boolean isPending()
          Returns true if this request is waiting for a response.
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

Request

protected Request()
Only used for building a FailedRequest.

Request

Request(XMLHttpRequest xmlHttpRequest,
        int timeoutMillis,
        RequestCallback callback)
Constructs an instance of the Request object.

Parameters:
xmlHttpRequest - JavaScript XmlHttpRequest object instance
timeoutMillis - number of milliseconds to wait for a response
callback - callback interface to use for notification
Throws:
java.lang.IllegalArgumentException - if timeoutMillis < 0
java.lang.NullPointerException - if xmlHttpRequest, or callback are null
Method Detail

cancel

public void cancel()
Cancels a pending request. If the request has already been canceled or if it has timed out no action is taken.

isPending

public boolean isPending()
Returns true if this request is waiting for a response.

Returns:
true if this request is waiting for a response

fireOnResponseReceived

void fireOnResponseReceived(RequestCallback callback)
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