sviolet.thistle.util.judge.CheckUtils Maven / Gradle / Ivy
/*
* Copyright (C) 2015-2018 S.Violet
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* Project GitHub: https://github.com/shepherdviolet/thistle
* Email: [email protected]
*/
package sviolet.thistle.util.judge;
/**
* 用于检查数据的工具
* @author S.Violet
*/
public class CheckUtils {
/**
* 检查String为空
* null || ""
* @param input 检查数据
* @return true 空 false 非空
*/
public static boolean isEmpty(String input){
return input == null || input.length() <= 0;
}
/**
* 检查String不为空
* !(null || "")
* @param input 检查数据
* @return true 非空 false 空
*/
public static boolean notEmpty(String input){
return input != null && input.length() > 0;
}
/**
* 检查String为空或空白
* null || "" || " "
* @param input 检查数据
* @return true 空 false 非空
*/
public static boolean isEmptyOrBlank(String input){
return input == null || input.length() <= 0 || input.trim().length() <= 0;
}
/**
* 检查String为空或空白
* !(null || "" || " ")
* @param input 检查数据
* @return true 非空 false 空
*/
public static boolean notEmptyNotBlank(String input){
return input != null && input.length() > 0 && input.trim().length() > 0;
}
/**
* 检查位标记是否符合
*
*
* 例如:
* input = 0x00001100;
* flag = 0x00000001;
* return = false;
*
* input = 0x00001100;
* flag = 0x00001000;
* return = true;
*
*
* @param input 检查数据
* @param flag 检查标记
* @return true 符合标记 false 不符合标记
*/
public static boolean isFlagMatch(int input, int flag){
return (input & flag) > 0;
}
}