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

List of usage examples for com.google.gwt.http.client RequestBuilder POST

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Introduction

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

Prototype

Method POST

To view the source code for com.google.gwt.http.client RequestBuilder POST.

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Document

Specifies that the HTTP POST method should be used.

Usage

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);//w  w w .j av  a2s  .co m
    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/*from  w  w w. j a va  2s  . com*/
 */
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.
 * //  ww w. ja  v a2s  . com
 * @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 . j a 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.kp.ames.search.client.http.ConnectionManager.java

License:Open Source License

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

    RequestBuilder builder = new RequestBuilder(RequestBuilder.POST, 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 data
     */
    if (requestData != null)
        builder.setRequestData(requestData);

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

        public void onResponseReceived(Request request, Response response) {

            if (STATUS_CODE_OK == response.getStatusCode()) {

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

                handleSuccess(response, callback);

            } else {
                handleFailure(response, callback);
            }

        }

        public void onError(Request request, Throwable exception) {

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

            } else {
                handleError(exception, callback);
            }

        }

    });

    try {
        builder.send();

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

    }

}

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

License:Open Source License

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

    RequestBuilder builder = new RequestBuilder(RequestBuilder.POST, URL.encode(url));
    builder.setTimeoutMillis(GuiConstants.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 data
     */
    if (requestData != null)
        builder.setRequestData(requestData);

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

        public void onResponseReceived(Request request, Response response) {

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

            } else {
                handleFailure(response, callback);
            }

        }

        public void onError(Request request, Throwable exception) {

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

            } else {
                handleError(exception, callback);
            }

        }

    });

    try {
        builder.send();

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

    }

}

From source file:ecc.gwt.warning.client.JsonRpc.java

License:Apache License

/**
 * Executes a json-rpc request.//from w ww .jav a2s  .c  o  m
 * 
 * @param url
 *            The location of the service
 * @param username
 *            The username for basic authentification
 * @param password
 *            The password for basic authentification
 * @param params
 *            An array of objects containing the parameters
 * @param callback
 *            A callbackhandler like in gwt's rpc.
 */
public void request(final String url, String username, String password, Map paramMap, boolean isStream,
        final AsyncCallback callback) {

    HashMap request = new HashMap();
    request.putAll(paramMap);
    //request.put("id", new Integer(requestSerial++));

    if (username == null)
        if (requestUser != null)
            username = requestUser;
    if (password == null)
        if (requestPassword != null)
            password = requestPassword;

    RequestCallback handler = new RequestCallback() {
        public void onResponseReceived(Request request, Response response) {
            try {
                String resp = response.getText();
                if (resp.equals(""))
                    throw new RuntimeException("empty");
                HashMap reply = (HashMap) decode(resp);

                if (reply == null) {
                    RuntimeException runtimeException = new RuntimeException("parse: " + response.getText());
                    fireFailure(runtimeException);
                    callback.onFailure(runtimeException);
                }

                if (isErrorResponse(reply)) {
                    RuntimeException runtimeException = new RuntimeException("error: " + reply.get("error"));
                    fireFailure(runtimeException);
                    callback.onFailure(runtimeException);
                } else if (isSuccessfulResponse(reply)) {
                    callback.onSuccess(reply.get("result"));
                } else {
                    RuntimeException runtimeException = new RuntimeException("syntax: " + response.getText());
                    fireFailure(runtimeException);
                    callback.onFailure(runtimeException);
                }
            } catch (RuntimeException e) {
                fireFailure(e);
                callback.onFailure(e);
            } finally {
                decreaseRequestCounter();
            }
        }

        public void onError(Request request, Throwable exception) {
            try {
                if (exception instanceof RequestTimeoutException) {
                    RuntimeException runtimeException = new RuntimeException("timeout");
                    fireFailure(runtimeException);
                    callback.onFailure(runtimeException);
                } else {
                    RuntimeException runtimeException = new RuntimeException("other");
                    fireFailure(runtimeException);
                    callback.onFailure(runtimeException);
                }
            } catch (RuntimeException e) {
                fireFailure(e);
                callback.onFailure(e);
            } finally {
                decreaseRequestCounter();
            }
        }

        private boolean isErrorResponse(HashMap response) {
            return response.get("error") != null && response.get("result") == null;
        }

        private boolean isSuccessfulResponse(HashMap response) {
            return response.get("error") == null && response.containsKey("result");
        }
    };

    increaseRequestCounter();

    RequestBuilder builder = new RequestBuilder(RequestBuilder.POST, url);
    if (requestTimeout > 0)
        builder.setTimeoutMillis(requestTimeout);

    String body = "";
    if (isStream) {
        builder.setHeader("Content-Type", "application/x-www-form-urlencoded; charset=utf-8");
        body = new String(encode(request));
    } else {
        builder.setHeader("Content-Type", "application/x-www-form-urlencoded; charset=utf-8");
        StringBuffer sb = new StringBuffer();
        for (Iterator iterator = request.entrySet().iterator(); iterator.hasNext();) {
            Map.Entry<String, Object> entry = (Map.Entry<String, Object>) iterator.next();
            sb.append(entry.getKey()).append("=").append(String.valueOf(entry.getValue())).append("&");

        }
        body = sb.toString();
        if (body.endsWith("&"))
            body = body.substring(0, body.length() - 1);
    }
    builder.setHeader("Content-Length", Integer.toString(body.length()));
    if (requestCookie != null)
        if (Cookies.getCookie(requestCookie) != null)
            builder.setHeader("X-Cookie", Cookies.getCookie(requestCookie));
    if (username != null)
        builder.setUser(username);
    if (password != null)
        builder.setPassword(password);
    try {
        builder.sendRequest(body, handler);
    } catch (RequestException exception) {
        handler.onError(null, exception);
    }
}

From source file:edu.cudenver.bios.glimmpse.client.panels.ResultsDisplayPanel.java

License:Open Source License

private void sendPowerRequest() {
    showWorkingDialog();/*from w ww. ja  va 2 s .c  o m*/
    String requestEntityBody = manager.getPowerRequestXML();
    matrixDisplayPanel.loadFromXML(requestEntityBody);
    RequestBuilder builder = null;
    switch (solutionType) {
    case POWER:
        builder = new RequestBuilder(RequestBuilder.POST, POWER_URL);
        break;
    case TOTAL_N:
        builder = new RequestBuilder(RequestBuilder.POST, SAMPLE_SIZE_URL);
        break;
    }

    try {
        builder.setHeader("Content-Type", "text/xml");
        builder.sendRequest(requestEntityBody, new RequestCallback() {

            public void onError(Request request, Throwable exception) {
                showError("Calculation failed: " + exception.getMessage());
            }

            public void onResponseReceived(Request request, Response response) {
                if (STATUS_CODE_OK == response.getStatusCode()
                        || STATUS_CODE_CREATED == response.getStatusCode()) {
                    showResults(response.getText());
                } else {
                    showError("Calculation failed: [HTTP STATUS " + response.getStatusCode() + "] "
                            + response.getText());
                }
            }
        });
    } catch (Exception e) {
        showError("Failed to send the request: " + e.getMessage());
    }
}

From source file:edu.nrao.dss.client.forms.JSONCallback.java

License:Open Source License

public static void post(String uri, String[] keys, String[] values, final JSONCallback cb) {
    RequestBuilder post = new RequestBuilder(RequestBuilder.POST, uri);
    post.setHeader("Accept", "application/json");
    post.setHeader("Content-Type", "application/x-www-form-encoded");
    try {//from  ww w.ja v a  2  s  . c o m
        post.sendRequest(kv2url(keys, values), new JSONRequest(cb, uri));
    } catch (RequestException e) {
    }
}

From source file:edu.nrao.dss.client.widget.NomineePanel.java

License:Open Source License

private void initLayout() {
    setHeading("Nominee Periods");

    RequestBuilder builder = new RequestBuilder(RequestBuilder.POST, rootUrl);

    JsonReader<BaseListLoadResult<NomineeType>> reader = new JsonReader<BaseListLoadResult<NomineeType>>(
            new NomineeType());
    proxy = new DynamicHttpProxy<BaseListLoadResult<NomineeType>>(builder);
    loader = new BaseListLoader<BaseListLoadResult<NomineeModel>>(proxy, reader);

    store = new ListStore<NomineeModel>(getLoader());

    nominees = new ListView<NomineeModel>();
    nominees.setStore(store);//from w  ww .  jav  a  2s .  c o  m
    // Q: How to change the format of a field, i.e., duration and score?
    // Well, we've already solved the formatting problem by formatting on the server side, but in theory you could do something like:
    // nominees.setTemplate("<b>{sess_name}</b> {sess_type} ({proj_name}) {score:number(\"0000.0000\")} for {durationStr}");
    // see: http://dev.sencha.com/deploy/gxtdocs/com/extjs/gxt/ui/client/core/XTemplate.html
    // but we'd really like to do something like this:
    //nominees.setSimpleTemplate("<b>{sess_name}</b> ({proj_name}) {duration} minutes {TimeUtil.min2sex(duration)}");
    nominees.setSimpleTemplate("<b>{sess_name}</b> {sess_type} ({proj_name}) {scoreStr} for {durationStr}");

    add(nominees);
    nominees.getSelectionModel().addListener(Events.SelectionChange,
            new Listener<SelectionChangedEvent<BaseModel>>() {
                public void handleEvent(SelectionChangedEvent<BaseModel> be) {
                    BaseModelData baseModelData = (BaseModelData) (be.getSelectedItem());
                    if (baseModelData == null) {
                        return;
                    }

                    // add the selected period to the Period Explorer
                    schedule.scheduleExplorer.addRecord(nominee2Period(baseModelData));
                    schedule.scheduleExplorer.loadData();

                    // and show the Session's scores on the calendar
                    String name = baseModelData.get("sess_name") + " (" + baseModelData.get("proj_name") + ")";
                    schedule.calendarControl.showSessionScores(name);
                    //schedule.updateCalendar();
                }
            });
}