Example usage for com.google.gwt.http.client RequestBuilder RequestBuilder

Introduction

In this page you can find the example usage for com.google.gwt.http.client RequestBuilder RequestBuilder.

Prototype

protected RequestBuilder(String httpMethod, String url)

Source Link

Document

Creates a builder using the parameters values for configuration.

Usage

From source file:com.totsp.gwittir.rest.client.transports.XHRTransport.java

License:Open Source License

public RequestControl post(String mimeType, String url, String payload, final AsyncCallback<String> callback) {
    RequestBuilder b = new RequestBuilder(RequestBuilder.POST, url);
    b.setHeader(ACCEPT_HEADER, mimeType);
    b.setHeader(CONTENT_TYPE_HEADER, mimeType);
    b.setRequestData(payload);/*from  www . j a  v a2s. c o  m*/
    return super.doRequest(b, new GenericRequestCallback(HTTPTransport.POST_RESPONSE_CODES, false, callback));
}

From source file:com.totsp.gwittir.rest.client.transports.XRESTTransport.java

License:Open Source License

public RequestControl delete(String mimeType, String url, final AsyncCallback callback) {
    RequestBuilder b = new RequestBuilder(RequestBuilder.GET, url);
    b.setHeader(X_REST_METHOD_HEADER, "DELETE");
    b.setHeader(ACCEPT_HEADER, mimeType);
    b.setHeader(CONTENT_TYPE_HEADER, mimeType);
    return super.doRequest(b, new GenericRequestCallback(HTTPTransport.DELETE_RESPONSE_CODES, false, callback));
}

From source file:com.totsp.gwittir.rest.client.transports.XRESTTransport.java

License:Open Source License

public RequestControl get(String mimeType, String url, final AsyncCallback<String> callback) {
    RequestBuilder b = new RequestBuilder(RequestBuilder.GET, url);
    b.setHeader(ACCEPT_HEADER, mimeType);
    b.setHeader(CONTENT_TYPE_HEADER, mimeType);
    return super.doRequest(b, new GenericRequestCallback(HTTPTransport.POST_RESPONSE_CODES, false, callback));
}

From source file:com.totsp.gwittir.rest.client.transports.XRESTTransport.java

License:Open Source License

public RequestControl post(String mimeType, String url, String payload, final AsyncCallback callback) {
    RequestBuilder b = new RequestBuilder(RequestBuilder.POST, url);
    b.setHeader(ACCEPT_HEADER, mimeType);
    b.setHeader(CONTENT_TYPE_HEADER, mimeType);
    b.setRequestData(payload);//from w  w  w. ja v  a  2s . c o  m
    return super.doRequest(b, new GenericRequestCallback(HTTPTransport.PUT_RESPONSE_CODES, false, callback));
}

From source file:com.totsp.gwittir.rest.client.transports.XRESTTransport.java

License:Open Source License

public RequestControl put(String mimeType, String url, String payload, final AsyncCallback<String> callback) {
    RequestBuilder b = new RequestBuilder(RequestBuilder.POST, url);
    b.setHeader(X_REST_METHOD_HEADER, "PUT");
    b.setHeader(ACCEPT_HEADER, mimeType);
    b.setHeader(CONTENT_TYPE_HEADER, mimeType);
    b.setRequestData(payload);//  www . j  a v a 2  s . com
    return super.doRequest(b, new GenericRequestCallback(HTTPTransport.PUT_RESPONSE_CODES, false, callback));
}

From source file:com.vaadin.client.communication.Heartbeat.java

License:Apache License

/**
 * Sends a heartbeat to the server/*ww  w .jav  a2 s . c o  m*/
 */
public void send() {
    timer.cancel();

    final RequestBuilder rb = new RequestBuilder(RequestBuilder.POST, uri);

    final RequestCallback callback = new RequestCallback() {

        @Override
        public void onResponseReceived(Request request, Response response) {
            int status = response.getStatusCode();

            if (status == Response.SC_OK) {
                connection.getConnectionStateHandler().heartbeatOk();
            } else {
                // Handler should stop the application if heartbeat should
                // no longer be sent
                connection.getConnectionStateHandler().heartbeatInvalidStatusCode(request, response);
            }

            schedule();
        }

        @Override
        public void onError(Request request, Throwable exception) {
            // Handler should stop the application if heartbeat should no
            // longer be sent
            connection.getConnectionStateHandler().heartbeatException(request, exception);
            schedule();
        }
    };

    rb.setCallback(callback);

    try {
        getLogger().fine("Sending heartbeat request...");
        rb.send();
    } catch (RequestException re) {
        callback.onError(null, re);
    }

}

From source file:com.vaadin.client.communication.XhrConnection.java

License:Apache License

/**
 * Sends an asynchronous UIDL request to the server using the given URI.
 * /*from   w w  w .j  av  a2 s . c  o m*/
 * @param payload
 *            The URI to use for the request. May includes GET parameters
 * @throws RequestException
 *             if the request could not be sent
 */
public void send(JsonObject payload) {
    RequestBuilder rb = new RequestBuilder(RequestBuilder.POST, getUri());
    // TODO enable timeout
    // rb.setTimeoutMillis(timeoutMillis);
    // TODO this should be configurable
    rb.setHeader("Content-Type", JsonConstants.JSON_CONTENT_TYPE);
    rb.setRequestData(payload.toJson());

    XhrResponseHandler responseHandler = createResponseHandler();
    responseHandler.setPayload(payload);
    responseHandler.setRequestStartTime(Profiler.getRelativeTimeMillis());

    rb.setCallback(responseHandler);

    getLogger().info("Sending xhr message to server: " + payload.toJson());
    try {
        final Request request = rb.send();

        if (webkitMaybeIgnoringRequests && BrowserInfo.get().isWebkit()) {
            final int retryTimeout = 250;
            new Timer() {
                @Override
                public void run() {
                    // Use native js to access private field in Request
                    if (resendRequest(request) && webkitMaybeIgnoringRequests) {
                        // Schedule retry if still needed
                        schedule(retryTimeout);
                    }
                }
            }.schedule(retryTimeout);
        }
    } catch (RequestException e) {
        getConnectionStateHandler().xhrException(new XhrConnectionError(null, payload, e));
    }
}

From source file:com.vaadin.terminal.gwt.client.ApplicationConnection.java

License:Open Source License

/**
 * Sends an asynchronous UIDL request to the server using the given URI.
 * /* w  w  w  .  ja  v a 2  s .c o m*/
 * @param uri
 *            The URI to use for the request. May includes GET parameters
 * @param payload
 *            The contents of the request to send
 * @param requestCallback
 *            The handler for the response
 * @throws RequestException
 *             if the request could not be sent
 */
protected void doAsyncUIDLRequest(String uri, String payload, RequestCallback requestCallback)
        throws RequestException {
    RequestBuilder rb = new RequestBuilder(RequestBuilder.POST, uri);
    // TODO enable timeout
    // rb.setTimeoutMillis(timeoutMillis);
    rb.setHeader("Content-Type", "text/plain;charset=utf-8");
    rb.setRequestData(payload);
    rb.setCallback(requestCallback);

    rb.send();
}

From source file:de.eckhartarnold.client.ImageCollectionReader.java

License:Apache License

private void readJSON(String url, JSONDelegate task, IMessage error) {
    RequestBuilder builder = new RequestBuilder(RequestBuilder.GET, url);
    JSONReceiver receiver = new JSONReceiver(url, task, error);
    if (!receiver.extractJSONfromHTML()) {
        try {/*w w w . j a v a 2s. c  om*/
            builder.sendRequest(null, receiver);
        } catch (RequestException e) {
            error.message("Couldn't retrieve JSON: " + url + "<br />" + e.getMessage());
        }
    }
}

From source file:de.kp.ames.search.client.http.ConnectionManager.java

License:Open Source License

/**
 * @param url/*from  w w w . j av  a 2  s  .  c o m*/
 * @param callback
 */
public void sendGetRequest(final String url, final HashMap<String, String> headers,
        final ConnectionCallback callback) {

    RequestBuilder builder = new RequestBuilder(RequestBuilder.GET, URL.encode(url));
    builder.setTimeoutMillis(CoreGlobals.CONNECTION_TIMEOUT);

    /*
     * Set header parameters
     */
    if (headers.isEmpty() == false) {
        Set<String> keys = headers.keySet();
        for (String key : keys) {
            builder.setHeader(key, headers.get(key));
        }
    }

    /*
      * Set request callback
      */
    builder.setCallback(new RequestCallback() {

        public void onResponseReceived(Request request, Response response) {

            SC.logWarn("======> cm.RequestCallback.onResponseReceived");

            if (STATUS_CODE_OK == response.getStatusCode()) {
                handleSuccess(response, callback);

            } else {
                handleFailure(response, callback);
            }

        }

        public void onError(Request request, Throwable exception) {

            SC.logWarn("======> cm.RequestCallback.onError");

            if (exception instanceof RequestTimeoutException) {
                handleTimeout(exception, callback);

            } else {
                handleError(exception, callback);
            }

        }

    });

    try {
        builder.send();

    } catch (RequestException e) {
        handleError(e, callback);

    }

}