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add methods

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Looly 2020-10-15 18:16:56 +08:00
parent 72ea16b980
commit fb46196782
5 changed files with 407 additions and 386 deletions
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1
CHANGELOG.md
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@ -19,6 +19,7 @@
* 【core 】 优化Combination.countAll（pr#1159@Github）
* 【core 】 优化针对list的split方法（pr#194@Gitee）
* 【poi 】 ExcelWriter增加setRowStyle方法
* 【core 】 Assert增加函数接口（pr#1166@Github）
### Bug修复
* 【core 】 解决农历判断节日未判断大小月导致的问题（issue#I1XHSF@Gitee）

347
hutool-core/src/main/java/cn/hutool/core/lang/Assert.java
View File

@ -1,11 +1,10 @@
package cn.hutool.core.lang;
import cn.hutool.core.collection.CollUtil;
import cn.hutool.core.lang.func.Func0;
import cn.hutool.core.map.MapUtil;
import cn.hutool.core.util.ArrayUtil;
import cn.hutool.core.util.StrUtil;
import java.util.Collection;
import java.util.Map;
import java.util.function.Supplier;
@ -14,28 +13,9 @@ import java.util.function.Supplier;
* 断言某些对象或值是否符合规定，否则抛出异常。经常用于做变量检查
*
* @author Looly
*
*/
public class Assert {
/**
* 断言是否为真，如果为 {@code false} 抛出异常<br>
* 并使用指定的函数获取错误信息返回
* <pre class="code">
* Assert.isTrue(i &gt; 0, ()->{
* // to query relation message
* return "relation message to return ";
* });
* </pre>
*
* @param expression 布尔值
* @param errorMsgSupplier 错误抛出异常附带的消息生产接口
* @throws IllegalArgumentException if expression is {@code false}
*/
public static void isTrue(boolean expression, Supplier<String> errorMsgSupplier) throws IllegalArgumentException {
if (!expression) {
isTrue(false, errorMsgSupplier.get());
}
}
/**
* 断言是否为真，如果为 {@code false} 抛出给定的异常<br>
*
@ -48,9 +28,9 @@ public class Assert {
* @param supplier 指定断言不通过时抛出的异常
* @throws X if expression is {@code false}
*/
public static <X extends Throwable> void isTrue(boolean expression, Func0<? extends X> supplier) throws X {
public static <X extends Throwable> void isTrue(boolean expression, Supplier<? extends X> supplier) throws X {
if (false == expression) {
throw supplier.callWithRuntimeException();
throw supplier.get();
}
}
@ -67,9 +47,7 @@ public class Assert {
* @throws IllegalArgumentException if expression is {@code false}
*/
public static void isTrue(boolean expression, String errorMsgTemplate, Object... params) throws IllegalArgumentException {
if (false == expression) {
throw new IllegalArgumentException(StrUtil.format(errorMsgTemplate, params));
}
isTrue(expression, () -> new IllegalArgumentException(StrUtil.format(errorMsgTemplate, params)));
}
/**
@ -85,25 +63,29 @@ public class Assert {
public static void isTrue(boolean expression) throws IllegalArgumentException {
isTrue(expression, "[Assertion failed] - this expression must be true");
}
/**
* 断言是否为假，如果为 {@code true} 抛出 {@code IllegalArgumentException} 异常<br>
* 断言是否为假，如果为 {@code true} 抛出指定类型异常<br>
* 并使用指定的函数获取错误信息返回
* <pre class="code">
* Assert.isFalse(i &gt; 0, ()->{
* // to query relation message
* return "relation message to return ";
* return new IllegalArgumentException("relation message to return");
* });
* </pre>
*
* @param <X> 异常类型
* @param expression 布尔值
* @param errorMsgSupplier 错误抛出异常附带的消息生产接口
* @throws IllegalArgumentException if expression is {@code false}
* @param errorSupplier 指定断言不通过时抛出的异常
* @throws X if expression is {@code false}
* @since 5.4.5
*/
public static void isFalse(boolean expression, Supplier<String> errorMsgSupplier) throws IllegalArgumentException {
public static <X extends Throwable> void isFalse(boolean expression, Supplier<X> errorSupplier) throws X {
if (expression) {
isFalse(true, errorMsgSupplier.get());
throw errorSupplier.get();
}
}
/**
* 断言是否为假，如果为 {@code true} 抛出 {@code IllegalArgumentException} 异常<br>
*
@ -117,9 +99,7 @@ public class Assert {
* @throws IllegalArgumentException if expression is {@code false}
*/
public static void isFalse(boolean expression, String errorMsgTemplate, Object... params) throws IllegalArgumentException {
if (expression) {
throw new IllegalArgumentException(StrUtil.format(errorMsgTemplate, params));
}
isFalse(expression, () -> new IllegalArgumentException(StrUtil.format(errorMsgTemplate, params)));
}
/**
@ -135,25 +115,29 @@ public class Assert {
public static void isFalse(boolean expression) throws IllegalArgumentException {
isFalse(expression, "[Assertion failed] - this expression must be false");
}
/**
* 断言对象是否为{@code null} ，如果不为{@code null} 抛出{@link IllegalArgumentException} 异常
* 断言对象是否为{@code null} ，如果不为{@code null} 抛出指定类型异常
* 并使用指定的函数获取错误信息返回
* <pre class="code">
* Assert.isNull(value, ()->{
* // to query relation message
* return "relation message to return ";
* return new IllegalArgumentException("relation message to return");
* });
* </pre>
*
* @param <X> 异常类型
* @param object 被检查的对象
* @param errorMsgSupplier 错误抛出异常附带的消息生产接口
* @throws IllegalArgumentException if the object is not {@code null}
* @param errorSupplier 错误抛出异常附带的消息生产接口
* @throws X if the object is not {@code null}
* @since 5.4.5
*/
public static void isNull(Object object, Supplier<String> errorMsgSupplier) throws IllegalArgumentException {
if (object != null) {
isNull(object, errorMsgSupplier.get());
public static <X extends Throwable> void isNull(Object object, Supplier<X> errorSupplier) throws X {
if (null != object) {
throw errorSupplier.get();
}
}
/**
* 断言对象是否为{@code null} ，如果不为{@code null} 抛出{@link IllegalArgumentException} 异常
*
@ -167,9 +151,7 @@ public class Assert {
* @throws IllegalArgumentException if the object is not {@code null}
*/
public static void isNull(Object object, String errorMsgTemplate, Object... params) throws IllegalArgumentException {
if (object != null) {
throw new IllegalArgumentException(StrUtil.format(errorMsgTemplate, params));
}
isNull(object, () -> new IllegalArgumentException(StrUtil.format(errorMsgTemplate, params)));
}
/**
@ -187,28 +169,32 @@ public class Assert {
}
// ----------------------------------------------------------------------------------------------------------- Check not null
/**
* 断言对象是否不为{@code null} ，如果为{@code null} 抛出{@link IllegalArgumentException} 异常 Assert that an object is not {@code null} .
* 断言对象是否不为{@code null} ，如果为{@code null} 抛出指定类型异常
* 并使用指定的函数获取错误信息返回
* <pre class="code">
* Assert.notNull(clazz, ()->{
* // to query relation message
* return "relation message to return ";
* return new IllegalArgumentException("relation message to return");
* });
* </pre>
*
* @param <T> 被检查对象泛型类型
* @param <X> 异常类型
* @param object 被检查对象
* @param errorMsgSupplier 错误抛出异常附带的消息生产接口
* @param errorSupplier 错误抛出异常附带的消息生产接口
* @return 被检查后的对象
* @throws IllegalArgumentException if the object is {@code null}
* @throws X if the object is {@code null}
* @since 5.4.5
*/
public static <T> T notNull(T object, Supplier<String> errorMsgSupplier) throws IllegalArgumentException {
if (object == null) {
notNull(null, errorMsgSupplier.get());
public static <T, X extends Throwable> T notNull(T object, Supplier<X> errorSupplier) throws X {
if (null == object) {
throw errorSupplier.get();
}
return object;
}
/**
* 断言对象是否不为{@code null} ，如果为{@code null} 抛出{@link IllegalArgumentException} 异常 Assert that an object is not {@code null} .
*
@ -224,10 +210,7 @@ public class Assert {
* @throws IllegalArgumentException if the object is {@code null}
*/
public static <T> T notNull(T object, String errorMsgTemplate, Object... params) throws IllegalArgumentException {
if (object == null) {
throw new IllegalArgumentException(StrUtil.format(errorMsgTemplate, params));
}
return object;
return notNull(object, () -> new IllegalArgumentException(StrUtil.format(errorMsgTemplate, params)));
}
/**
@ -247,29 +230,32 @@ public class Assert {
}
// ----------------------------------------------------------------------------------------------------------- Check empty
/**
* 检查给定字符串是否为空，为空抛出 {@link IllegalArgumentException}
* 并使用指定的函数获取错误信息返回
* 检查给定字符串是否为空，为空抛出自定义异常，并使用指定的函数获取错误信息返回。
* <pre class="code">
* Assert.notEmpty(name, ()->{
* // to query relation message
* return "relation message to return ";
* return new IllegalArgumentException("relation message to return");
* });
* </pre>
*
* @param <X> 异常类型
* @param <T> 字符串类型
* @param text 被检查字符串
* @param errorMsgSupplier 错误抛出异常附带的消息生产接口
* @param errorSupplier 错误抛出异常附带的消息生产接口
* @return 非空字符串
* @throws X 被检查字符串为空抛出此异常
* @see StrUtil#isNotEmpty(CharSequence)
* @throws IllegalArgumentException 被检查字符串为空
* @since 5.4.5
*/
public static <T extends CharSequence> T notEmpty(T text, Supplier<String> errorMsgSupplier) throws IllegalArgumentException {
public static <T extends CharSequence, X extends Throwable> T notEmpty(T text, Supplier<X> errorSupplier) throws X {
if (StrUtil.isEmpty(text)) {
notEmpty(text, errorMsgSupplier.get());
throw errorSupplier.get();
}
return text;
}
/**
* 检查给定字符串是否为空，为空抛出 {@link IllegalArgumentException}
*
@ -282,14 +268,11 @@ public class Assert {
* @param errorMsgTemplate 错误消息模板，变量使用{}表示
* @param params 参数
* @return 非空字符串
* @see StrUtil#isNotEmpty(CharSequence)
* @throws IllegalArgumentException 被检查字符串为空
* @see StrUtil#isNotEmpty(CharSequence)
*/
public static <T extends CharSequence> T notEmpty(T text, String errorMsgTemplate, Object... params) throws IllegalArgumentException {
if (StrUtil.isEmpty(text)) {
throw new IllegalArgumentException(StrUtil.format(errorMsgTemplate, params));
}
return text;
return notEmpty(text, () -> new IllegalArgumentException(StrUtil.format(errorMsgTemplate, params)));
}
/**
@ -302,35 +285,38 @@ public class Assert {
* @param <T> 字符串类型
* @param text 被检查字符串
* @return 被检查的字符串
* @see StrUtil#isNotEmpty(CharSequence)
* @throws IllegalArgumentException 被检查字符串为空
* @see StrUtil#isNotEmpty(CharSequence)
*/
public static <T extends CharSequence> T notEmpty(T text) throws IllegalArgumentException {
return notEmpty(text, "[Assertion failed] - this String argument must have length; it must not be null or empty");
}
/**
* 检查给定字符串是否为空白（null、空串或只包含空白符），为空抛出 {@link IllegalArgumentException}
* 检查给定字符串是否为空白（null、空串或只包含空白符），为空抛出自定义异常。
* 并使用指定的函数获取错误信息返回
* <pre class="code">
* Assert.notBlank(name, ()->{
* // to query relation message
* return "relation message to return ";
* return new IllegalArgumentException("relation message to return");
* });
* </pre>
*
* @param <X> 异常类型
* @param <T> 字符串类型
* @param text 被检查字符串
* @param errorMsgSupplier 错误抛出异常附带的消息生产接口
* @return 非空字符串
* @throws X 被检查字符串为空白
* @see StrUtil#isNotBlank(CharSequence)
* @throws IllegalArgumentException 被检查字符串为空白
*/
public static <T extends CharSequence> T notBlank(T text, Supplier<String> errorMsgSupplier) throws IllegalArgumentException {
public static <T extends CharSequence, X extends Throwable> T notBlank(T text, Supplier<X> errorMsgSupplier) throws X {
if (StrUtil.isBlank(text)) {
notBlank(text, errorMsgSupplier.get());
throw errorMsgSupplier.get();
}
return text;
}
/**
* 检查给定字符串是否为空白（null、空串或只包含空白符），为空抛出 {@link IllegalArgumentException}
*
@ -343,14 +329,11 @@ public class Assert {
* @param errorMsgTemplate 错误消息模板，变量使用{}表示
* @param params 参数
* @return 非空字符串
* @see StrUtil#isNotBlank(CharSequence)
* @throws IllegalArgumentException 被检查字符串为空白
* @see StrUtil#isNotBlank(CharSequence)
*/
public static <T extends CharSequence> T notBlank(T text, String errorMsgTemplate, Object... params) throws IllegalArgumentException {
if (StrUtil.isBlank(text)) {
throw new IllegalArgumentException(StrUtil.format(errorMsgTemplate, params));
}
return text;
return notBlank(text, () -> new IllegalArgumentException(StrUtil.format(errorMsgTemplate, params)));
}
/**
@ -363,39 +346,45 @@ public class Assert {
* @param <T> 字符串类型
* @param text 被检查字符串
* @return 非空字符串
* @see StrUtil#isNotBlank(CharSequence)
* @throws IllegalArgumentException 被检查字符串为空白
* @see StrUtil#isNotBlank(CharSequence)
*/
public static <T extends CharSequence> T notBlank(T text) throws IllegalArgumentException {
return notBlank(text, "[Assertion failed] - this String argument must have text; it must not be null, empty, or blank");
}
/**
* 断言给定字符串是否不被另一个字符串包含（即是否为子串）
* 并使用指定的函数获取错误信息返回
* <pre class="code">
* Assert.doesNotContain(name, "rod", ()->{
* Assert.notContain(name, "rod", ()->{
* // to query relation message
* return "relation message to return ";
* return new IllegalArgumentException("relation message to return ");
* });
* </pre>
*
* @param <T> 字符串类型
* @param <X> 异常类型
* @param textToSearch 被搜索的字符串
* @param substring 被检查的子串
* @param errorMsgSupplier 错误抛出异常附带的消息生产接口
* @param errorSupplier 错误抛出异常附带的消息生产接口
* @return 被检查的子串
* @throws IllegalArgumentException 非子串抛出异常
* @throws X 非子串抛出异常
* @see StrUtil#contains(CharSequence, CharSequence)
* @since 5.4.5
*/
public static String notContain(String textToSearch, String substring, Supplier<String> errorMsgSupplier) throws IllegalArgumentException {
if (StrUtil.isNotEmpty(textToSearch) && StrUtil.isNotEmpty(substring) && textToSearch.contains(substring)) {
throw new IllegalArgumentException(errorMsgSupplier.get());
public static <T extends CharSequence, X extends Throwable> T notContain(CharSequence textToSearch, T substring, Supplier<X> errorSupplier) throws X {
if (StrUtil.contains(textToSearch, substring)) {
throw errorSupplier.get();
}
return substring;
}
/**
* 断言给定字符串是否不被另一个字符串包含（即是否为子串）
*
* <pre class="code">
* Assert.doesNotContain(name, "rod", "Name must not contain 'rod'");
* Assert.notContain(name, "rod", "Name must not contain 'rod'");
* </pre>
*
* @param textToSearch 被搜索的字符串
@ -406,17 +395,14 @@ public class Assert {
* @throws IllegalArgumentException 非子串抛出异常
*/
public static String notContain(String textToSearch, String substring, String errorMsgTemplate, Object... params) throws IllegalArgumentException {
if (StrUtil.isNotEmpty(textToSearch) && StrUtil.isNotEmpty(substring) && textToSearch.contains(substring)) {
throw new IllegalArgumentException(StrUtil.format(errorMsgTemplate, params));
}
return substring;
return notContain(textToSearch, substring, () -> new IllegalArgumentException(StrUtil.format(errorMsgTemplate, params)));
}
/**
* 断言给定字符串是否不被另一个字符串包含（即是否为子串）
*
* <pre class="code">
* Assert.doesNotContain(name, "rod", "Name must not contain 'rod'");
* Assert.notContain(name, "rod", "Name must not contain 'rod'");
* </pre>
*
* @param textToSearch 被搜索的字符串
@ -427,43 +413,30 @@ public class Assert {
public static String notContain(String textToSearch, String substring) throws IllegalArgumentException {
return notContain(textToSearch, substring, "[Assertion failed] - this String argument must not contain the substring [{}]", substring);
}
/**
* 断言给定数组是否包含元素，数组必须不为 {@code null} 且至少包含一个元素
* 并使用指定的函数获取错误信息返回
*
* <pre class="code">
* Assert.notEmpty(array, ()->{
* // to query relation message
* return "relation message to return ";
* return new IllegalArgumentException("relation message to return");
* });
* </pre>
*
* @param <T> 数组元素类型
* @param <X> 异常类型
* @param array 被检查的数组
* @param errorMsgSupplier 错误抛出异常附带的消息生产接口
* @param errorSupplier 错误抛出异常附带的消息生产接口
* @return 被检查的数组
* @throws IllegalArgumentException if the object array is {@code null} or has no elements
* @throws X if the object array is {@code null} or has no elements
* @see ArrayUtil#isNotEmpty(Object[])
* @since 5.4.5
*/
public static Object[] notEmpty(Object[] array, Supplier<String> errorMsgSupplier) throws IllegalArgumentException {
public static <T, X extends Throwable> T[] notEmpty(T[] array, Supplier<X> errorSupplier) throws X {
if (ArrayUtil.isEmpty(array)) {
throw new IllegalArgumentException(errorMsgSupplier.get());
}
return array;
}
/**
* 断言给定数组是否包含元素，数组必须不为 {@code null} 且至少包含一个元素
*
* <pre class="code">
* Assert.notEmpty(array, "The array must have elements");
* </pre>
*
* @param array 被检查的数组
* @param errorMsgTemplate 异常时的消息模板
* @param params 参数列表
* @return 被检查的数组
* @throws IllegalArgumentException if the object array is {@code null} or has no elements
*/
public static Object[] notEmpty(Object[] array, String errorMsgTemplate, Object... params) throws IllegalArgumentException {
if (ArrayUtil.isEmpty(array)) {
throw new IllegalArgumentException(StrUtil.format(errorMsgTemplate, params));
throw errorSupplier.get();
}
return array;
}
@ -475,35 +448,58 @@ public class Assert {
* Assert.notEmpty(array, "The array must have elements");
* </pre>
*
* @param <T> 数组元素类型
* @param array 被检查的数组
* @param errorMsgTemplate 异常时的消息模板
* @param params 参数列表
* @return 被检查的数组
* @throws IllegalArgumentException if the object array is {@code null} or has no elements
*/
public static <T> T[] notEmpty(T[] array, String errorMsgTemplate, Object... params) throws IllegalArgumentException {
return notEmpty(array, () -> new IllegalArgumentException(StrUtil.format(errorMsgTemplate, params)));
}
/**
* 断言给定数组是否包含元素，数组必须不为 {@code null} 且至少包含一个元素
*
* <pre class="code">
* Assert.notEmpty(array, "The array must have elements");
* </pre>
*
* @param <T> 数组元素类型
* @param array 被检查的数组
* @return 被检查的数组
* @throws IllegalArgumentException if the object array is {@code null} or has no elements
*/
public static Object[] notEmpty(Object[] array) throws IllegalArgumentException {
public static <T> T[] notEmpty(T[] array) throws IllegalArgumentException {
return notEmpty(array, "[Assertion failed] - this array must not be empty: it must contain at least 1 element");
}
/**
* 断言给定数组是否不包含{@code null}元素，如果数组为空或 {@code null}将被认为不包含
* 并使用指定的函数获取错误信息返回
* <pre class="code">
* Assert.noNullElements(array, ()->{
* // to query relation message
* return "relation message to return ";
* return new IllegalArgumentException("relation message to return ");
* });
* </pre>
*
* @param <T> 数组元素类型
* @param array 被检查的数组
* @param errorMsgSupplier 错误抛出异常附带的消息生产接口
* @param errorSupplier 错误抛出异常附带的消息生产接口
* @return 被检查的数组
* @throws IllegalArgumentException if the object array contains a {@code null} element
* @throws X if the object array contains a {@code null} element
* @see ArrayUtil#hasNull(Object[])
* @since 5.4.5
*/
public static <T> T[] noNullElements(T[] array, Supplier<String> errorMsgSupplier) throws IllegalArgumentException {
public static <T, X extends Throwable> T[] noNullElements(T[] array, Supplier<X> errorSupplier) throws X {
if (ArrayUtil.hasNull(array)) {
throw new IllegalArgumentException(errorMsgSupplier.get());
throw errorSupplier.get();
}
return array;
}
/**
* 断言给定数组是否不包含{@code null}元素，如果数组为空或 {@code null}将被认为不包含
*
@ -519,10 +515,7 @@ public class Assert {
* @throws IllegalArgumentException if the object array contains a {@code null} element
*/
public static <T> T[] noNullElements(T[] array, String errorMsgTemplate, Object... params) throws IllegalArgumentException {
if (ArrayUtil.hasNull(array)) {
throw new IllegalArgumentException(StrUtil.format(errorMsgTemplate, params));
}
return array;
return noNullElements(array, () -> new IllegalArgumentException(StrUtil.format(errorMsgTemplate, params)));
}
/**
@ -540,28 +533,34 @@ public class Assert {
public static <T> T[] noNullElements(T[] array) throws IllegalArgumentException {
return noNullElements(array, "[Assertion failed] - this array must not contain any null elements");
}
/**
* 断言给定集合非空
* 并使用指定的函数获取错误信息返回
* <pre class="code">
* Assert.notEmpty(collection, ()->{
* // to query relation message
* return "relation message to return ";
* return new IllegalArgumentException("relation message to return");
* });
* </pre>
*
* @param <T> 集合元素类型
* @param <E> 集合元素类型
* @param <T> 集合类型
* @param <X> 异常类型
* @param collection 被检查的集合
* @param errorMsgSupplier 错误抛出异常附带的消息生产接口
* @param errorSupplier 错误抛出异常附带的消息生产接口
* @return 非空集合
* @throws IllegalArgumentException if the collection is {@code null} or has no elements
* @throws X if the collection is {@code null} or has no elements
* @see CollUtil#isNotEmpty(Iterable)
* @since 5.4.5
*/
public static <T> Collection<T> notEmpty(Collection<T> collection, Supplier<String> errorMsgSupplier) throws IllegalArgumentException {
public static <E, T extends Iterable<E>, X extends Throwable> T notEmpty(T collection, Supplier<X> errorSupplier) throws X {
if (CollUtil.isEmpty(collection)) {
throw new IllegalArgumentException(errorMsgSupplier.get());
throw errorSupplier.get();
}
return collection;
}
/**
* 断言给定集合非空
*
@ -569,18 +568,16 @@ public class Assert {
* Assert.notEmpty(collection, "Collection must have elements");
* </pre>
*
* @param <T> 集合元素类型
* @param <E> 集合元素类型
* @param <T> 集合类型
* @param collection 被检查的集合
* @param errorMsgTemplate 异常时的消息模板
* @param params 参数列表
* @return 非空集合
* @throws IllegalArgumentException if the collection is {@code null} or has no elements
*/
public static <T> Collection<T> notEmpty(Collection<T> collection, String errorMsgTemplate, Object... params) throws IllegalArgumentException {
if (CollUtil.isEmpty(collection)) {
throw new IllegalArgumentException(StrUtil.format(errorMsgTemplate, params));
}
return collection;
public static <E, T extends Iterable<E>> T notEmpty(T collection, String errorMsgTemplate, Object... params) throws IllegalArgumentException {
return notEmpty(collection, () -> new IllegalArgumentException(StrUtil.format(errorMsgTemplate, params)));
}
/**
@ -590,57 +587,40 @@ public class Assert {
* Assert.notEmpty(collection);
* </pre>
*
* @param <T> 集合元素类型
* @param <E> 集合元素类型
* @param <T> 集合类型
* @param collection 被检查的集合
* @return 被检查集合
* @throws IllegalArgumentException if the collection is {@code null} or has no elements
*/
public static <T> Collection<T> notEmpty(Collection<T> collection) throws IllegalArgumentException {
public static <E, T extends Iterable<E>> T notEmpty(T collection) throws IllegalArgumentException {
return notEmpty(collection, "[Assertion failed] - this collection must not be empty: it must contain at least 1 element");
}
/**
* 断言给定Map非空
* 并使用指定的函数获取错误信息返回
* <pre class="code">
* Assert.notEmpty(map, ()->{
* // to query relation message
* return "relation message to return ";
* return new IllegalArgumentException("relation message to return");
* });
* </pre>
*
* @param <K> Key类型
* @param <V> Value类型
*
* @param <T> Map类型
* @param <X> 异常类型
* @param map 被检查的Map
* @param errorMsgSupplier 错误抛出异常附带的消息生产接口
* @param errorSupplier 错误抛出异常附带的消息生产接口
* @return 被检查的Map
* @throws IllegalArgumentException if the map is {@code null} or has no entries
* @throws X if the map is {@code null} or has no entries
* @see MapUtil#isNotEmpty(Map)
* @since 5.4.5
*/
public static <K, V> Map<K, V> notEmpty(Map<K, V> map, Supplier<String> errorMsgSupplier) throws IllegalArgumentException {
if (CollUtil.isEmpty(map)) {
throw new IllegalArgumentException(errorMsgSupplier.get());
}
return map;
}
/**
* 断言给定Map非空
*
* <pre class="code">
* Assert.notEmpty(map, "Map must have entries");
* </pre>
*
* @param <K> Key类型
* @param <V> Value类型
*
* @param map 被检查的Map
* @param errorMsgTemplate 异常时的消息模板
* @param params 参数列表
* @return 被检查的Map
* @throws IllegalArgumentException if the map is {@code null} or has no entries
*/
public static <K, V> Map<K, V> notEmpty(Map<K, V> map, String errorMsgTemplate, Object... params) throws IllegalArgumentException {
if (CollUtil.isEmpty(map)) {
throw new IllegalArgumentException(StrUtil.format(errorMsgTemplate, params));
public static <K, V, T extends Map<K, V>, X extends Throwable> T notEmpty(T map, Supplier<X> errorSupplier) throws X {
if (MapUtil.isEmpty(map)) {
throw errorSupplier.get();
}
return map;
}
@ -654,12 +634,32 @@ public class Assert {
*
* @param <K> Key类型
* @param <V> Value类型
* @param <T> Map类型
* @param map 被检查的Map
* @param errorMsgTemplate 异常时的消息模板
* @param params 参数列表
* @return 被检查的Map
* @throws IllegalArgumentException if the map is {@code null} or has no entries
*/
public static <K, V, T extends Map<K, V>> T notEmpty(T map, String errorMsgTemplate, Object... params) throws IllegalArgumentException {
return notEmpty(map, () -> new IllegalArgumentException(StrUtil.format(errorMsgTemplate, params)));
}
/**
* 断言给定Map非空
*
* <pre class="code">
* Assert.notEmpty(map, "Map must have entries");
* </pre>
*
* @param <K> Key类型
* @param <V> Value类型
* @param <T> Map类型
* @param map 被检查的Map
* @return 被检查的Map
* @throws IllegalArgumentException if the map is {@code null} or has no entries
*/
public static <K, V> Map<K, V> notEmpty(Map<K, V> map) throws IllegalArgumentException {
public static <K, V, T extends Map<K, V>> T notEmpty(T map) throws IllegalArgumentException {
return notEmpty(map, "[Assertion failed] - this map must not be empty; it must contain at least one entry");
}
@ -739,6 +739,7 @@ public class Assert {
throw new IllegalArgumentException(StrUtil.format(errorMsgTemplate, params));
}
}
/**
* 检查boolean表达式，当检查结果为false时抛出 {@code IllegalStateException}。
* 并使用指定的函数获取错误信息返回
@ -758,6 +759,7 @@ public class Assert {
throw new IllegalStateException(errorMsgSupplier.get());
}
}
/**
* 检查boolean表达式，当检查结果为false时抛出 {@code IllegalStateException}。
*
@ -902,6 +904,7 @@ public class Assert {
}
// -------------------------------------------------------------------------------------------------------------------------------------------- Private method start
/**
* 错误的下标时显示的消息
*

9
hutool-core/src/test/java/cn/hutool/core/lang/AssertTest.java
View File

@ -18,12 +18,21 @@ public class AssertTest {
@Test(expected = IllegalArgumentException.class)
public void isTrueTest() {
int i = 0;
//noinspection ConstantConditions
cn.hutool.core.lang.Assert.isTrue(i > 0, IllegalArgumentException::new);
}
@Test(expected = IndexOutOfBoundsException.class)
public void isTrueTest2() {
int i = -1;
//noinspection ConstantConditions
cn.hutool.core.lang.Assert.isTrue(i >= 0, IndexOutOfBoundsException::new);
}
@Test(expected = IndexOutOfBoundsException.class)
public void isTrueTest3() {
int i = -1;
//noinspection ConstantConditions
Assert.isTrue(i > 0, ()-> new IndexOutOfBoundsException("relation message to return"));
}
}

4
hutool-json/src/main/java/cn/hutool/json/JSONNull.java
View File

@ -1,5 +1,7 @@
package cn.hutool.json;
import cn.hutool.core.util.StrUtil;
import java.io.Serializable;
/**
@ -39,6 +41,6 @@ public class JSONNull implements Serializable{
*/
@Override
public String toString() {
return "null";
return StrUtil.NULL;
}
}

6
hutool-poi/src/test/java/cn/hutool/poi/excel/test/ExcelReadTest.java
View File

@ -214,4 +214,10 @@ public class ExcelReadTest {
reader.read((cell, value)-> Console.log("{}, {} {}", cell.getRowIndex(), cell.getColumnIndex(), value));
}
@Test
public void readTest() {
final ExcelReader reader = ExcelUtil.getReader("d:/test/人员体检信息表.xlsx");
final List<List<Object>> read = reader.read();
// Console.log(read);
}
}