是否可以重新发送RequestFactory传输?在使用RequestFactory时,我希望这样做:How to resend a GWT RPC request。从以前的请求重新发送相同的有效负载相当简单,但我也需要调用相同的方法。这是我的RequestTransport课,我希望服用后护理只是“重烧”原来的要求,在这种情况下,用户的请求登录凭据:如何重新发送GWT RequestFactory请求
package org.greatlogic.rfexample2.client;
import com.google.gwt.http.client.Request;
import com.google.gwt.http.client.RequestBuilder;
import com.google.gwt.http.client.RequestCallback;
import com.google.gwt.http.client.Response;
import com.google.web.bindery.requestfactory.gwt.client.DefaultRequestTransport;
/**
* Every request factory transmission will pass through the single instance of this class. This can
* be used to ensure that when a response is received any global conditions (e.g., the user is no
* longer logged in) can be handled in a consistent manner.
*/
public class RFERequestTransport extends DefaultRequestTransport {
//--------------------------------------------------------------------------------------------------
private IClientFactory _clientFactory;
//==================================================================================================
private final class RFERequestCallback implements RequestCallback {
private RequestCallback _requestCallback;
private RFERequestCallback(final RequestCallback requestCallback) {
_requestCallback = requestCallback;
} // RFERequestCallback()
@Override
public void onError(final Request request, final Throwable exception) {
_requestCallback.onError(request, exception);
} // onError()
@Override
public void onResponseReceived(final Request request, final Response response) {
if (response.getStatusCode() == Response.SC_UNAUTHORIZED) {
_clientFactory.login();
}
else {
_clientFactory.setLastPayload(null);
_clientFactory.setLastReceiver(null);
_requestCallback.onResponseReceived(request, response);
}
} // onResponseReceived()
} // class RFERequestCallback
//==================================================================================================
@Override
protected void configureRequestBuilder(final RequestBuilder builder) {
super.configureRequestBuilder(builder);
} // configureRequestBuilder()
//--------------------------------------------------------------------------------------------------
@Override
protected RequestCallback createRequestCallback(final TransportReceiver receiver) {
return new RFERequestCallback(super.createRequestCallback(receiver));
} // createRequestCallback()
//--------------------------------------------------------------------------------------------------
void initialize(final IClientFactory clientFactory) {
_clientFactory = clientFactory;
} // initialize()
//--------------------------------------------------------------------------------------------------
@Override
public void send(final String payload, final TransportReceiver receiver) {
String actualPayload = _clientFactory.getLastPayload();
TransportReceiver actualReceiver;
if (actualPayload == null) {
actualPayload = payload;
actualReceiver = receiver;
_clientFactory.setLastPayload(payload);
_clientFactory.setLastReceiver(receiver);
}
else {
actualReceiver = _clientFactory.getLastReceiver();
}
super.send(actualPayload, actualReceiver);
} // send()
//--------------------------------------------------------------------------------------------------
}
你的代码很难阅读,但你在正确的轨道上,所以你试过的是什么问题? –
我的问题是知道如何发起触发SC_UNAUTHORIZED响应的请求。例如,如果我有请求'requestContext.getFooById(fooId).fire(...)'并且这个请求返回未经授权的响应,那么我想再次触发它。我可以发送相同的有效负载,并回调到同一个接收器,但我不知道如何自动将“fire()”应用于“getFooId()”。 (顺便说一下,是什么让我的代码“难以阅读”......我很好奇?“)。谢谢! –
如果你用相同的接收器发送相同的负载,会发生什么?我的猜测是它应该Just Work™。我发现你的代码很难阅读,因为缺乏缩进 - 主要 - 缺少空行和太多无用的评论;这是我猜想的味道的问题) –