Example usage for com.google.gwt.core.client JsonUtils safeEval

Introduction

In this page you can find the example usage for com.google.gwt.core.client JsonUtils safeEval.

Prototype

public static native <T extends JavaScriptObject> T safeEval(String json) ;

Source Link

Document

Evaluates a JSON expression safely.

Usage

From source file:org.cruxframework.crux.tools.codeserver.client.CodeServerNotifier.java

License:Apache License

private void addHandlers(final WebSocket socket) {
    socket.addCloseHandler(new SocketCloseHandler() {
        @Override/*from   www. ja va 2  s. c om*/
        public void onClose(SocketCloseEvent event) {
            logger.info("Compilation Notifier Socket was closed. Trying to reconnect...");
            socket.reconnect();
        }
    });

    socket.addOpenHandler(new SocketOpenHandler() {
        @Override
        public void onOpen(SocketOpenEvent event) {
            if (LogConfiguration.loggingIsEnabled()) {
                logger.log(Level.INFO, "Connected to Compilation Notifier service.");
            }
        }
    });
    socket.addErrorHandler(new SocketErrorHandler() {
        @Override
        public void onError(SocketErrorEvent event) {
            if (LogConfiguration.loggingIsEnabled()) {
                logger.log(Level.INFO, "Unexpected error on Compilation Notifier service socket.");
            }
        }
    });

    socket.addMessageHandler(new SocketMessageHandler() {
        @Override
        public void onMessage(SocketMessageEvent event) {
            try {
                String message = event.getMessage();
                CompilationMessage compilationMessage = JsonUtils.safeEval(message);

                switch (compilationMessage.getOperation()) {
                case START:
                    Screen.blockToUser();
                    logger.log(Level.INFO, "Module: " + compilationMessage.getModule());
                    dialogBox.show();
                    break;

                case END:
                    Screen.unblockToUser();
                    dialogBox.hide();
                    if (compilationMessage.getStatus()) {
                        Window.Location.reload();
                    } else {
                        Crux.getErrorHandler()
                                .handleError("Error compiling module " + compilationMessage.getModule() + ".");
                    }
                    break;
                }
            } catch (Exception e) {
                Crux.getErrorHandler().handleError("Error parsing message from Compilation Notifier service",
                        e);
            }
        }
    });
}

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From source file:org.eclipse.che.ide.examples.CheFluxLiveEditExtension.java

License:Open Source License

protected void connectToFlux(final String url) {

    final SocketIOOverlay io = getSocketIO();
    Log.info(getClass(), "connecting to " + url);

    socket = io.connect(url);//  w ww .  j av a  2s.  c  o m
    socket.on("error", new Runnable() {

        @Override
        public void run() {
            Log.info(getClass(), "error connecting to " + url);
        }
    });

    socket.on("liveResourceChanged", new Consumer<FluxResourceChangedEventDataOverlay>() {
        @Override
        public void accept(FluxResourceChangedEventDataOverlay event) {
            Document document = liveDocuments.get("/" + event.getProject() + "/" + event.getResource());
            if (document == null) {
                return;
            }
            String addedCharacters = event.getAddedCharacters();
            isUpdatingModel = true;
            document.replace(event.getOffset(), event.getRemovedCharCount(), addedCharacters);
            //    public void replace(int offset, int length, String text) {
            //   this.editorOverlay.setText(text, offset, offset + length);
            isUpdatingModel = false;
        }
    });

    socket.emit("connectToChannel", JsonUtils.safeEval("{\"channel\" : \"USER\"}"));

}

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From source file:org.eclipse.che.ide.flux.liveedit.CheFluxLiveEditExtension.java

License:Open Source License

protected void connectToFlux(final String url) {

    final SocketIOOverlay io = getSocketIO();
    Log.info(getClass(), "connecting to " + url);

    socket = io.connect(url);//w  w  w  .  j a  va  2  s  .  com
    socket.on("error", new Runnable() {
        @Override
        public void run() {
            Log.info(getClass(), "error connecting to " + url);
        }
    });

    socket.on("liveResourceChanged", new Consumer<FluxResourceChangedEventDataOverlay>() {
        @Override
        public void accept(FluxResourceChangedEventDataOverlay event) {
            Document document = liveDocuments.get("/" + event.getProject() + "/" + event.getResource());
            if (document == null) {
                return;
            }

            isUpdatingModel = true;
            path = document.getFile().getLocation();
            openedEditor = editorAgent.getOpenedEditor(path);
            if (openedEditor instanceof TextEditor) {
                textEditor = (TextEditor) openedEditor;
            }

            String annotationStyle;
            String username = event.getChannelName();
            updateCursorHandler(username);

            cursorHandlerForPairProgramming = cursorHandlers.get(username);
            annotationStyle = "pairProgramminigUser" + cursorHandlerForPairProgramming.getUserId();
            int offset = event.getOffset();

            if (openedEditor == null) {
                StatusNotification statusNotification = new StatusNotification(
                        document.getFile().getLocation().toString() + " is being edited", SUCCESS, FLOAT_MODE);
                statusNotification.setState(READ);
                notificationManager.notify(statusNotification);
                return;
            }
            if (event.getRemovedCharCount() == 0) {
                offset++;
            }
            String addedCharacters = event.getAddedCharacters();
            TextPosition cursorPosition = document.getCursorPosition();
            document.replace(event.getOffset(), event.getRemovedCharCount(), addedCharacters);
            document.setCursorPosition(cursorPosition);
            TextPosition markerPosition = textEditor.getDocument().getPositionFromIndex(offset);
            TextRange textRange = new TextRange(markerPosition, markerPosition);
            if (cursorHandlerForPairProgramming.getMarkerRegistration() != null) {
                cursorHandlerForPairProgramming.clearMark();
            }
            cursorHandlerForPairProgramming
                    .setMarkerRegistration(textEditor.getEditorWidget().addMarker(textRange, annotationStyle));
            cursorHandlers.remove(username);
            cursorHandlers.put(username, cursorHandlerForPairProgramming);
            isUpdatingModel = false;
        }
    });

    socket.on("liveCursorOffsetChanged", new Consumer<FluxResourceChangedEventDataOverlay>() {
        @Override
        public void accept(FluxResourceChangedEventDataOverlay event) {
            Document document = liveDocuments.get("/" + event.getProject() + "/" + event.getResource());
            if (document == null) {
                return;
            }

            isUpdatingModel = true;
            path = document.getFile().getLocation();
            openedEditor = editorAgent.getOpenedEditor(path);
            if (openedEditor instanceof TextEditor) {
                textEditor = (TextEditor) openedEditor;
            }

            String annotationStyle;
            String username = event.getChannelName();
            updateCursorHandler(username);

            cursorHandlerForPairProgramming = cursorHandlers.get(username);
            annotationStyle = "pairProgramminigUser" + cursorHandlerForPairProgramming.getUserId();
            int offset = event.getOffset();
            /*if removed count equals to -100 that means there is only a cursor change */
            TextPosition markerPosition = textEditor.getDocument().getPositionFromIndex(offset);
            TextRange textRange = new TextRange(markerPosition, markerPosition);
            if (cursorHandlerForPairProgramming.getMarkerRegistration() != null) {
                cursorHandlerForPairProgramming.clearMark();
            }
            cursorHandlerForPairProgramming
                    .setMarkerRegistration(textEditor.getEditorWidget().addMarker(textRange, annotationStyle));
            cursorHandlers.remove(username);
            cursorHandlers.put(username, cursorHandlerForPairProgramming);
            isUpdatingModel = false;
        }
    });

    socket.emit("connectToChannel", JsonUtils.safeEval("{\"channel\" : \"" + channelName + "\"}"));
}

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From source file:org.geomajas.gwt2.client.service.JsonService.java

License:Open Source License

/**
 * Takes in a trusted JSON String and evals it.
 * /*from w w w . j av a 2  s . c o m*/
 * @param jsonString JSON string that you trust.
 * @return JavaScriptObject that you can cast to an Overlay Type
 */
public static JavaScriptObject eval(String jsonString) {
    return JsonUtils.safeEval(jsonString);
}

---

From source file:org.gwtbootstrap3.extras.slider.client.ui.base.SliderBase.java

License:Apache License

private List<Double> getNumberArrayAttribute(SliderOption option, List<Double> defaultValue) {

    // Get array attribute
    JsArrayNumber array = null;//from ww  w .j  av a 2s.c  o  m
    if (isAttached()) {
        array = getNumberArrayAttribute(getElement(), option.getName());
    } else {
        String value = attributeMixin.getAttribute(option.getDataAttribute());
        if (value != null && !value.isEmpty()) {
            array = JsonUtils.safeEval(value);
        }
    }

    // Attribute not set
    if (array == null) {
        return defaultValue;
    }

    // Put array to list
    List<Double> list = new ArrayList<Double>(array.length());
    for (int i = 0; i < array.length(); i++) {
        list.add(array.get(i));
    }
    return list;
}

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From source file:org.gwtbootstrap3.extras.slider.client.ui.base.SliderBase.java

License:Apache License

private List<String> getStringArrayAttribute(SliderOption option, List<String> defaultValue) {

    // Get array attribute
    JsArrayString array = null;//from w ww . j a  v a 2  s  .  c  o  m
    if (isAttached()) {
        array = getStringArrayAttribute(getElement(), option.getName());
    } else {
        String value = attributeMixin.getAttribute(option.getDataAttribute());
        if (value != null && !value.isEmpty()) {
            array = JsonUtils.safeEval(value);
        }
    }

    // Attribute not set
    if (array == null) {
        return defaultValue;
    }

    // Put array to list
    List<String> list = new ArrayList<String>(array.length());
    for (int i = 0; i < array.length(); i++) {
        list.add(array.get(i));
    }
    return list;
}

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From source file:org.gwtbootstrap3.extras.slider.client.ui.Range.java

License:Apache License

/**
 * Converts the given string to a range instance.<br>
 * <br>//from   ww  w .ja v a 2  s .c o m
 * Useful when using UiBinder.
 *
 * @param value
 * @return
 */
public static Range fromString(String value) {
    if (value == null || value.isEmpty())
        return null;
    JsArrayNumber array = JsonUtils.safeEval(value);
    return new Range(array);
}

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From source file:org.iplantc.phyloviewer.client.tree.viewer.OverviewView.java

License:Creative Commons License

public OverviewView(int width, int height) {
    this.width = width;
    this.height = height;

    canvas = new Canvas(width, height);

    this.add(canvas);

    this.addMouseMoveHandler(new MouseMoveHandler() {

        @Override//  www  . jav  a 2s.com
        public void onMouseMove(MouseMoveEvent arg0) {
            int x = arg0.getX();
            int y = arg0.getY();

            // Project the point in screen space to object space.
            Vector2 position = new Vector2((double) x / OverviewView.this.width,
                    (double) y / OverviewView.this.height);

            ITree tree = getTree();
            if (tree != null) {
                String layoutID = OverviewView.this.getLayoutType().toString();

                treeIntersectService.intersectTree(tree.getRootNode().getId(), layoutID, position.getX(),
                        position.getY(), new AsyncCallback<String>() {

                            @Override
                            public void onFailure(Throwable arg0) {
                                hit = null;
                                OverviewView.this.requestRender();
                            }

                            @Override
                            public void onSuccess(String arg0) {
                                JsHitResult result = (JsHitResult) JsonUtils.safeEval(arg0);
                                hit = result.getHit();
                                OverviewView.this.requestRender();
                            }
                        });
            }
        }

    });

    this.addMouseDownHandler(new MouseDownHandler() {

        @Override
        public void onMouseDown(MouseDownEvent arg0) {
            if (hit != null) {
                Box2D bbox = ConvertMathTypes.convertToBox2(hit.boundingBox());
                zoomToBoundingBox(bbox);
            }
        }
    });
}

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From source file:org.jboss.as.quickstarts.gwthelloworld.client.local.HelloWorldClient.java

License:Apache License

/**
 * Handles a click of the button by sending an AJAX request to the HelloWorldResource and then updating the {@code result}
 * label in response.//w ww  .j ava2 s.  c  om
 * 
 * @param e Details of the click event. Ignored by this handler.
 */
@UiHandler("sayHelloButton")
public void onButtonClick(ClickEvent e) {
    try {
        new RequestBuilder(RequestBuilder.GET, "hello/json/" + URL.encodePathSegment(name.getValue()))
                .sendRequest(null, new RequestCallback() {

                    @Override
                    public void onResponseReceived(Request request, Response response) {
                        if (response.getStatusCode() == Response.SC_OK) {
                            HelloResponse r = (HelloResponse) JsonUtils.safeEval(response.getText());
                            result.setText(r.getResult());
                        } else {
                            handleError("Server responded with status code " + response.getStatusCode());
                        }
                    }

                    @Override
                    public void onError(Request request, Throwable exception) {
                        handleError(exception.getMessage());
                    }
                });
    } catch (RequestException exception) {
        handleError(exception.getMessage());
    }
}

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From source file:org.jbpm.console.ng.ht.forms.client.display.displayers.process.AbstractStartProcessFormDisplayer.java

License:Apache License

protected void eventListener(String origin, String request) {
    if (origin == null || !origin.endsWith("//" + opener)) {
        return;//  ww  w .  j av a  2  s . c o  m
    }

    ActionRequest actionRequest = JsonUtils.safeEval(request);

    if (ACTION_START_PROCESS.equals(actionRequest.getAction())) {
        startProcessFromDisplayer();
    }
}

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