前言

java 开发过程中，应使用全局统一的断言工具类，使系统的断言处理一致，便于维护。

断言工具类

import cn.hutool.core.collection.CollectionUtil;
import cn.hutool.core.util.ObjectUtil;
import cn.hutool.core.util.StrUtil;
import lombok.AccessLevel;
import lombok.NoArgsConstructor;
import sun.applet.Main;import java.util.Collection;
import java.util.Objects;/*** 断言类*/
@NoArgsConstructor(access = AccessLevel.PRIVATE)
public class BusinessAsserts {/*** 是否为true，false抛出异常** @param expression bool* @param message    提示信息*/public static void isTrue(boolean expression, String message) {isTrue(expression, message, StrUtil.EMPTY);}public static void isTrue(boolean expression, String message, Object... args) {if (!expression) {throw new ServiceException(StrUtil.format(message, args));}}/*** 是否为false，true抛出异常** @param expression bool* @param message    提示信息*/public static void isFalse(boolean expression, String message) {isTrue(!expression, message);}public static void isFalse(boolean expression, String message, Object... args) {isTrue(!expression, message, StrUtil.format(message, args));}/*** 是否为null，不为null抛出异常** @param object  obj* @param message 提示信息*/public static void isNull(Object object, String message) {isNull(object, message, StrUtil.EMPTY);}public static void isNull(Object object, String message, Object... args) {if (Objects.nonNull(object)) {throw new ServiceException(StrUtil.format(message, args));}}/*** 是否不为null，null抛出异常** @param object  obj* @param message 提示信息*/public static void isNotNull(Object object, String message) {isNotNull(object, message, StrUtil.EMPTY);}public static void isNotNull(Object object, String message, Object... args) {if (Objects.isNull(object)) {throw new ServiceException(StrUtil.format(message, args));}}/*** 是否allNotNull，hasNull抛出异常** @param col     集合* @param message 提示信息*/public static void isAllNotNull(Collection<?> col, String message) {isAllNotNull(col, message, StrUtil.EMPTY);}public static void isAllNotNull(Collection<?> col, String message, Object... args) {Objects.requireNonNull(col);if (ObjectUtil.hasNull(col)) {throw new ServiceException(StrUtil.format(message, args));}}/*** 是否为blank，notBlank抛出异常** @param string  str* @param message 提示信息*/public static void isBlank(String string, String message) {isBlank(string, message, StrUtil.EMPTY);}public static void isBlank(String string, String message, Object... args) {if (StrUtil.isNotBlank(string)) {throw new ServiceException(StrUtil.format(message, args));}}/*** 是否notBlank，blank抛出异常** @param string  str* @param message 提示信息*/public static void isNotBlank(String string, String message) {isNotBlank(string, message, StrUtil.EMPTY);}public static void isNotBlank(String string, String message, Object... args) {if (StrUtil.isBlank(string)) {throw new ServiceException(StrUtil.format(message, args));}}/*** 是否allBlank，hasNotBlank抛出异常** @param col     集合* @param message 提示信息*/public static void isAllBlank(Collection<String> col, String message) {isAllBlank(col, message, StrUtil.EMPTY);}public static void isAllBlank(Collection<String> col, String message, Object... args) {Objects.requireNonNull(col);String[] strings = col.stream().toArray(String[]::new);if (!StrUtil.hasBlank(strings)) {throw new ServiceException(StrUtil.format(message, args));}}/*** 是否allNotBlank，hasBlank抛出异常** @param col     集合* @param message 提示信息*/public static void isAllNotBlank(Collection<String> col, String message) {isAllNotBlank(col, message, StrUtil.EMPTY);}public static void isAllNotBlank(Collection<String> col, String message, Object... args) {Objects.requireNonNull(col);String[] strings = col.stream().toArray(String[]::new);if (StrUtil.hasBlank(strings)) {throw new ServiceException(StrUtil.format(message, args));}}/*** 是否equal，notEqual抛出异常** @param object1 obj1* @param object2 obj2* @param message 提示信息*/public static void equal(Object object1, Object object2, String message) {equal(object1, object2, message, StrUtil.EMPTY);}public static void equal(Object object1, Object object2, String message, Object... args) {if (!Objects.equals(object1, object2)) {throw new ServiceException(StrUtil.format(message, args));}}/*** 是否notEqual，equal抛出异常** @param object1 obj1* @param object2 obj2* @param message 提示信息*/public static void notEqual(Object object1, Object object2, String message) {notEqual(object1, object2, message, StrUtil.EMPTY);}public static void notEqual(Object object1, Object object2, String message, Object... args) {if (Objects.equals(object1, object2)) {throw new ServiceException(StrUtil.format(message, args));}}/*** 是否empty，notEmpty抛出异常** @param col     集合* @param message 提示信息*/public static void isEmpty(Collection<?> col, String message) {isEmpty(col, message, StrUtil.EMPTY);}public static void isEmpty(Collection<?> col, String message, Object... args) {if (CollectionUtil.isNotEmpty(col)) {throw new ServiceException(StrUtil.format(message, args));}}/*** 是否notEmpty，empty抛出异常** @param col     集合* @param message 提示信息*/public static void isNotEmpty(Collection<?> col, String message) {isNotEmpty(col, message, StrUtil.EMPTY);}public static void isNotEmpty(Collection<?> col, String message, Object... args) {if (CollectionUtil.isEmpty(col)) {throw new ServiceException(StrUtil.format(message, args));}}/*** 是否allNotEmpty，hasEmpty抛出异常** @param col     集合* @param message 提示信息*/public static void isAllNotEmpty(Collection<?> col, String message) {isAllNotEmpty(col, message, StrUtil.EMPTY);}public static void isAllNotEmpty(Collection<?> col, String message, Object... args) {Objects.requireNonNull(col);if (ObjectUtil.hasEmpty(col)) {throw new ServiceException(StrUtil.format(message, args));}}}