mirror of
https://gitee.com/chinabugotech/hutool.git
synced 2025-05-09 23:51:34 +08:00
Merge remote-tracking branch 'origin/v5-dev' into v5-dev
This commit is contained in:
commit
7add03c7b3
@ -3,7 +3,7 @@
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-------------------------------------------------------------------------------------------------------------
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# 5.7.17 (2021-11-19)
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# 5.7.17 (2021-11-20)
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### 🐣新特性
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* 【core 】 增加AsyncUtil(pr#457@Gitee)
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@ -20,10 +20,12 @@
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* 【core 】 CollStreamUtil增加是否并行的重载(pr#467@Gitee)
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* 【core 】 ResourceClassLoader增加缓存(pr#1959@Github)
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* 【crypto 】 增加CipherWrapper,增加setRandom(issue#1958@Github)
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* 【core 】 Opt增加ofTry方法(pr#1956@Github)
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*
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### 🐞Bug修复
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* 【core 】 修复FileResource构造fileName参数无效问题(issue#1942@Github)
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* 【cache 】 修复WeakCache键值强关联导致的无法回收问题(issue#1953@Github)
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* 【core 】 修复ZipUtil相对路径父路径获取null问题(issue#1961@Github)
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-------------------------------------------------------------------------------------------------------------
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@ -25,6 +25,7 @@
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package cn.hutool.core.lang;
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import cn.hutool.core.collection.CollectionUtil;
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import cn.hutool.core.lang.func.Func0;
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import cn.hutool.core.lang.func.VoidFunc0;
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import cn.hutool.core.util.StrUtil;
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@ -105,15 +106,33 @@ public class Opt<T> {
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* @param value 传入需要包裹的元素
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* @param <T> 包裹里元素的类型
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* @return 一个包裹里元素可能为空的 {@code Opt}
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* @since 5.7.17
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*/
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public static <T> Opt<List<T>> ofEmptyAble(List<T> value) {
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return CollectionUtil.isEmpty(value) ? empty() : new Opt<>(value);
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}
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/**
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*
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* @param supplier 操作
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* @param <T> 类型
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* @return 操作执行后的值
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*/
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public static <T> Opt<T> ofTry(Func0<T> supplier) {
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try {
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return Opt.ofNullable(supplier.call());
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} catch (Exception e) {
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final Opt<T> empty = Opt.empty();
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empty.exception = e;
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return empty;
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}
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}
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/**
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* 包裹里实际的元素
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*/
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private final T value;
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private Exception exception;
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/**
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* {@code Opt}的构造函数
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@ -136,16 +155,7 @@ public class Opt<T> {
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* @return 包裹里的元素,有可能为{@code null}
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*/
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public T get() {
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return value;
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}
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/**
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* 判断包裹里元素的值是否存在,存在为 {@code true},否则为{@code false}
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*
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* @return 包裹里元素的值存在为 {@code true},否则为{@code false}
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*/
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public boolean isPresent() {
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return value != null;
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return this.value;
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}
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/**
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@ -158,6 +168,37 @@ public class Opt<T> {
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return value == null;
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}
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/**
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* 获取异常<br>
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* 当调用 {@link #ofTry(Func0)}时,异常信息不会抛出,而是保存,调用此方法获取抛出的异常
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*
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* @return 异常
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* @since 5.7.17
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*/
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public Exception getException(){
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return this.exception;
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}
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/**
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* 是否失败<br>
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* 当调用 {@link #ofTry(Func0)}时,抛出异常则表示失败
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*
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* @return 是否失败
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* @since 5.7.17
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*/
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public boolean isFail(){
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return null != this.exception;
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}
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/**
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* 判断包裹里元素的值是否存在,存在为 {@code true},否则为{@code false}
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*
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* @return 包裹里元素的值存在为 {@code true},否则为{@code false}
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*/
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public boolean isPresent() {
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return value != null;
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}
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/**
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* 如果包裹里的值存在,就执行传入的操作({@link Consumer#accept})
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*
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@ -390,7 +431,18 @@ public class Opt<T> {
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* @return 如果包裹里元素的值存在,则返回该值,否则返回传入的{@code other}
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*/
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public T orElse(T other) {
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return value != null ? value : other;
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return isPresent() ? value : other;
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}
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/**
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* 异常则返回另一个可选值
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*
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* @param other 可选值
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* @return 如果未发生异常,则返回该值,否则返回传入的{@code other}
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* @since 5.7.17
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*/
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public T exceptionOrElse(T other){
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return isFail() ? other : value;
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}
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/**
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@ -401,7 +453,7 @@ public class Opt<T> {
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* @throws NullPointerException 如果之不存在,并且传入的操作为空,则抛出 {@code NPE}
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*/
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public T orElseGet(Supplier<? extends T> supplier) {
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return value != null ? value : supplier.get();
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return isPresent() ? value : supplier.get();
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}
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/**
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@ -411,10 +463,7 @@ public class Opt<T> {
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* @throws NoSuchElementException 如果包裹里的值不存在则抛出该异常
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*/
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public T orElseThrow() {
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if (value == null) {
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throw new NoSuchElementException("No value present");
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}
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return value;
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return orElseThrow(NoSuchElementException::new, "No value present");
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}
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/**
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@ -428,7 +477,7 @@ public class Opt<T> {
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* @throws NullPointerException 如果值不存在并且 传入的操作为 {@code null}或者操作执行后的返回值为{@code null}
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*/
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public <X extends Throwable> T orElseThrow(Supplier<? extends X> exceptionSupplier) throws X {
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if (value != null) {
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if (isPresent()) {
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return value;
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} else {
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throw exceptionSupplier.get();
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@ -452,7 +501,7 @@ public class Opt<T> {
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* @author VampireAchao
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*/
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public <X extends Throwable> T orElseThrow(Function<String, ? extends X> exceptionFunction, String message) throws X {
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if (value != null) {
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if (isPresent()) {
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return value;
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} else {
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throw exceptionFunction.apply(message);
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@ -469,22 +518,6 @@ public class Opt<T> {
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return Optional.ofNullable(this.value);
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}
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/**
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* 执行一系列操作,如果途中发生 {@code NPE} 和 {@code IndexOutOfBoundsException},返回一个空的{@code Opt}
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*
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* @param supplier 操作
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* @param <T> 类型
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* @return 操作执行后的值
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*/
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public static <T> Opt<T> exec(Supplier<T> supplier) {
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try {
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return Opt.ofNullable(supplier.get());
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} catch (NullPointerException | IndexOutOfBoundsException e) {
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return empty();
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}
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}
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/**
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* 判断传入参数是否与 {@code Opt}相等
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* 在以下情况下返回true
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@ -530,8 +563,6 @@ public class Opt<T> {
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*/
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@Override
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public String toString() {
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return value != null
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? value.toString()
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: null;
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return StrUtil.toStringOrNull(this.value);
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}
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}
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@ -2471,21 +2471,22 @@ public class CharSequenceUtil {
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*
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* @param str 被重复的字符串
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* @param count 数量
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* @param conjunction 分界符
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* @param delimiter 分界符
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* @return 连接后的字符串
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* @since 4.0.1
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*/
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public static String repeatAndJoin(CharSequence str, int count, CharSequence conjunction) {
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public static String repeatAndJoin(CharSequence str, int count, CharSequence delimiter) {
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if (count <= 0) {
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return EMPTY;
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}
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final StrBuilder builder = StrBuilder.create();
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boolean isFirst = true;
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final StringBuilder builder = new StringBuilder(str.length() * count);
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builder.append(str);
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count--;
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final boolean isAppendDelimiter = isNotEmpty(delimiter);
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while (count-- > 0) {
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if (isFirst) {
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isFirst = false;
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} else if (isNotEmpty(conjunction)) {
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builder.append(conjunction);
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if (isAppendDelimiter) {
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builder.append(delimiter);
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}
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builder.append(str);
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}
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@ -3521,7 +3522,7 @@ public class CharSequenceUtil {
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fromIndex = 0;
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}
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final StrBuilder result = StrBuilder.create(strLength + 16);
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final StringBuilder result = new StringBuilder(strLength - searchStrLength + replacement.length());
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if (0 != fromIndex) {
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result.append(str.subSequence(0, fromIndex));
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}
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@ -4285,7 +4286,7 @@ public class CharSequenceUtil {
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// 循环位移,当越界时循环
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moveLength = moveLength % len;
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}
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final StrBuilder strBuilder = StrBuilder.create(len);
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final StringBuilder strBuilder = new StringBuilder(len);
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if (moveLength > 0) {
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int endAfterMove = Math.min(endExclude + moveLength, str.length());
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strBuilder.append(str.subSequence(0, startInclude))//
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@ -191,11 +191,10 @@ public class StrJoiner implements Appendable, Serializable {
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/**
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* 追加对象到拼接器中
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*
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* @param <T> 元素类型
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* @param obj 对象,支持数组、集合等
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* @return this
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*/
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public <T> StrJoiner append(Object obj) {
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public StrJoiner append(Object obj) {
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if (null == obj) {
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append((CharSequence) null);
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} else if (ArrayUtil.isArray(obj)) {
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@ -25,7 +25,7 @@ public class UnicodeUtil {
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}
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final int len = unicode.length();
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StrBuilder sb = StrBuilder.create(len);
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StringBuilder sb = new StringBuilder(len);
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int i;
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int pos = 0;
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while ((i = StrUtil.indexOfIgnoreCase(unicode, "\\u", pos)) != -1) {
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@ -101,7 +101,7 @@ public class UnicodeUtil {
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}
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final int len = str.length();
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final StrBuilder unicode = StrBuilder.create(str.length() * 6);
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final StringBuilder unicode = new StringBuilder(str.length() * 6);
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char c;
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for (int i = 0; i < len; i++) {
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c = str.charAt(i);
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@ -716,6 +716,9 @@ public class NumberUtil {
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* @since 3.1.0
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*/
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public static BigDecimal div(Number v1, Number v2, int scale, RoundingMode roundingMode) {
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if(v1 instanceof BigDecimal && v2 instanceof BigDecimal){
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return div((BigDecimal)v1, (BigDecimal)v2, scale, roundingMode);
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}
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return div(v1.toString(), v2.toString(), scale, roundingMode);
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}
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@ -177,7 +177,7 @@ public class StrUtil extends CharSequenceUtil implements StrPool {
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* @return 字符串
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*/
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public static String str(byte[] bytes, String charset) {
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return str(bytes, isBlank(charset) ? Charset.defaultCharset() : Charset.forName(charset));
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return str(bytes, CharsetUtil.charset(charset));
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}
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/**
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@ -206,7 +206,7 @@ public class StrUtil extends CharSequenceUtil implements StrPool {
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* @return 字符串
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*/
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public static String str(Byte[] bytes, String charset) {
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return str(bytes, isBlank(charset) ? Charset.defaultCharset() : Charset.forName(charset));
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return str(bytes, CharsetUtil.charset(charset));
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}
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/**
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@ -243,7 +243,7 @@ public class StrUtil extends CharSequenceUtil implements StrPool {
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return null;
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}
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return str(data, Charset.forName(charset));
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return str(data, CharsetUtil.charset(charset));
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}
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/**
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@ -272,6 +272,17 @@ public class StrUtil extends CharSequenceUtil implements StrPool {
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return String.valueOf(obj);
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}
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/**
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* 调用对象的toString方法,null会返回{@code null}
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*
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* @param obj 对象
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* @return 字符串 or {@code null}
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* @since 5.7.17
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*/
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public static String toStringOrNull(Object obj) {
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return null == obj ? null : obj.toString();
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}
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/**
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* 创建StringBuilder对象
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*
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@ -1002,8 +1002,17 @@ public class ZipUtil {
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throw new UtilException(StrUtil.format("File [{}] not exist!", srcFile.getAbsolutePath()));
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}
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// issue#1961@Github
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// 当 zipFile = new File("temp.zip") 时, zipFile.getParentFile() == null
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File parentFile;
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try {
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parentFile = zipFile.getCanonicalFile().getParentFile();
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} catch (IOException e) {
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parentFile = zipFile.getParentFile();
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}
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// 压缩文件不能位于被压缩的目录内
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if (srcFile.isDirectory() && FileUtil.isSub(srcFile, zipFile.getParentFile())) {
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if (srcFile.isDirectory() && FileUtil.isSub(srcFile, parentFile)) {
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throw new UtilException("Zip file path [{}] must not be the child directory of [{}] !", zipFile.getPath(), srcFile.getPath());
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}
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}
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@ -177,12 +177,12 @@ public class OptTest {
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String indexOutSituation = Opt.ofEmptyAble(last).map(l -> l.get(0)).orElse("hutool");
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// 现在代码整洁度降低,但可读性up,如果再人说看不懂这代码...
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String npe = Opt.exec(() -> last.get(0)).orElse("hutool");
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String indexOut = Opt.exec(() -> {
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String npe = Opt.ofTry(() -> last.get(0)).exceptionOrElse("hutool");
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String indexOut = Opt.ofTry(() -> {
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List<String> list = new ArrayList<>();
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// 你可以在里面写一长串调用链 list.get(0).getUser().getId()
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return list.get(0);
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}).orElse("hutool");
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}).exceptionOrElse("hutool");
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Assert.assertEquals(npe, npeSituation);
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Assert.assertEquals(indexOut, indexOutSituation);
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Assert.assertEquals("hutool", npe);
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@ -197,6 +197,4 @@ public class OptTest {
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private String username;
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private String nickname;
|
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}
|
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||||
|
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}
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|
@ -87,6 +87,12 @@ public class NumberUtilTest {
|
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Assert.assertEquals(0.0, result, 0);
|
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}
|
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@Test
|
||||
public void divBigDecimalTest() {
|
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BigDecimal result = NumberUtil.div(BigDecimal.ZERO, BigDecimal.ONE);
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Assert.assertEquals(BigDecimal.ZERO, result.stripTrailingZeros());
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}
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@Test
|
||||
public void roundTest() {
|
||||
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|
@ -25,7 +25,7 @@
|
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<commons-logging.version>1.2</commons-logging.version>
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<tinylog.version>1.3.6</tinylog.version>
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<jboss-logging.version>3.4.2.Final</jboss-logging.version>
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<logtube.version>0.39.2</logtube.version>
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<logtube.version>0.41.0</logtube.version>
|
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</properties>
|
||||
|
||||
<dependencies>
|
||||
|
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