com.gitee.starblues.loader.utils.Assert Maven / Gradle / Ivy
/**
* Copyright [2019-Present] [starBlues]
*
* 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.
*/
package com.gitee.starblues.loader.utils;
import java.util.function.Supplier;
/**
* 参数校验工具类
*
* @author starBlues
* @since 3.0.0
* @version 3.0.0
*/
public abstract class Assert {
private Assert(){};
public static void isTrue(boolean expression, String message) {
if (!expression) {
throw new IllegalArgumentException(message);
}
}
public static void isTrue(boolean expression, Supplier messageSupplier) {
if (!expression) {
throw new IllegalArgumentException(nullSafeGet(messageSupplier));
}
}
public static void state(boolean expression, String message) {
if (!expression) {
throw new IllegalStateException(message);
}
}
public static void state(boolean expression, Supplier messageSupplier) {
if (!expression) {
throw new IllegalStateException(nullSafeGet(messageSupplier));
}
}
public static T isNotNull(T t, String message) {
if (t == null) {
throw new IllegalArgumentException(message);
}
return t;
}
public static T isNotNull(T t, Supplier messageSupplier) {
if (t == null) {
throw new IllegalArgumentException(nullSafeGet(messageSupplier));
}
return t;
}
public static T isNotEmpty(T t, String message) {
if (ObjectUtils.isEmpty(t)) {
throw new IllegalArgumentException(message);
}
return t;
}
public static T isNotEmpty(T t, Supplier messageSupplier) {
if (ObjectUtils.isEmpty(t)) {
throw new IllegalArgumentException(nullSafeGet(messageSupplier));
}
return t;
}
private static String nullSafeGet(Supplier messageSupplier) {
return (messageSupplier != null ? messageSupplier.get() : null);
}
}