Java JSONValue.isString方法代码示例

import com.google.gwt.json.client.JSONValue; //导入方法依赖的package包/类
public IFlowRequest create(JSONArray state, Integer initialItemIndex) {
    IFlowRequest flowRequest = null;

    if (initialItemIndex != null) {
        flowRequest = new FlowRequest.NavigateGotoItem(initialItemIndex);
    } else if (state != null) {

        JSONValue firstState = state.get(0);
        if (firstState.isNumber() != null) {
            flowRequest = getFlowRequestFromNumber(firstState);
        } else if (firstState.isString() != null) {
            flowRequest = getFlowRequestFromString(firstState);
        }
    }
    return flowRequest;
}
 

import com.google.gwt.json.client.JSONValue; //导入方法依赖的package包/类
public List<String> toList(String jsonStr) {

    JSONValue parsed = JSONParser.parseStrict(jsonStr);
    JSONArray jsonArray = parsed.isArray();

    if (jsonArray == null) {
      return Collections.emptyList();
    }

    List<String> list = new ArrayList<>();
    for (int i = 0; i < jsonArray.size(); i++) {
      JSONValue jsonValue = jsonArray.get(i);
      JSONString jsonString = jsonValue.isString();
      String stringValue = (jsonString == null) ? jsonValue.toString() : jsonString.stringValue();
      list.add(stringValue);
    }

    return list;
  }
 

import com.google.gwt.json.client.JSONValue; //导入方法依赖的package包/类
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";
}
 

import com.google.gwt.json.client.JSONValue; //导入方法依赖的package包/类
/**
 * Extracts default preference values from the gadget metadata JSON object
 * returned from GGS.
 *
 * @param prefs the preference JSON object received from GGS.
 */
public void parseDefaultValues(JSONObject prefs) {
  if (prefs != null) {
    for (String pref : prefs.keySet()) {
      if (!has(pref)) {
        JSONObject prefJson = prefs.get(pref).isObject();
        if (prefJson != null) {
          JSONValue value = prefJson.get("default");
          if ((value != null) && (value.isString() != null)) {
            put(pref, value.isString().stringValue());
            log("Gadget pref '" + pref + "' = '" + get(pref) + "'");
          }
        } else {
          log("Invalid pref '" + pref + "' value in Gadget metadata.");
        }
      }
    }
  }
}
 

import com.google.gwt.json.client.JSONValue; //导入方法依赖的package包/类
private void updateVariables(JSONValue updatedVariablesJsonValue) {
    JSONObject obj = updatedVariablesJsonValue.isObject();
    if (obj != null) {
        for (String varName : obj.keySet()) {
            JobVariable variable = variables.get(varName);
            if (variable != null) {
                JSONValue variableJsonValue = obj.get(varName);
                JSONString variableJsonString = variableJsonValue.isString();
                if (variableJsonString != null) {
                    variable.setValue(variableJsonString.stringValue());
                }

            }
        }
    }
}
 

import com.google.gwt.json.client.JSONValue; //导入方法依赖的package包/类
public static Map<String, String> toMap(String jsonStr) {
  Map<String, String> map = new HashMap<String, String>();

  JSONValue parsed = JSONParser.parseStrict(jsonStr);
  JSONObject jsonObj = parsed.isObject();
  if (jsonObj != null) {
    for (String key : jsonObj.keySet()) {
      JSONValue jsonValue = jsonObj.get(key);
      JSONString jsonString = jsonValue.isString();
      // if the json value is a string, set the unescaped value, else set the json representation
      // of the value
      String stringValue = (jsonString == null) ? jsonValue.toString() : jsonString.stringValue();
      map.put(key, stringValue);
    }
  }

  return map;
}
 

import com.google.gwt.json.client.JSONValue; //导入方法依赖的package包/类
public static Map<String, String> parseMap(JSONValue jsonValue) {
	JSONObject obj = jsonValue.isObject();
	Map<String, String> map = new TreeMap<String, String>();
	
	if (obj != null) {
	
		for (String key : obj.keySet()) {
			JSONValue value = obj.get(key);

			if (value != null) {
				JSONString str = value.isString();
				
				if (str != null) {
					map.put(key, str.stringValue());
				}
			}
		}
	}
	
	return map;
}
 

import com.google.gwt.json.client.JSONValue; //导入方法依赖的package包/类
public static Version parseVersion(JSONValue jsonValue) {
	JSONObject obj = jsonValue.isObject();
	
	Version version = new Version();
	
	if (obj != null) {
		JSONValue value = obj.get("version");
		
		if (value != null) {
			JSONString str = value.isString();
			
			if (str != null) {
				version.version = str.stringValue();
			}
		}
		
	}
	
	return version;
}
 

import com.google.gwt.json.client.JSONValue; //导入方法依赖的package包/类
@Override
public void setState(JSONArray newState) {
    if (newState.isArray() instanceof JSONArray) {
        JSONArray arr = newState.isArray();
        JSONValue v = arr.get(0);
        if (v.isString() instanceof JSONString) {
            String s = v.isString().stringValue();
            setStateJs(extensionJsObject, s);
        }
    }
}
 

import com.google.gwt.json.client.JSONValue; //导入方法依赖的package包/类
/**
 * Sets the dynamic template Urls from a jsonStr.  This method is
 * called during start up where jsonStr is retrieved from User
 * settings.
 *
 * @param jsonStr
 */
public static void setStoredTemplateUrls(String jsonStr) {
  if (jsonStr == null || jsonStr.length() == 0)
    return;
  JSONValue jsonVal = JSONParser.parseLenient(jsonStr);
  JSONArray jsonArr = jsonVal.isArray();
  for (int i = 0; i < jsonArr.size(); i++) {
    JSONValue value = jsonArr.get(i);
    JSONString str = value.isString();
    dynamicTemplateUrls.add(str.stringValue());
  }
}
 

import com.google.gwt.json.client.JSONValue; //导入方法依赖的package包/类
private static String getString(JSONValue value) throws JSONException {
    if (value.isNull() != null) {
        return null;
    }
    JSONString string = value.isString();
    if (string == null) {
        throw new JSONException("Expected JSON String: " + value.toString());
    }
    return string.stringValue();
}
 

import com.google.gwt.json.client.JSONValue; //导入方法依赖的package包/类
private static String retrieveErrorMessage(JSONObject exc) {
    JSONValue val = exc.get("errorMessage");
    if (val == null || val.isString() == null) {
        return "<no reason>";
    } else {
        return val.isString().stringValue();
    }
}
 

import com.google.gwt.json.client.JSONValue; //导入方法依赖的package包/类
private static boolean matches(JSONValue element, JsonDecision decision) {
  if (decision == JsonDecision.LIST) {
    return element.isArray() != null;
  }
  if (decision == JsonDecision.BOOLEAN) {
    return element.isBoolean() != null;
  }
  if (decision == JsonDecision.NUMBER) {
    return element.isNumber() != null;
  }
  if (decision == JsonDecision.STRING) {
    return element.isString() != null;
  }
  return element.isObject() != null;
}
 

import com.google.gwt.json.client.JSONValue; //导入方法依赖的package包/类
public static String getValue( JSONValue val, String key, String def ) {
	if( val == null ) return def;
	JSONObject object = val.isObject();
	if( object == null ) return def;
	JSONValue v = object.get( key );
	if( v == null ) return def;
	if( v.isString() == null ) return def;
	return v.isString().stringValue();
}
 

import com.google.gwt.json.client.JSONValue; //导入方法依赖的package包/类
public Object getPrimaryKey(AbstractRecord record) {
	if (record.getCorrespondingJsonObject().containsKey(pkAttribute)) {
		JSONValue value = record.getCorrespondingJsonObject().get(pkAttribute);
		if (value.isNumber() != null) {
			return new Long((long) value.isNumber().doubleValue());
		}
		if (value.isString() != null) {
			return value.isString().stringValue();
		}
	}
	return null;
}