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

List of usage examples for com.google.gwt.http.client RequestCallback RequestCallback

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Introduction

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

Prototype

RequestCallback

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Usage

From source file:com.medassets.report.client.other.ContentWidget.java

License:Apache License

/**
 * Get the source code for a raw file.// w w w.jav  a2 s  . c  o  m
 *
 * @param filename the filename to load
 * @param callback the callback to call when loaded
 */
public void getRawSource(final String filename, final Callback<String> callback) {
    if (rawSource.containsKey(filename)) {
        callback.onSuccess(rawSource.get(filename));
    } else {
        RequestCallback rc = new RequestCallback() {
            public void onError(Request request, Throwable exception) {
                callback.onError();
            }

            public void onResponseReceived(Request request, Response response) {
                String text = response.getText();
                rawSource.put(filename, text);
                callback.onSuccess(text);
            }
        };

        String className = this.getClass().getName();
        className = className.substring(className.lastIndexOf(".") + 1);
        sendSourceRequest(rc, "raw/" + filename + ".html");
    }
}

From source file:com.medassets.report.client.other.ContentWidget.java

License:Apache License

/**
 * Request the styles associated with the widget.
 *
 * @param callback the callback used when the styles become available
 *///from www.j a  v a  2s. c  o  m
public void getStyle(final Callback<String> callback) {
    if (styleDefs != null) {
        callback.onSuccess(styleDefs);
    } else {
        RequestCallback rc = new RequestCallback() {
            public void onError(Request request, Throwable exception) {
                callback.onError();
            }

            public void onResponseReceived(Request request, Response response) {
                styleDefs = response.getText();
                callback.onSuccess(styleDefs);
            }
        };

        String srcPath = "gwtShowcaseSource/css/clean";
        if (LocaleInfo.getCurrentLocale().isRTL()) {
            srcPath += "_rtl";
        }
        String className = this.getClass().getName();
        className = className.substring(className.lastIndexOf(".") + 1);
        sendSourceRequest(rc, srcPath + "/" + className + ".html");
    }
}

From source file:com.medassets.report.client.other.ContentWidget.java

License:Apache License

/**
 * Request the source code associated with the widget.
 *
 * @param callback the callback used when the source become available
 *//*from  ww  w  .j  av a2 s  .  c om*/
public void getSource(final Callback<String> callback) {
    if (sourceCode != null) {
        callback.onSuccess(sourceCode);
    } else {
        RequestCallback rc = new RequestCallback() {
            public void onError(Request request, Throwable exception) {
                callback.onError();
            }

            public void onResponseReceived(Request request, Response response) {
                sourceCode = response.getText();
                callback.onSuccess(sourceCode);
            }
        };

        String className = this.getClass().getName();
        className = className.substring(className.lastIndexOf(".") + 1);
        sendSourceRequest(rc, "gwtShowcaseSource/java/" + className + ".html");
    }
}

From source file:com.milmaps.client.MapTouchController.java

License:Open Source License

private void sendReport(String name, final GeodeticCoords gc) {
    RequestBuilder builder = new RequestBuilder(RequestBuilder.POST, "/pli-service/rs/sender/sendReportGeo");
    String report = "<report name=\"" + name + "\" ip=\"127.0.0.1\" port=\"10011\" mcastIface=\"\" lat=\""
            + gc.latitude().degrees() + "\" lon=\"" + gc.longitude().degrees() + "\"/>";
    try {/*w w  w  .java 2 s. c  om*/
        builder.sendRequest(report, new RequestCallback() {

            @Override
            public void onResponseReceived(Request request, Response response) {
                m_mapView.fullUpdateView();
            }

            @Override
            public void onError(Request request, Throwable exception) {
            }
        });
    } catch (RequestException ex) {
        Window.alert("fail");
        Logger.getLogger(MapTouchController.class.getName()).log(Level.SEVERE, null, ex);
    }
}

From source file:com.milmaps.client.MobileEntryPoint.java

License:Open Source License

private void sendReport(double lat, double lon) {
    RequestBuilder builder = new RequestBuilder(RequestBuilder.POST, "/pli-service/rs/sender/sendReportGeo");
    String report = "<report name=\"Me\" ip=\"127.0.0.1\" port=\"10011\" mcastIface=\"\" lat=\"" + lat
            + "\" lon=\"" + lon + "\"/>";
    try {//from  www  . j  av a  2  s .co  m
        builder.sendRequest(report, new RequestCallback() {

            @Override
            public void onResponseReceived(Request request, Response response) {
                m_mapView.fullUpdateView();
            }

            @Override
            public void onError(Request request, Throwable exception) {
            }
        });
    } catch (RequestException ex) {
        Window.alert("fail");
        Logger.getLogger(MapTouchController.class.getName()).log(Level.SEVERE, null, ex);
    }
}

From source file:com.moesol.gwt.maps.client.tms.FeatureReader.java

License:Open Source License

public void getFeatures(int level, double lat, double lng, final AsyncCallback<List<Feature>> callback) {
    String url = m_baseUrlPattern.replace("{level}", String.valueOf(level))
            .replace("{lat}", String.valueOf(lat)).replace("{lng}", String.valueOf(lng));
    RequestBuilder requestBuilder = new RequestBuilder(RequestBuilder.GET, url);
    requestBuilder.setHeader("Accept", "application/json");
    try {//w ww  .ja v  a2s  .c o  m
        requestBuilder.sendRequest(null, new RequestCallback() {
            @Override
            public void onResponseReceived(Request request, Response response) {
                callback.onSuccess(parseFeatures(response.getText()));
            }

            @Override
            public void onError(Request request, Throwable exception) {
                callback.onFailure(exception);
            }
        });
    } catch (RequestException e) {
        callback.onFailure(e);
    }
}

From source file:com.nanosim.client.ContentWidget.java

License:Apache License

public void onSelection(SelectionEvent<Integer> event) {
    // Show the associated widget in the deck panel
    int tabIndex = event.getSelectedItem().intValue();
    deckPanel.showWidget(tabIndex);//from   w w w.  ja  v  a2 s .c o  m

    // Load the source code
    String tabHTML = getTabBar().getTabHTML(tabIndex);
    if (!sourceLoaded && tabHTML.equals(constants.contentWidgetSource())) {
        sourceLoaded = true;
        String className = this.getClass().getName();
        className = className.substring(className.lastIndexOf(".") + 1);
        requestSourceContents(NanosimConstants.DST_SOURCE_EXAMPLE + className + ".html", sourceWidget, null);
    }

    // Load the style definitions
    if (hasStyle() && tabHTML.equals(constants.contentWidgetStyle())) {
        final String theme = HomeScreen.CUR_THEME;
        if (styleDefs.containsKey(theme)) {
            styleWidget.setHTML(styleDefs.get(theme));
        } else {
            styleDefs.put(theme, "");
            RequestCallback callback = new RequestCallback() {
                public void onError(Request request, Throwable exception) {
                    styleDefs.put(theme, "Style not available.");
                }

                public void onResponseReceived(Request request, Response response) {
                    styleDefs.put(theme, response.getText());
                }
            };

            String srcPath = NanosimConstants.DST_SOURCE_STYLE + theme;
            String className = this.getClass().getName();
            className = className.substring(className.lastIndexOf(".") + 1);
            requestSourceContents(srcPath + "/" + className + ".html", styleWidget, callback);
        }
    }
}

From source file:com.nanosim.client.ContentWidget.java

License:Apache License

/**
 * Load the contents of a remote file into the specified widget.
 * //from w w  w. j  av a2  s.co m
 * @param url a partial path relative to the module base URL
 * @param target the target Widget to place the contents
 * @param callback the callback when the call completes
 */
protected void requestSourceContents(String url, final HTML target, final RequestCallback callback) {
    // Show the loading image
    if (loadingImage == null) {
        loadingImage = "<img src=\"" + GWT.getModuleBaseURL() + "images/loading.gif\">";
    }
    DOM.setStyleAttribute(target.getElement(), "textAlign", "left");
    target.setHTML("&nbsp;&nbsp;" + loadingImage);

    // Request the contents of the file
    RequestBuilder builder = new RequestBuilder(RequestBuilder.GET, GWT.getModuleBaseURL() + url);
    RequestCallback realCallback = new RequestCallback() {
        public void onError(Request request, Throwable exception) {
            target.setHTML("Cannot find resource");
            if (callback != null) {
                callback.onError(request, exception);
            }
        }

        public void onResponseReceived(Request request, Response response) {
            target.setHTML(response.getText());
            if (callback != null) {
                callback.onResponseReceived(request, response);
            }
        }
    };
    builder.setCallback(realCallback);

    // Send the request
    Request request = null;
    try {
        request = builder.send();
    } catch (RequestException e) {
        realCallback.onError(request, e);
    }
}

From source file:com.oracle.wci.user.registration.client.AsyncCall.java

License:Apache License

/**
 * Do post information via AJAX call to the server.
 * //from  w  ww .j a v a 2  s. co m
 * @param url
 * @param requestData
 */
public static void doPost(String url, String requestData) {
    RequestBuilder builder = new RequestBuilder(RequestBuilder.POST, url);

    try {
        builder.setTimeoutMillis(MAX_TIMEOUT);

        // Request response =
        builder.sendRequest(requestData, new RequestCallback() {
            public void onResponseReceived(Request request, Response response) {
            }

            public void onError(Request request, Throwable exception) {
                if (exception instanceof RequestTimeoutException) {
                    Window.alert(((RequestTimeoutException) exception).getMessage());
                } else {
                    Window.alert(exception.getMessage());
                }
            }
        });

    } catch (com.google.gwt.http.client.RequestException e) {
        Window.alert("Unable to send the request: " + e.getMessage());
    }
}

From source file:com.qtitools.player.client.util.xml.XMLDocument.java

License:Open Source License

/**
 * Create assessment from xml//from   ww w  .j a v  a2 s . c  o  m
 */
public XMLDocument(String url, IDocumentLoaded l) {

    listener = l;
    RequestBuilder builder = new RequestBuilder(RequestBuilder.GET, URL.encode(url));
    baseUrl = url.substring(0, url.lastIndexOf("/") + 1);

    errorString = null;
    try {
        builder.sendRequest(null, new RequestCallback() {
            public void onError(Request request, Throwable exception) {
                // Couldn't connect to server (could be timeout, SOP violation, etc.)    
                errorString = "Error" + exception.toString();
            }

            public void onResponseReceived(Request request, Response response) {
                // StatusCode == 0 when loading from local file
                try {
                    if (response.getStatusCode() == 200 || response.getStatusCode() == 0) {

                        dom = XMLParser.parse(response.getText());
                        listener.finishedLoading(dom, baseUrl);

                    } else {
                        // Handle the error.  Can get the status text from response.getStatusText()
                        errorString = "Wrong status: " + response.getText();
                        listener.loadingErrorHandler(errorString);
                    }
                } catch (Exception e) {
                    listener.loadingErrorHandler(e.getMessage());
                }
            }
        });

    } catch (RequestException e) {
        // Couldn't connect to server    
        errorString = "Can't connect to the server: " + e.toString();
    } catch (DOMException e) {
        errorString = "Could not parse file: " + url;
    }

    if (errorString != null)
        listener.loadingErrorHandler(errorString);

}