Java Code Examples for com.google.gwt.json.client.JSONValue#isObject()

private static String extractFormName(RpcResult result) {
  String extraString = result.getExtra();
  if (extraString != null) {
    JSONValue extraJSONValue = JSONParser.parseStrict(extraString);
    JSONObject extraJSONObject = extraJSONValue.isObject();
    if (extraJSONObject != null) {
      JSONValue formNameJSONValue = extraJSONObject.get("formName");
      if (formNameJSONValue != null) {
        JSONString formNameJSONString = formNameJSONValue.isString();
        if (formNameJSONString != null) {
          return formNameJSONString.stringValue();
        }
      }
    }
  }
  return "Screen1";
}
 

public static ProjectLayerStyle getStyle(String geoJSONCSS) {
	ProjectLayerStyle style = null;
	final JSONValue jsonValue = JSONParser.parseLenient(geoJSONCSS);
	final JSONObject geoJSONCssObject = jsonValue.isObject();

	if (geoJSONCssObject.containsKey(GeoJSONCSS.STYLE_NAME)) {

		JSONObject styleObject = geoJSONCssObject
				.get(GeoJSONCSS.STYLE_NAME).isObject();

		String fillColor = getStringValue(styleObject, FILL_COLOR_NAME);
		Double fillOpacity = getDoubleValue(styleObject, FILL_OPACITY_NAME);
		if(fillOpacity == null) {
			fillOpacity = getDoubleValue(styleObject, FILL_OPACITY2_NAME);				
		}
		String strokeColor = getStringValue(styleObject, STROKE_COLOR_NAME);
		Double strokeWidth = getDoubleValue(styleObject, STROKE_WIDTH_NAME);

		style = new ProjectLayerStyle(fillColor, fillOpacity, strokeColor,
				strokeWidth);
	}

	return style;
}
 

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);
  }
  return null;
}
 

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);
  }
  return null;
}
 

public BootstrapServer restoreSelection() {
    if (storage != null) {
        //noinspection MismatchedQueryAndUpdateOfCollection
        StorageMap storageMap = new StorageMap(storage);
        if (storageMap.containsKey(KEY)) {
            String json = storageMap.get(SELECTED);
            if (json != null) {
                JSONValue jsonValue = JSONParser.parseStrict(json);
                if (jsonValue != null) {
                    JSONObject jsonObject = jsonValue.isObject();
                    if (jsonObject != null) {
                        AutoBean<BootstrapServer> bean = AutoBeanCodex
                                .decode(factory, BootstrapServer.class, jsonObject.toString());
                        return bean.as();
                    }
                }
            }
        }
    }
    return null;
}
 

private String extractFailure(final JSONObject response) {
    String failure = "n/a";
    JSONValue failureValue = response.get(FAILURE_DESCRIPTION);
    if (failureValue.isString() != null) {
        failure = failureValue.isString().stringValue();
    } else if (failureValue.isObject() != null) {
        JSONObject failureObject = failureValue.isObject();
        for (String key : failureObject.keySet()) {
            if (key.contains("failure") && failureObject.get(key).isString() != null) {
                failure = failureObject.get(key).isString().stringValue();
                break;
            }
        }
    }
    return failure;
}
 

/**
 * Returns a list of Template objects containing data needed
 *  to load a template from a zip file. Each non-null template object
 *  is created from its Json string
 *
 * @return ArrayList of TemplateInfo objects
 */
protected static ArrayList<TemplateInfo> getTemplates() {
  JSONValue jsonVal = JSONParser.parseLenient(templateDataString);
  JSONArray jsonArr = jsonVal.isArray();
  ArrayList<TemplateInfo> templates = new ArrayList<TemplateInfo>();
  for (int i = 0; i < jsonArr.size(); i++) {
    JSONValue value = jsonArr.get(i);
    JSONObject obj = value.isObject();
    if (obj != null)
      templates.add(new TemplateInfo(obj)); // Create TemplateInfo from Json
  }
  return templates;
}
 

/**
 * GWTFileUploadResponse
 *
 * @param text json encoded parameters.
 */
public GWTFileUploadResponse(String text) {
	text = text.substring(text.indexOf("{"));
	text = text.substring(0, text.lastIndexOf("}") + 1);
	JSONValue responseValue = JSONParser.parseStrict(text);
	JSONObject response = responseValue.isObject();

	// Deserialize information
	hasAutomation = response.get("hasAutomation").isBoolean().booleanValue();
	path = URL.decodeQueryString(response.get("path").isString().stringValue());
	error = response.get("error").isString().stringValue();
	showWizardCategories = response.get("showWizardCategories").isBoolean().booleanValue();
	showWizardKeywords = response.get("showWizardKeywords").isBoolean().booleanValue();
	digitalSignature = response.get("digitalSignature").isBoolean().booleanValue();

	// Getting property groups
	JSONArray groupsArray = response.get("groupsList").isArray();

	if (groupsArray != null) {
		for (int i = 0; i <= groupsArray.size() - 1; i++) {
			groupsList.add(groupsArray.get(i).isString().stringValue());
		}
	}

	// Getting workflows
	JSONArray workflowArray = response.get("workflowList").isArray();

	if (workflowArray != null) {
		for (int i = 0; i <= workflowArray.size() - 1; i++) {
			workflowList.add(workflowArray.get(i).isString().stringValue());
		}
	}
}
 

/**
     * Creates response object from JSON response string in
     * {@link com.smartgwt.client.data.RestDataSource SmartGWT format}.
     * @param response JSON response string
     * @return response object
     */
    public static DSResponse getDsResponse(String response) {
        DSResponse dsResponse;
//        ClientUtils.info(LOG, "response: %s", response);
        if (response == null || response.isEmpty()) {
            // not JSON response
            LOG.log(Level.WARNING, null, new IllegalStateException("Empty response!"));
            dsResponse = new DSResponse();
            dsResponse.setStatus(RPCResponse.STATUS_SUCCESS);
        } else {
            JSONValue rVal = JSONParser.parseStrict(response);
            if (rVal.isObject() != null) {
                rVal = rVal.isObject().get("response");
            }
            if (rVal != null && rVal.isObject() != null) {
                JSONObject rObj = rVal.isObject();
                dsResponse = DSResponse.getOrCreateRef(rObj.getJavaScriptObject());
            } else {
                // not JSON response in expected format
                JSONObject jsonObject = new JSONObject();
                jsonObject.put("data", new JSONString(response));
                dsResponse = new DSResponse(jsonObject.getJavaScriptObject());
                dsResponse.setStatus(RPCResponse.STATUS_FAILURE);
            }
        }
        return dsResponse;
    }
 

public Project(String json) {
	final JSONValue jsonValue = JSONParser.parseLenient(json);
	final JSONObject jsonObject = jsonValue.isObject();
	
	String projectDate = jsonObject.get(DATE_NAME).isString().stringValue();
	String projectTitle = jsonObject.get(TITLE_NAME).isString().stringValue();
	String projectVersion = jsonObject.get(VERSION_NAME).isString().stringValue();
	String projectDescription = jsonObject.get(DESCRIPTION_NAME).isString().stringValue();
	
	setDate(projectDate);
	setTitle(projectTitle);
	setVersion(projectVersion);
	setDescription(projectDescription);
	
	JSONArray layersArray = jsonObject.get(VECTORS_NAME).isArray();
	
	if (layersArray != null) {
        for (int i = 0; i < layersArray.size(); i++) {
            JSONObject projectLayerObj = layersArray.get(i).isObject();
            String name = projectLayerObj.get(NAME).isString().stringValue();
            String content = projectLayerObj.get(CONTENT_NAME).isString().stringValue();	            
            JSONObject styleProjectLayer = projectLayerObj.get(STYLE_NAME).isObject();
            
            String fillColor = styleProjectLayer.get(ProjectLayerStyle.FILL_COLOR_NAME).isString().stringValue();
            Double fillOpacity = styleProjectLayer.get(ProjectLayerStyle.FILL_OPACITY_NAME).isNumber().doubleValue();
            String strokeColor = styleProjectLayer.get(ProjectLayerStyle.STROKE_COLOR_NAME).isString().stringValue();
            Double strokeWidth = styleProjectLayer.get(ProjectLayerStyle.STROKE_WIDTH_NAME).isNumber().doubleValue();
            
            add(name, content, fillColor, fillOpacity, strokeColor, strokeWidth);	           
        }
	
	}
}
 

public VectorStyleDef getLayerStyle(String vectorFormatString) {
	VectorFeatureStyleDef def = null;
	
	final JSONValue jsonValue = JSONParser.parseLenient(vectorFormatString);
	final JSONObject geoJSONCssObject = jsonValue.isObject();

	if (geoJSONCssObject.containsKey(GeoJSONCSS.STYLE_NAME)) {

		JSONObject styleObject = geoJSONCssObject.get(GeoJSONCSS.STYLE_NAME).isObject();
		JSObject styleJSObject = styleObject.getJavaScriptObject().cast();
		def = getStyleDef(styleJSObject);
	}

	return def;
}
 

@Override
public void execute(Control<BootstrapContext> control) {

    TextResource compat = TextResources.INSTANCE.compat();
    JSONValue root = JSONParser.parseLenient(compat.getText());
    JSONObject versionList = root.isObject();
    Set<String> keys = versionList.keySet();
    for (String key : keys) {
        modelVersions.put(key, versionList.get(key).isString().stringValue());
    }

    System.out.println("Build against Core Model Version: " + modelVersions.get("core-version"));
    control.proceed();
}
 

public static JSONObject parseObject(String token) {
    JSONValue val = parse(token);
    return val == null ? null : val.isObject();
}
 

/**
 * 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.
 */
private static JSONObject getJsonObjectValue(JSONObject json, String key) {
  JSONValue value = json.get(key);
  return (value != null) ? value.isObject() : null;
}
 

/**
 * 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.
 */
private static JSONObject getJsonObjectValue(JSONObject json, String key) {
  JSONValue value = json.get(key);
  return (value != null) ? value.isObject() : null;
}