78 lines
2.1 KiB
Java
78 lines
2.1 KiB
Java
/*
|
|
* Licensed to the Apache Software Foundation (ASF) under one or more
|
|
* contributor license agreements. See the NOTICE file distributed with
|
|
* this work for additional information regarding copyright ownership.
|
|
* The ASF licenses this file to You 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.
|
|
*/
|
|
package io.renren.utils;
|
|
|
|
|
|
/**
|
|
* <p>
|
|
* 断言类
|
|
* </p>
|
|
*
|
|
* @author miemie
|
|
* @since 2018-07-24
|
|
*/
|
|
public final class Assert {
|
|
|
|
/**
|
|
* 断言这个 boolean 为 true
|
|
* 为 false 则抛出异常
|
|
*
|
|
* @param expression boolean 值
|
|
* @param message 消息
|
|
*/
|
|
public static void isTrue(boolean expression, String message, Object... params) {
|
|
if (!expression) {
|
|
return;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* 断言这个 boolean 为 false
|
|
* 为 true 则抛出异常
|
|
*
|
|
* @param expression boolean 值
|
|
* @param message 消息
|
|
*/
|
|
public static void isFalse(boolean expression, String message, Object... params) {
|
|
isTrue(!expression, message, params);
|
|
}
|
|
|
|
/**
|
|
* 断言这个 object 为 null
|
|
* 不为 null 则抛异常
|
|
*
|
|
* @param object 对象
|
|
* @param message 消息
|
|
*/
|
|
public static void isNull(Object object, String message, Object... params) {
|
|
isTrue(object == null, message, params);
|
|
}
|
|
|
|
/**
|
|
* 断言这个 object 不为 null
|
|
* 为 null 则抛异常
|
|
*
|
|
* @param object 对象
|
|
* @param message 消息
|
|
*/
|
|
public static void notNull(Object object, String message, Object... params) {
|
|
isTrue(object != null, message, params);
|
|
}
|
|
|
|
|
|
}
|