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

Source Link

Usage

From source file:grails.plugin.console.charts.client.application.AbstractApplicationPresenter.java

License:Apache License

@Override
protected void onReset() {
    if (result == null) {
        if (AppUtils.QUERY != null) {
            if (AppUtils.CONNECTION_STRING == null) {
                getView().error("Not connected to server");

                return;
            }// w  w w  .java  2  s. c o  m

            if (AppUtils.CONNECT_STATUS == null) {
                try {
                    String url = AppUtils.getConnectPath() + "?data="
                            + URL.encodePathSegment(AppUtils.CONNECTION_STRING);
                    RequestBuilder rb = new RequestBuilder(RequestBuilder.GET, url);

                    rb.setCallback(new RequestCallback() {
                        @Override
                        public void onResponseReceived(Request request, Response response) {
                            ConnectStatus status = AutoBeanCodex
                                    .decode(AppUtils.BEAN_FACTORY, ConnectStatus.class, response.getText())
                                    .as();

                            if (status.isConnected()) {
                                AppUtils.CONNECT_STATUS = status;

                                ConnectedEvent.fire(AbstractApplicationPresenter.this,
                                        status.getConnectionString(), status.getStatus());

                                loadData();
                            } else {
                                String error = (status.getException() != null
                                        ? " (" + status.getException() + ") "
                                        : "") + status.getError();
                                Window.alert("Error occurred: " + error);
                            }
                        }

                        @Override
                        public void onError(Request request, Throwable exception) {
                            Window.alert("Error occurred: " + exception.getMessage());
                        }
                    });

                    rb.send();
                } catch (RequestException e) {
                    Window.alert("Error occurred: " + e.getMessage());
                }
            } else {
                loadData();
            }
        }
    } else {
        getView().view(AppUtils.VIEW, result);
    }
}

From source file:grails.plugin.console.charts.client.application.AbstractApplicationPresenter.java

License:Apache License

private void loadData() {
    getView().loading();/*from  www  .jav  a2s. c o  m*/

    try {
        RequestBuilder rb = new RequestBuilder(RequestBuilder.GET,
                AppUtils.getDataPath() + "?query="
                        + URL.encodeQueryString(AppUtils.encodeBase64(AppUtils.QUERY)) + "&appearance="
                        + URL.encodePathSegment(AppUtils.encodeBase64(AppUtils.APPEARANCE))
                        + "&connectionString=" + URL.encodePathSegment(AppUtils.CONNECTION_STRING));

        rb.setCallback(new RequestCallback() {
            @Override
            public void onResponseReceived(Request request, Response response) {
                try {
                    JSONValue value = JSONParser.parseStrict(response.getText());
                    result = value.isObject();

                    if (result.get("error") != null) {
                        getView().error(result);
                        return;
                    }

                    getView().view(AppUtils.VIEW, result);
                } catch (Exception exception) {
                    getView().error("Can't parse data JSON: " + exception.getMessage());
                } finally {
                    result = null;
                }
            }

            @Override
            public void onError(Request request, Throwable exception) {
                getView().error("Error occurred: " + exception.getMessage());
            }
        });

        rb.send();
    } catch (RequestException e) {
        getView().error("Error occurred: " + e.getMessage());
    }
}

From source file:grails.plugin.console.charts.client.application.share.AbstractSharePresenter.java

License:Apache License

@Override
public void onGetLinkClicked(String format) {
    ShareDetails details = getView().getEditorDriver().flush();
    details.setConnectionString(AppUtils.CONNECTION_STRING);
    details.setQuery(AppUtils.QUERY);/*from   w w  w  .j a va  2 s.  c  o m*/
    details.setAppearance(AppUtils.APPEARANCE);
    details.setView(AppUtils.VIEW);

    // Retrieve the AutoBean controller
    AutoBean<ShareDetails> bean = AutoBeanUtils.getAutoBean(details);

    String json = AutoBeanCodex.encode(bean).getPayload();

    try {
        RequestBuilder rb = new RequestBuilder(RequestBuilder.POST,
                AppUtils.getLinkPath() + "?format=" + format);

        rb.sendRequest(json, new RequestCallback() {
            @Override
            public void onResponseReceived(Request request, Response response) {
                JSONValue value = JSONParser.parseStrict(response.getText());
                JSONObject result = value.isObject();

                if (result.get("error") != null) {
                    Window.alert("Error occurred: " + result.get("error").isString().stringValue());
                    return;
                }

                getView().setLink(result.get("link").isString().stringValue());
            }

            @Override
            public void onError(Request request, Throwable exception) {
                Window.alert("Error occurred: " + exception.getMessage());
            }
        });
    } catch (RequestException e) {
        Window.alert("Error occurred: " + e.getMessage());
    }

}

From source file:gwt.dojo.showcase.client.Showcase.java

License:Apache License

private void loadAndSwitchView(final ListItem listItem) {

    final RequestCallback requestCallback = new RequestCallback() {
        @Override/*  w w w .j av  a 2s.  c om*/
        public void onResponseReceived(Request request, Response response) {
            if (200 == response.getStatusCode()) {
                try {
                    // Process the response in response.getText()

                    // fillInDemoSource();
                    DivElement rightPane = Document.get().getElementById("rightPane").cast();
                    DivElement tmpContainer = Document.get().createDivElement();
                    tmpContainer.setInnerHTML(response.getText());
                    rightPane.appendChild(tmpContainer);
                    JsArray ws = MobileParser.parse(tmpContainer);
                    for (int i = 0, n = ws.length(); i < n; i++) {
                        if (ws.getJsObject(i).hasProperty("startup")) {
                            _WidgetBase w = ws.getJsObject(i);
                            w.startup();
                        }
                    }

                    // reparent
                    rightPane.removeChild(tmpContainer);
                    NodeList<Node> children = tmpContainer.getChildNodes();
                    for (int i = 0, n = children.getLength(); i < n; i++) {
                        Element elem = tmpContainer.getChild(i).cast();
                        rightPane.appendChild(elem);
                    }

                    showProgressIndicator(false);
                    Scheduler.get().scheduleDeferred(new ScheduledCommand() {
                        @Override
                        public void execute() {
                            initView(listItem);
                            listItem.transitionTo(listItem.getString("viewId"));
                            // triggreTransition(listItem,
                            // listItem.getString("id"));
                        }
                    });
                } catch (Exception e) {
                    Window.alert("Error: " + e);
                }
            } else {
                // Handle the error. Can get the status text from
                // response.getStatusText()
                onError(request, new RequestException("HTTP Error: " + response.getStatusCode()));
            }
        }

        @Override
        public void onError(Request request, Throwable exception) {
            Window.alert("Failed to load demo.");
            showProgressIndicator(false);
            inTransitionOrLoading = false;
        }
    };

    showProgressIndicator(true);

    String url = listItem.getString("demourl");
    RequestBuilder builder = new RequestBuilder(RequestBuilder.GET, URL.encode(url));

    Request request = null;
    try {
        request = builder.sendRequest(null, requestCallback);
    } catch (RequestException e) {
        requestCallback.onError(request, e);
    }
}

From source file:gwt.g3d.resources.client.impl.AbstractExternalMeshResource.java

License:Apache License

/**
 * Helper method for loading a mesh./*  ww  w  . j a va2  s.  c  o  m*/
 * 
 * @param externalImageResource
 * @param textureResource
 */
protected void getMesh(String url, final MeshDataInfo meshDataInfo,
        final ResourceCallback<MeshResource> callback) {
    RequestBuilder request = new RequestBuilder(RequestBuilder.POST, url);
    request.setCallback(new RequestCallback() {
        @Override
        public void onResponseReceived(Request request, Response response) {
            callback.onSuccess(new AbstractMeshResource(meshDataInfo, JSONParser.parse(response.getText())) {
                @Override
                public String getName() {
                    return AbstractExternalMeshResource.this.getName();
                }
            });
        }

        @Override
        public void onError(Request request, Throwable exception) {
            callback.onError(new ResourceException(AbstractExternalMeshResource.this, exception.getMessage()));
        }
    });
    try {
        request.send();
    } catch (RequestException e) {
        callback.onError(new ResourceException(AbstractExternalMeshResource.this, e.getMessage()));
    }
}

From source file:ibeans.client.IBeansConsole2.java

License:Open Source License

protected void loadTabs(final IBeansConsole2 console) {
    if (user.isShowWelcome()) {
        final TabItem welcomeTab = new TabItem();
        welcomeTab.setText("Welcome");
        welcomeTab.setScrollMode(Style.Scroll.AUTOX);
        RequestBuilder req = new RequestBuilder(RequestBuilder.GET,
                GWT.getHostPageBaseURL() + "welcome-beta.html");
        req.setCallback(new RequestCallback() {
            public void onResponseReceived(Request request, Response response) {
                welcomeTab.add(new Html(response.getText()));
                //                    final CheckBox box = new CheckBox(" Do not show this screen in future");
                //                    //box.setStyleName("welcome-check");
                //                    box.addClickHandler(new ClickHandler()
                //                    {
                //                        public void onClick(ClickEvent event)
                //                        {
                //                            user.setShowWelcome(box.getValue());
                //                            saveUserInfo(user);
                //                        }
                //                    });
                //                    welcomeTab.add(box);
                welcomeTab.layout();/*from   ww w . j a va  2s  . co m*/
            }

            public void onError(Request request, Throwable exception) {
                errorStatus(exception);
            }
        });
        try {
            req.send();
        } catch (RequestException e) {
            errorStatus(e);
        }
        tabPanel.add(welcomeTab);
    }

    TabItem configTab = new TabItem();
    configTab.setText("Configure");
    configTab.setLayout(new FlowLayout());
    configTab.add(new InstalledPluginsPanel(console));
    configTab.layout();

    TabItem storeTab = new TabItem();
    storeTab.setText("iBeans Central");
    storeTab.add(new IBeansCentralPanel(console));

    TabItem examplesTab = new TabItem();
    examplesTab.setText("Examples");
    examplesTab.add(new ExamplesPanel(console));

    tabPanel.add(examplesTab);
    tabPanel.add(configTab);
    tabPanel.add(storeTab);
}

From source file:io.apiman.manager.ui.client.local.pages.ImportServicesPage.java

License:Apache License

/**
 * Called when the user clicks Next on the wadl page of the wizard.
 * @param event/*from w  w  w.  jav  a 2s . c  om*/
 */
@EventHandler("wadlNext")
public void onWadlNext(ClickEvent event) {
    wadlNext.onActionStarted();
    if (wadlUrl.getValue() != null && !wadlUrl.getValue().isEmpty()) {
        String proxyUrl = GWT.getHostPageBaseURL();
        if (!proxyUrl.endsWith("/")) { //$NON-NLS-1$
            proxyUrl = proxyUrl + "/"; //$NON-NLS-1$
        }
        proxyUrl = proxyUrl + "proxies/fetch"; //$NON-NLS-1$
        final String url = wadlUrl.getValue();
        RequestBuilder builder = new RequestBuilder(RequestBuilder.GET, proxyUrl);
        builder.setHeader("X-Apiman-Url", url); //$NON-NLS-1$
        builder.setCallback(new RequestCallback() {
            @Override
            public void onResponseReceived(Request request, Response response) {
                if (response.getStatusCode() == 200) {
                    String wadlData = response.getText();
                    List<ServiceVersionBean> servicesToImport = new ArrayList<ServiceVersionBean>();
                    processWadl(wadlData, servicesToImport, url);
                    wadlNext.onActionComplete();
                    services.setValue(servicesToImport);
                    servicesSelectAll.setValue(Boolean.TRUE);
                    if (servicesToImport.isEmpty()) {
                        yesButton.setEnabled(false);
                    }
                    showConfirmationPage("wadlPage"); //$NON-NLS-1$
                } else {
                    try {
                        throw new Exception(i18n.format(AppMessages.WADL_FETCH_FAIL,
                                String.valueOf(response.getStatusCode()), response.getStatusText()));
                    } catch (Exception e) {
                        dataPacketError(e);
                    }
                }
            }

            @Override
            public void onError(Request request, Throwable exception) {
                dataPacketError(exception);
            }
        });
        try {
            builder.send();
        } catch (RequestException e) {
            dataPacketError(e);
        }
    } else if (!wadlFile.getValue().isEmpty() || !wadlDropZone.getValue().isEmpty()) {
        final List<JavaScriptFile> files = new ArrayList<JavaScriptFile>();
        if (!wadlFile.getValue().isEmpty()) {
            files.addAll(wadlFile.getValue());
        } else {
            files.addAll(wadlDropZone.getValue());
        }
        final List<JavaScriptFile> loadedFiles = new ArrayList<JavaScriptFile>();
        final List<ServiceVersionBean> servicesToImport = new ArrayList<ServiceVersionBean>();
        for (final JavaScriptFile file : files) {
            logger.info("Loading data from WADL: " + file.getName()); //$NON-NLS-1$
            file.readAsText(new IDataReadHandler() {
                @Override
                public void onDataLoaded(String data) {
                    processWadl(data, servicesToImport, file.getName());
                    loadedFiles.add(file);
                    if (loadedFiles.size() == files.size()) {
                        wadlNext.onActionComplete();
                        services.setValue(servicesToImport);
                        servicesSelectAll.setValue(Boolean.TRUE);
                        if (servicesToImport.isEmpty()) {
                            yesButton.setEnabled(false);
                        }
                        showConfirmationPage("wadlPage"); //$NON-NLS-1$
                    }
                }
            });
        }
    }
}

From source file:io.apiman.manager.ui.client.local.services.ConfigurationService.java

License:Apache License

/**
 * Starts a timer that will refresh the configuration's bearer token
 * periodically./*  w ww.  j a  v  a2s  .c  o  m*/
 */
private void startTokenRefreshTimer() {
    Timer timer = new Timer() {
        @Override
        public void run() {
            GWT.log("Refreshing auth token."); //$NON-NLS-1$

            final String url = GWT.getHostPageBaseURL() + "rest/tokenRefresh"; //$NON-NLS-1$
            RequestBuilder builder = new RequestBuilder(RequestBuilder.GET, URL.encode(url));
            try {
                builder.sendRequest(null, new RequestCallback() {
                    @Override
                    public void onResponseReceived(Request request, Response response) {
                        if (response.getStatusCode() != 200) {
                            GWT.log("[001] Authentication token refresh failure: " + url); //$NON-NLS-1$
                        } else {
                            BearerTokenCredentialsBean bean = new BearerTokenCredentialsBean();
                            JSONObject root = JSONParser.parseStrict(response.getText()).isObject();
                            bean.setToken(root.get("token").isString().stringValue()); //$NON-NLS-1$
                            bean.setRefreshPeriod((int) root.get("refreshPeriod").isNumber().doubleValue()); //$NON-NLS-1$
                            configuration.getApi().getAuth().setBearerToken(bean);
                        }
                        startTokenRefreshTimer();
                    }

                    @Override
                    public void onError(Request request, Throwable exception) {
                        GWT.log("[002] Authentication token refresh failure: " + url); //$NON-NLS-1$
                    }
                });
            } catch (RequestException e) {
                GWT.log("Authentication token refresh failed!"); //$NON-NLS-1$
            }
        }
    };
    timer.schedule(configuration.getApi().getAuth().getBearerToken().getRefreshPeriod() * 1000);
}

From source file:io.reinert.requestor.RequestDispatcherImpl.java

License:Apache License

private <D> RequestCallback getRequestCallback(final Request request, final XMLHttpRequest xhr,
        final Deferred<D> deferred, final Class<D> resolveType, final Class<?> parametrizedType) {
    return new RequestCallback() {
        public void onResponseReceived(com.google.gwt.http.client.Request gwtRequest,
                com.google.gwt.http.client.Response gwtResponse) {
            final String responseType = xhr.getResponseType();

            final Payload payload = responseType.isEmpty() || responseType.equalsIgnoreCase("text")
                    ? new Payload(xhr.getResponseText())
                    : new Payload(xhr.getResponse());

            final RawResponseImpl response = new RawResponseImpl(gwtResponse.getStatusCode(),
                    gwtResponse.getStatusText(), new Headers(gwtResponse.getHeaders()),
                    ResponseType.of(responseType), payload);

            evalResponse(request, deferred, resolveType, parametrizedType, response);
        }/*from   w ww. ja  va  2s.c o  m*/

        public void onError(com.google.gwt.http.client.Request gwtRequest, Throwable exception) {
            if (exception instanceof com.google.gwt.http.client.RequestTimeoutException) {
                // reject as timeout
                com.google.gwt.http.client.RequestTimeoutException e = (com.google.gwt.http.client.RequestTimeoutException) exception;
                deferred.reject(new RequestTimeoutException(request, e.getTimeoutMillis()));
            } else {
                // reject as generic request exception
                deferred.reject(new RequestException(exception));
            }
        }
    };
}

From source file:mcamara.client.QwebScormApp.java

License:Open Source License

public void onModuleLoad() {
    RequestBuilder builder = new RequestBuilder(RequestBuilder.GET, "cuestionario.xml");
    try {//from w  w  w  .  j  a va 2s  .  co m
        builder.sendRequest(null, new RequestCallback() {
            public void onResponseReceived(Request request, Response response) {
                cuestionario = Util.XMLtoCuestionario(response.getText());
                m = Util.getMensajes(cuestionario.getIdioma());
                if (cuestionario.getTipo().equals("autoevaluacion")) {
                    DialogBox ppresentacion = new PPresentacion(cuestionario);
                    RootPanel.get().add(ppresentacion);
                } else if (cuestionario.getTipo().equals("tutorial")) {
                    DialogBox ptutorial = new PTutorial(cuestionario, -1);
                    RootPanel.get().add(ptutorial);
                } else
                    Window.alert(m.cuestionarionovalido());
            }

            public void onError(Request request, Throwable exception) {
                Window.alert(m.error());
            }
        });
    } catch (RequestException e) {
        Window.alert(m.error());
    }
}