public static JSONArray parseJSONArray(String jsonText) {
if (jsonText != null && 0 < jsonText.length()) {
JSONValue jsonValue = JSONParser.parse(jsonText);
if (jsonValue != null) {
return jsonValue.isArray();
}
}
return null;
}
//
// Utility methods, also useful when parsing third-party JSON
//
public static JSONObject parseJSONObject(String jsonText) {
if (jsonText != null && 0 < jsonText.length()) {
// TODO: use GWT json utils class to do safe parsing
JSONValue jsonValue = JSONParser.parse(jsonText);
if (jsonValue != null) {
return jsonValue.isObject();
}
}
return null;
}
/**
* 静态函数：根据输入的Json字符串，解析成一个完整的菜单树
*
* @param menuStr Json字符串
* @return 菜单树形根节点
*/
public static GWTMenu GetMenuList(String menuStr) {
// 解析菜单
JSONValue obj1 = JSONParser.parse(menuStr);
JSONArray menuList = obj1.isArray();
GWTMenu menu = new GWTMenu();
for (int i = 0; i < menuList.size(); i++) {
AddGWTMenu(menu, menuList.get(i));
}
return menu;
}
private void addProperties(Response response) {
GWT.log(response.getText(), null);
try {
// parse the response text into JSON
JSONValue jsonValue = JSONParser.parse(response.getText());
JSONArray jsonArray = jsonValue.isArray();
if (jsonArray != null) {
for (int index = 0; index < jsonArray.size(); index++) {
addProperty(((JSONObject) jsonArray.get(index)), index);
}
} else {
throw new JSONException("Invalid Json structure when retrieve the Sling nodes");
}
} catch (JSONException e) {
e.printStackTrace();
GWT.log("ResourceGrids - Could not parse JSON", e);
}
}
@SuppressWarnings({"rawtypes", "deprecation", "unchecked"})
protected Object[] extractDate(Criteria criteria, OperatorId operator, Map values, String key) {
Object value;
String jsObj = JSON.encode(criteria.getJsObj());
JSONObject criteriaObj = JSONParser.parse(jsObj).isObject();
JSONObject valueObj = criteriaObj.get(key).isObject();
if (valueObj != null) {
value = parseRelativeDate((Map<String, String>) values.get(key));
} else {
value = values.get(key);
}
if (OperatorId.GREATER_THAN.getValue().equals(operator.getValue())
|| OperatorId.LESS_OR_EQUAL.getValue().equals(operator.getValue())) {
((Date) value).setHours(23);
((Date) value).setMinutes(59);
} else {
((Date) value).setHours(0);
((Date) value).setMinutes(0);
}
return new Object[] {value};
}
/** {@code ClickHandler} */
@Override
public void onClick(ClickEvent event) {
NativeEvent nativeEvent = event.getNativeEvent();
Element element = DOM.eventGetTarget(Event.as(nativeEvent));
element =
GWTUtils.getElementWithAttr((com.google.gwt.user.client.Element) element.cast(), "uid");
Element dataQueryEl = null;
if (element != null) {
dataQueryEl =
GWTUtils.findDataQueryElement((com.google.gwt.user.client.Element) element.cast());
String uid = element.getAttribute("uid");
String json = dataQueryEl.getAttribute("data-query");
if (!GWTUtils.isEmpty(uid)) {
JSONObject targetJson = null;
if (!GWTUtils.isEmpty(json)) {
targetJson = (JSONObject) JSONParser.parse(json);
}
processClickEvent(uid, targetJson);
}
} else {
return;
}
}