Example usage for com.google.gwt.json.client JSONValue isObject

List of usage examples for com.google.gwt.json.client JSONValue isObject

  1. HOME
  2. Java
  3. com.google.gwt
  4. com.google.gwt.json.client.*
  5. JSONValue
  6. isObject

Introduction

In this page you can find the example usage for com.google.gwt.json.client JSONValue isObject.

Prototype

public JSONObject isObject()

Source Link

Document

Returns non-null if this JSONValue is really a JSONObject.

Usage

From source file:org.vaadin.alump.offlinebuilder.client.offline.OfflineFactory.java

License:Open Source License

protected void readState(OfflineConnector connector) {
    JSONValue jsonState = OfflineStorage.getStateJson(connector.getConnectorId());
    SharedState state = decodeState(jsonState, connector.getState(), connector.getConnection());
    if (state != null) {
        connector.onOfflineState(state, jsonState.isObject());
        List<String> children = OfflineStorage.getChildren(connector.getConnectorId());

        if (children != null) {
            List<OfflineConnector> added = new ArrayList<OfflineConnector>();
            for (String pid : children) {
                OfflineConnector childConnector = getOfflineConnector(pid);
                added.add(childConnector);
            }// w w  w. jav a 2  s  .c o  m
            if (!added.isEmpty()) {
                OfflineUtil.handleOfflineConnectorChange((OfflineContainerConnector) connector, added);
            }
            for (OfflineConnector child : added) {
                readState(child);
            }
        }
    } else {
        logger.severe("Failed to read state of component " + connector.getConnectorId()
                + ", leaving it uninitialized.");
    }
}

From source file:org.waveprotocol.wave.client.gadget.renderer.GadgetMetadata.java

License:Apache License

/**
 * Helper function to extract a JSONObject from a JSONValue if it exists.
 *
 * @param json JSON object to extract the value from.
 * @param key key of the value to extract.
 * @return the JSONObject if it exists./* w  ww  .j a  v a 2 s . co  m*/
 */
private static JSONObject getJsonObjectValue(JSONObject json, String key) {
    JSONValue value = json.get(key);
    return (value != null) ? value.isObject() : null;
}

From source file:org.waveprotocol.wave.client.wavepanel.impl.toolbar.gadget.GwtGadgetInfoParser.java

License:Apache License

private GadgetInfo parseGadgetInfo(JSONValue item) {
    JSONObject object = item.isObject();
    if (object != null) {
        String name = object.get("name").isString().stringValue();
        String desc = object.get("desc").isString().stringValue();
        GadgetCategoryType primaryCategory = GadgetCategoryType
                .of(object.get("primaryCategory").isString().stringValue());
        GadgetCategoryType secondaryCategory = GadgetCategoryType
                .of(object.get("secondaryCategory").isString().stringValue());
        String gadgetUrl = object.get("gadgetUrl").isString().stringValue();
        String author = object.get("author").isString().stringValue();
        String submittedBy = object.get("submittedBy").isString().stringValue();
        String imageUrl = object.get("imageUrl").isString().stringValue();

        return new GadgetInfo(name, desc, primaryCategory, secondaryCategory, gadgetUrl, author, submittedBy,
                imageUrl);//from  w w  w.j ava2  s  .c o  m
    }
    return null;
}

From source file:org.waveprotocol.wave.examples.client.webclient.client.WaveWebSocketClient.java

License:Apache License

public WaveWebSocketClient(final WaveWebSocketCallback callback) {
    submitRequestCallbacks = new HashMap<Integer, SubmitResponseCallback>();
    WebSocketCallback wsCallback = new WebSocketCallback() {

        public void onConnect() {
            connected = ConnectState.CONNECTED;
            callback.connected();/*from w ww  .j  a va 2  s.co m*/
        }

        public void onDisconnect() {
            connected = ConnectState.DISCONNECTED;
            callback.disconnected();
        }

        public void onMessage(final String message) {
            LOG.info("received JSON message " + message);
            JSONValue json = JSONParser.parse(message);
            // TODO(arb): pull apart the wrapper, extract the message.
            JSONObject wrapper = json.isObject();
            String messageType = wrapper.get("messageType").isString().stringValue();
            String payload = wrapper.get("messageJson").isString().stringValue();
            if (messageType.equals("ProtocolWaveletUpdate")) {
                ProtocolWaveletUpdate payloadMessage = ProtocolWaveletUpdate.parse(payload);
                callback.handleWaveletUpdate(payloadMessage);
            } else if (messageType.equals("ProtocolSubmitResponse")) {
                ProtocolSubmitResponse payloadMessage = ProtocolSubmitResponse.parse(payload);
                SubmitResponseCallback submitCallback = submitRequestCallbacks
                        .get((int) wrapper.get("sequenceNumber").isNumber().doubleValue());
                submitCallback.run(payloadMessage);
            }
        }
    };

    client = new WebSocket(wsCallback);
}

From source file:org.xwiki.gwt.wysiwyg.client.MenuItemDescriptorJSONParser.java

License:Open Source License

/**
 * Creates a menu item descriptor from the given JSON value.
 * // ww w . ja v a 2 s .co m
 * @param value a JSON value
 * @return a menu item descriptor
 */
private MenuItemDescriptor getMenuItemDescriptor(JSONValue value) {
    JSONString feature = value.isString();
    if (feature != null) {
        return new MenuItemDescriptor(feature.stringValue());
    } else {
        JSONObject jsDescriptor = value.isObject();
        if (jsDescriptor == null) {
            return null;
        }
        JSONValue oFeature = jsDescriptor.get("feature");
        if (oFeature == null || oFeature.isString() == null) {
            return null;
        }
        MenuItemDescriptor descriptor = new MenuItemDescriptor(oFeature.isString().stringValue());
        JSONValue subMenu = jsDescriptor.get("subMenu");
        if (subMenu != null) {
            descriptor.getSubMenu().addAll(getMenuItemDescriptors(subMenu));
        }
        return descriptor;
    }
}

From source file:pt.ist.processpedia.client.translator.JsonTranslator.java

License:Open Source License

public Object parse(String externalizedObject) throws CannotTranslateObjectException {
    JSONValue jsonValue = parseJson(externalizedObject);
    JSONObject jsonObject = jsonValue.isObject();
    if (jsonObject != null) {
        if (jsonObject.containsKey(ID_KEY)) {
            return parseObject(jsonObject);
        } else if (jsonObject.containsKey(ERROR_CODE_KEY)) {
            return parseException(jsonObject);
        } else {/*w  ww  .j  av  a  2s  .  c  o m*/
            throw new CannotTranslateObjectException(externalizedObject);
        }
    } else {
        throw new CannotTranslateObjectException(externalizedObject);
    }
}

From source file:rocket.json.client.JsonSerializer.java

License:Apache License

public Map<String, Object> readMap(final JSONValue jsonValue) {
    final Map<String, Object> map = new HashMap<String, Object>();
    if (null != jsonValue) {
        final JSONObject object = jsonValue.isObject();
        final Iterator<String> keys = object.keySet().iterator();
        while (keys.hasNext()) {
            final String key = (String) keys.next();
            final JSONValue value = (JSONValue) object.get(key);

            final Object mapValue = this.readObject(value);

            map.put(key, mapValue);/*from   w ww. j a va2 s .  c om*/
        }
    }
    return map;
}

From source file:rpc.client.data.JSONSerializer.java

License:Open Source License

private Object fromJSONValue(JSONValue jsonValue, Type expected) throws NoSuitableSerializableFactory {

    if (jsonValue == null) {
        return null;
    }/* ww  w . j ava 2s.  co  m*/

    // Null
    JSONNull asNull = jsonValue.isNull();
    if (asNull != null) {
        return null;
    }

    // Boolean
    JSONBoolean asBoolean = jsonValue.isBoolean();
    if (asBoolean != null) {
        return asBoolean.booleanValue();
    }

    // Integer
    // Long
    // Float
    // Double
    JSONNumber asNumber = jsonValue.isNumber();
    if (asNumber != null) {
        double value = asNumber.doubleValue();

        if (expected.isInteger()) {
            return (int) value;
        }

        if (expected.isLong()) {
            return (long) value;
        }

        if (expected.isFloat()) {
            return (float) value;
        }

        if (expected.isDouble()) {
            return value;
        }
    }

    // String
    // Enum
    JSONString asString = jsonValue.isString();
    if (asString != null) {
        if (expected.isEnum()) {
            String value = asString.stringValue();
            return Enum.valueOf((Class) expected.getTypeClass(), value);
        } else {
            return asString.stringValue();
        }
    }

    // Map
    // Serializable
    JSONObject asObject = jsonValue.isObject();
    if (asObject != null) {
        if (expected.isMap()) {
            Map<Object, Object> map = new HashMap<Object, Object>();

            Type keyType = expected.getParameterized(0);
            Type valueType = expected.getParameterized(1);

            if (!(keyType.isString() || keyType.isEnum())) {
                return null;
            }

            for (String key : asObject.keySet()) {
                JSONValue value = asObject.get(key);

                if (keyType.isString()) {
                    map.put(key, fromJSONValue(value, valueType));
                }

                if (keyType.isEnum()) {
                    map.put(Enum.valueOf((Class) keyType.getTypeClass(), key), fromJSONValue(value, valueType));
                }
            }

            return map;
        } else {
            if (provider == null) {
                throw new NoSuitableSerializableFactory();
            }

            Serializable object = provider.make(expected);

            for (Map.Entry<String, Type> entry : object.fields().entrySet()) {

                String field = entry.getKey();
                Type fieldType = entry.getValue();

                JSONValue value = asObject.get(field);
                object.set(field, fromJSONValue(value, fieldType));
            }

            return object;
        }
    }

    // List
    JSONArray asArray = jsonValue.isArray();
    if (asArray != null) {
        int size = asArray.size();

        List<Object> list = new ArrayList<Object>();
        Type itemType = expected.getParameterized(0);

        for (int i = 0; i < size; i++) {
            JSONValue value = asArray.get(i);
            list.add(fromJSONValue(value, itemType));
        }

        return list;
    }

    return null;
}

From source file:stroom.dashboard.client.vis.PostMessage.java

License:Apache License

private static void receiveMessage(final MessageEvent event) {
    try {//  w  w w . j  a va2 s.c o  m
        final JSONValue json = JSONParser.parseStrict(event.getData());
        final JSONObject message = json.isObject();
        final Integer frameId = JSONUtil.getInteger(message.get("frameId"));
        if (frameId == null) {
            Window.alert("PostMessage - receiveMessage() - Null frame id");
        } else {
            final FrameListener frameListener = frameListeners.get(frameId);
            if (frameListener != null) {
                frameListener.receiveMessage(event, message);
            }
        }
    } catch (final Exception e) {
        Window.alert("PostMessage - receiveMessage() - " + e.getMessage());
    }
}

From source file:stroom.util.client.JSONUtil.java

License:Apache License

public static JSONObject getObject(final JSONValue v) {
    if (v != null) {
        return v.isObject();
    }//www  .j a  v a  2  s .c o m
    return null;
}