com.google.gwt.examples.http.client.TimeoutExample.java Source code

Introduction

Here is the source code for com.google.gwt.examples.http.client.TimeoutExample.java

Source

package com.google.gwt.examples.http.client;

import com.google.gwt.core.client.EntryPoint;
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.RequestException;
import com.google.gwt.http.client.RequestTimeoutException;
import com.google.gwt.http.client.Response;
import com.google.gwt.user.client.Window;

public class TimeoutExample implements EntryPoint {
    public static void doGetWithTimeout(String url) {
        RequestBuilder builder = new RequestBuilder(RequestBuilder.GET, url);

        try {
            /*
             * wait 2000 milliseconds for the request to complete
             */
            builder.setTimeoutMillis(2000);

            Request response = builder.sendRequest(null, new RequestCallback() {
                public void onError(Request request, Throwable exception) {
                    if (exception instanceof RequestTimeoutException) {
                        // handle a request timeout
                    } else {
                        // handle other request errors
                    }
                }

                public void onResponseReceived(Request request, Response response) {
                    // code omitted for clarity
                }
            });
        } catch (RequestException e) {
            Window.alert("Failed to send the request: " + e.getMessage());
        }
    }

    public void onModuleLoad() {
        doGetWithTimeout("/");
    }
}