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

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

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  6. setHeader

Introduction

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

Prototype

public void setHeader(String header, String value)

Source Link

Document

Sets a request header with the given name and value.

Usage

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

License:Open Source License

/**
 * @param url/*from   w w w  .  java 2s.co 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);

    }

}

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

License:Open Source License

/**
 * @param url//from www  .  ja v a2s .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 w  w  w  . ja  va 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(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 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:de.kp.ames.web.client.core.http.ConnectionManager.java

License:Open Source License

/**
 * @param url//from   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(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.// ww w  . j a  v a2s  .c om
 * 
 * @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 ww w  .  j a v a2s .  co  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 get(String uri, JSONCallback cb) {
    RequestBuilder get = new RequestBuilder(RequestBuilder.GET, uri + "?" + new java.util.Date().getTime());
    get.setHeader("Accept", "application/json");

    try {/*w  w w .  j  a  v  a 2  s .  c  o  m*/
        get.sendRequest(null, new JSONRequest(cb, uri));
    } catch (RequestException e) {
        GWT.log("CANT GET: " + e.getMessage());
    }
}

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

License:Open Source License

public static void get(String uri, String[] keys, String[] values, final JSONCallback cb) {
    StringBuilder urlData = new StringBuilder();
    urlData.append(uri);/*ww w.  ja  va2 s .c  om*/
    urlData.append("?");
    urlData.append(kv2url(keys, values));
    RequestBuilder get = new RequestBuilder(RequestBuilder.GET, urlData.toString());
    get.setHeader("Accept", "application/json");
    try {
        get.sendRequest(null, new JSONRequest(cb, uri));
    } catch (RequestException e) {
    }
}

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  om*/
        post.sendRequest(kv2url(keys, values), new JSONRequest(cb, uri));
    } catch (RequestException e) {
    }
}

From source file:edu.nrao.dss.client.util.JSONRequest.java

License:Open Source License

public static void get(String uri, JSONCallback cb) {
    RequestBuilder get = new RequestBuilder(RequestBuilder.GET, uri);

    get.setHeader("Accept", "application/json");

    try {//  ww w.  j av  a2 s  .  c o m
        get.sendRequest(null, new JSONRequest(cb, uri));
    } catch (RequestException e) {
    }
}