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: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 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  ava2s .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(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/*  w ww  .ja  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:de.lilawelt.zmachine.client.machine.Memory.java

License:Open Source License

public void initialize(ZUserInterface ui, String storyFile) {
    Log.debug("Trying to load story from " + storyFile);

    final PopupPanel p = new PopupPanel();
    p.add(new HTML("Please wait, loading game..."));
    p.center();//  w  w w .  ja va  2 s .  c  om
    p.show();

    zui = ui;
    RequestBuilder builder = new RequestBuilder(RequestBuilder.GET, URL.encode(storyFile));

    try {
        builder.sendRequest(null, new RequestCallback() {
            public void onError(Request request, Throwable exception) {
                // Couldn't connect to server (could be timeout, SOP violation, etc.)
                Log.debug("Server connect failed");
                zui.fatal("Could not connect to server: " + exception.getMessage());
            }

            public void onResponseReceived(Request request, Response response) {
                if (200 == response.getStatusCode()) {
                    String story = response.getText();
                    Log.debug("Text length: " + story.length());

                    //String[] tokens = story.split(" ");

                    dataLength = story.length();
                    Log.debug("Initial length: " + dataLength);
                    data = new byte[dataLength];
                    int count = 0;
                    for (int i = 0; i < dataLength - 3; i++) {
                        char e1 = story.charAt(i++);
                        //if ( i < 100 )
                        //Log.debug("Charvalue at pos "+i+": "+e1);
                        if (e1 == '\n' || e1 == '\r') {
                            e1 = story.charAt(i++);
                            if (e1 == '\n' || e1 == '\r') {
                                e1 = story.charAt(i++);
                            }
                        }
                        e1 = (char) tab.indexOf(e1);
                        char e2 = story.charAt(i++);
                        if (e2 == '\n') {
                            e2 = story.charAt(i++);
                        }
                        e2 = (char) tab.indexOf(e2);
                        char e3 = story.charAt(i++);
                        if (e3 == '\n') {
                            e3 = story.charAt(i++);
                        }
                        e3 = (char) tab.indexOf(e3);
                        char e4 = story.charAt(i);
                        if (e4 == '\n') {
                            e4 = story.charAt(++i);
                        }
                        e4 = (char) tab.indexOf(e4);

                        //Log.debug("Values: "+e1+" "+e2+" "+e3+" "+e4);

                        byte c1 = (byte) ((e1 << 2) + (e2 >> 4));
                        byte c2 = (byte) (((e2 & 15) << 4) + (e3 >> 2));
                        byte c3 = (byte) (((e3 & 3) << 6) + e4);

                        //c1 =  (byte) ( e2 >> 4);

                        data[count++] = c1;
                        if (e3 != 64)
                            data[count++] += c2;
                        if (e4 != 64)
                            data[count++] += c3;

                    }
                    /* data = new byte[dataLength];
                    int count = 0;
                    for ( int i = 0; i < dataLength; i++ ) {
                       char c = story.charAt(i);
                       if ( (int) c == 127 ) {
                          i++;
                          if ( (int) story.charAt(i) == 127 ) {
                             i++;
                             data[count] = 127;
                             data[count] += 127;
                          } else {
                             data[count] = 127;
                          }
                          data[count] += story.charAt(i);
                       }  else {
                          data[count] = (byte) c;
                       }
                       //Log.debug("Text item: "+(int)c);
                       count++;
                    }  */

                    dataLength = count;
                    Log.debug("Loaded " + count + " bytes of story.");
                    /* Log.debug("byte0: "+fetchByte(0));
                    Log.debug("byte1: "+fetchByte(1));
                    for ( int i = 0; i < dataLength; i++ ) {
                    if ( i != fetchByte(i))
                       Log.debug("Data "+i+": "+fetchByte(i));
                    } */
                    p.hide();
                    Machine.get().start();
                } else {
                    Log.debug("Server returned error on load: " + response.getText());
                    zui.fatal("Server returned error on load: " + response.getText());
                }
            }

        });
    } catch (RequestException e) {
        // Couldn't connect to server   
        zui.fatal("I/O error loading storyfile.");
    }

    Log.debug("Initialized memory");

}

---

From source file:de.spartusch.nasfvi.client.MainWidget.java

License:Apache License

@Override
public final void onValueChange(final ValueChangeEvent<String> event) {
    String[] state = event.getValue().split("&", -1);

    if (state.length != 2) {
        throw new AssertionError();
    }//from   w  w w. ja  va 2  s . c om

    String q = URL.decodeQueryString(state[0]).replaceAll("\\s+", " ").trim();
    String offset = state[1];

    suggestBox.setText(q);

    if (q.isEmpty()) {
        setMessage("Bitte geben Sie eine Anfrage in das Textfeld ein.", "error");
    } else if (q.matches(PLACEHOLDERS)) {
        setMessage("Bitte ersetzen Sie smtliche Platzhalter durch" + " konkrete Werte!", "error");
    } else {
        clearMessage();
        try {
            String getUrl = parseUrl + URL.encodeQueryString(q) + "&offset=" + offset;
            RequestBuilder builder = new RequestBuilder(RequestBuilder.GET, getUrl);
            builder.setCallback(this);
            builder.send();
        } catch (RequestException e) {
            Main.displayError(e.getLocalizedMessage(), e.toString());
        }
    }
}

---

From source file:de.spartusch.nasfvi.client.SuggestRequest.java

License:Apache License

@Override
public final void run() {
    try {/*  www.  ja  v a  2 s .  c  o  m*/
        String getUrl = url + URL.encodeQueryString(soRequest.getQuery());
        RequestBuilder builder = new RequestBuilder(RequestBuilder.GET, getUrl);
        builder.setCallback(this);
        builder.send();
    } catch (RequestException e) {
        Main.displayError(e.getLocalizedMessage(), e.toString());
    }
}

---

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

License:Apache License

/**
 * Executes a json-rpc request.//from w  w w  . ja  va2 s  . co 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.caltech.ipac.firefly.core.HtmlRegionLoader.java

public void load(String url, final String regionName) {
    RequestBuilder builder = new RequestBuilder(RequestBuilder.GET, url);
    try {//from   ww w  . jav a2  s  . c om
        builder.sendRequest(null, new RequestCallback() {
            public void onResponseReceived(com.google.gwt.http.client.Request req, Response res) {
                updateHtml(res.getText(), regionName);
            }

            public void onError(com.google.gwt.http.client.Request request, Throwable exception) {
            }
        });
    } catch (RequestException e) {
        e.printStackTrace();
    }

}

---

From source file:edu.caltech.ipac.firefly.core.JsonUtils.java

public static void jsonRequest(String baseUrl, String cmd, List<Param> paramList, RequestCallback cb)
        throws RequestException {
    String url = makeURL(baseUrl, cmd, paramList, false);
    RequestBuilder builder = new RequestBuilder(RequestBuilder.GET, url);
    builder.setCallback(cb);/*from   w w  w  .  j  av  a 2 s . co m*/
    builder.send();
}

---

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 a  2 s .  c  om
    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());
    }
}

---

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