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

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

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Introduction

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

Prototype

Method GET

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

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Document

Specifies that the HTTP GET method should be used.

Usage

From source file:com.totsp.gwittir.rest.client.transports.XHRTransport.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);
    return super.doRequest(b, new GenericRequestCallback(HTTPTransport.GET_RESPONSE_CODES, true, 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: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 {/*  www  .java  2s .  c  o  m*/
            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 ww  .j a  v a2 s  .c  om
 * @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.web.client.core.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(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.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();//  ww w.  j  ava2 s . c o m
    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();
    }/*  ww w .  ja  v  a 2s.  c o m*/

    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 {//from w  w w  .  j  ava 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:edu.caltech.ipac.firefly.core.HtmlRegionLoader.java

public void load(String url, final String regionName) {
    RequestBuilder builder = new RequestBuilder(RequestBuilder.GET, url);
    try {//  www.j a  v a  2s  .com
        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();
    }

}