1/**
2 * Copyright (c) 2024-2024 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 *     http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16/**
17 * String Tool Class
18 */
19export class StringUtil {
20  /**
21   * Determine whether a character is an empty string
22   * @Param stringValue character string
23   */
24  public static isEmpty(stringValue: string | null | undefined): boolean {
25    return stringValue === undefined || stringValue === null || stringValue.length === 0;
26  }
27
28  /**
29   * Determine whether character conversion is a non empty string
30   * @params stringValue character string
31   */
32  public static isNotEmpty(stringValue: string | null | undefined): boolean {
33    return stringValue !== undefined && stringValue !== null && stringValue.length !== 0;
34  }
35}