diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5bca495dc..0e3903c65 100755
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,13 +2,14 @@
# 🚀Changelog
-------------------------------------------------------------------------------------------------------------
-# 5.8.30(2024-07-16)
+# 5.8.30(2024-07-18)
### 🐣新特性
* 【core 】 Converter转换规则变更,空对象、空值转为Bean时,创建默认对象,而非null(issue#3649@Github)
* 【core 】 UrlQuery增加remove方法
* 【extra 】 增加JakartaMailUtil,支持新包名的mail
* 【core 】 CharSequenceUtil增加removeAllPrefix和removeAllSuffix方法(pr#3655@Github)
+* 【core 】 CharSequenceUtil增加stripAll方法(pr#3659@Github)
### 🐞Bug修复
* 【core 】 修复因RFC3986理解有误导致的UrlPath处理冒号转义问题(issue#IAAE88@Gitee)
diff --git a/hutool-core/src/main/java/cn/hutool/core/text/CharSequenceUtil.java b/hutool-core/src/main/java/cn/hutool/core/text/CharSequenceUtil.java
index 3f723c311..82929414d 100755
--- a/hutool-core/src/main/java/cn/hutool/core/text/CharSequenceUtil.java
+++ b/hutool-core/src/main/java/cn/hutool/core/text/CharSequenceUtil.java
@@ -1606,6 +1606,31 @@ public class CharSequenceUtil {
// ------------------------------------------------------------------------ strip
+ /**
+ * 去除两边的指定字符串,忽略大小写
+ *
+ * @param str 被处理的字符串
+ * @param prefixOrSuffix 前缀或后缀
+ * @return 处理后的字符串
+ * @since 3.1.2
+ */
+ public static String stripIgnoreCase(final CharSequence str, final CharSequence prefixOrSuffix) {
+ return stripIgnoreCase(str, prefixOrSuffix, prefixOrSuffix);
+ }
+
+ /**
+ * 去除两边的指定字符串,忽略大小写
+ *
+ * @param str 被处理的字符串
+ * @param prefix 前缀
+ * @param suffix 后缀
+ * @return 处理后的字符串
+ * @since 3.1.2
+ */
+ public static String stripIgnoreCase(final CharSequence str, final CharSequence prefix, final CharSequence suffix) {
+ return strip(str, prefix, suffix, true);
+ }
+
/**
* 去除两边的指定字符串
*
@@ -1623,7 +1648,20 @@ public class CharSequenceUtil {
}
/**
- * 去除两边的指定字符串
+ * 去除两边的指定字符串
+ * 两边字符如果存在,则去除,不存在不做处理
+ *
{@code + * "aaa_STRIPPED_bbb", "a", "b" -> "aa_STRIPPED_bb" + * "aaa_STRIPPED_bbb", null, null -> "aaa_STRIPPED_bbb" + * "aaa_STRIPPED_bbb", "", "" -> "aaa_STRIPPED_bbb" + * "aaa_STRIPPED_bbb", "", "b" -> "aaa_STRIPPED_bb" + * "aaa_STRIPPED_bbb", null, "b" -> "aaa_STRIPPED_bb" + * "aaa_STRIPPED_bbb", "a", "" -> "aa_STRIPPED_bbb" + * "aaa_STRIPPED_bbb", "a", null -> "aa_STRIPPED_bbb" + * + * "a", "a", "a" -> "" + * } + ** * @param str 被处理的字符串 * @param prefix 前缀 @@ -1632,59 +1670,146 @@ public class CharSequenceUtil { * @since 3.1.2 */ public static String strip(CharSequence str, CharSequence prefix, CharSequence suffix) { + return strip(str, prefix, suffix, false); + } + + /** + * 去除两边的指定字符串
{@code + * "aaa_STRIPPED_bbb", "a", "b" -> "aa_STRIPPED_bb" + * "aaa_STRIPPED_bbb", null, null -> "aaa_STRIPPED_bbb" + * "aaa_STRIPPED_bbb", "", "" -> "aaa_STRIPPED_bbb" + * "aaa_STRIPPED_bbb", "", "b" -> "aaa_STRIPPED_bb" + * "aaa_STRIPPED_bbb", null, "b" -> "aaa_STRIPPED_bb" + * "aaa_STRIPPED_bbb", "a", "" -> "aa_STRIPPED_bbb" + * "aaa_STRIPPED_bbb", "a", null -> "aa_STRIPPED_bbb" + * + * "a", "a", "a" -> "" + * } + *+ * + * @param str 被处理的字符串 + * @param prefix 前缀 + * @param suffix 后缀 + * @param ignoreCase 是否忽略大小写 + * @return 处理后的字符串 + * @since 3.1.2 + */ + public static String strip(CharSequence str, CharSequence prefix, CharSequence suffix, boolean ignoreCase) { if (isEmpty(str)) { return str(str); } + final String str2 = str.toString(); int from = 0; - int to = str.length(); + int to = str2.length(); - String str2 = str.toString(); - if (startWith(str2, prefix)) { + if (startWith(str2, prefix, ignoreCase)) { from = prefix.length(); + if(from == to){ + // "a", "a", "a" -> "" + return EMPTY; + } } - if (endWith(str2, suffix)) { + if (endWith(str2, suffix, ignoreCase)) { to -= suffix.length(); + if(from == to){ + // "a", "a", "a" -> "" + return EMPTY; + } else if(to < from){ + // pre去除后和suffix有重叠,如 ("aba", "ab", "ba") -> "a" + to += suffix.length(); + } } - return str2.substring(Math.min(from, to), Math.max(from, to)); + return str2.substring(from, to); } /** - * 去除两边的指定字符串,忽略大小写 + * 去除两边所有的指定字符串 + * + *
{@code + * "aaa_STRIPPED_bbb", "a" -> "_STRIPPED_bbb" + * "aaa_STRIPPED_bbb", "a", "b" -> "_STRIPPED_" + * "aaa_STRIPPED_bbb", "" -> "aaa_STRIPPED_bbb" + * } + ** * @param str 被处理的字符串 * @param prefixOrSuffix 前缀或后缀 * @return 处理后的字符串 - * @since 3.1.2 + * @since 5.8.30 */ - public static String stripIgnoreCase(CharSequence str, CharSequence prefixOrSuffix) { - return stripIgnoreCase(str, prefixOrSuffix, prefixOrSuffix); + public static String stripAll(final CharSequence str, final CharSequence prefixOrSuffix) { + if (equals(str, prefixOrSuffix)) { + return EMPTY; + } + return stripAll(str, prefixOrSuffix, prefixOrSuffix); } /** - * 去除两边的指定字符串,忽略大小写 + * 去除两边所有的指定字符串 + * + *
{@code + * "aaa_STRIPPED_bbb", "a", "b" -> "_STRIPPED_" + * "aaa_STRIPPED_bbb", null, null -> "aaa_STRIPPED_bbb" + * "aaa_STRIPPED_bbb", "", "" -> "aaa_STRIPPED_bbb" + * "aaa_STRIPPED_bbb", "", "b" -> "aaa_STRIPPED_" + * "aaa_STRIPPED_bbb", null, "b" -> "aaa_STRIPPED_" + * "aaa_STRIPPED_bbb", "a", "" -> "_STRIPPED_bbb" + * "aaa_STRIPPED_bbb", "a", null -> "_STRIPPED_bbb" + * + * // special test + * "aaaaaabbb", "aaa", null -> "bbb" + * "aaaaaaabbb", "aa", null -> "abbb" + * + * "aaaaaaaaa", "aaa", "aa" -> "" + * "a", "a", "a" -> "" + * } + ** * @param str 被处理的字符串 * @param prefix 前缀 * @param suffix 后缀 * @return 处理后的字符串 - * @since 3.1.2 + * @since 5.8.30 */ - public static String stripIgnoreCase(CharSequence str, CharSequence prefix, CharSequence suffix) { + public static String stripAll(final CharSequence str, final CharSequence prefix, final CharSequence suffix) { if (isEmpty(str)) { return str(str); } - int from = 0; - int to = str.length(); - String str2 = str.toString(); - if (startWithIgnoreCase(str2, prefix)) { - from = prefix.length(); + final String prefixStr = emptyIfNull(prefix); + final String suffixStr = emptyIfNull(suffix); + + final String str2 = str.toString(); + int from = 0; + int to = str2.length(); + + if(!prefixStr.isEmpty()){ + while (str2.startsWith(prefixStr, from)) { + from += prefix.length(); + if(from == to){ + // "a", "a", "a" -> "" + return EMPTY; + } + } } - if (endWithIgnoreCase(str2, suffix)) { - to -= suffix.length(); + if(!suffixStr.isEmpty()){ + while (str2.startsWith(suffixStr, to - suffixStr.length())) { + to -= suffixStr.length(); + if(from == to){ + // "a", "a", "a" -> "" + return EMPTY; + }else if(to < from){ + // pre去除后和suffix有重叠,如 ("aba", "ab", "ba") -> "a" + to += suffixStr.length(); + break; + } + } } + return str2.substring(from, to); } diff --git a/hutool-core/src/test/java/cn/hutool/core/text/CharSequenceUtilTest.java b/hutool-core/src/test/java/cn/hutool/core/text/CharSequenceUtilTest.java index 0e0c4d2ed..5bd1afe10 100755 --- a/hutool-core/src/test/java/cn/hutool/core/text/CharSequenceUtilTest.java +++ b/hutool-core/src/test/java/cn/hutool/core/text/CharSequenceUtilTest.java @@ -294,4 +294,89 @@ public class CharSequenceUtilTest { result = CharSequenceUtil.removeAllSuffix(str, prefix); assertNull(result); } + + @Test + public void stripIgnoreCaseTest() { + + final String SOURCE_STRING = "aaa_STRIPPED_bbb"; + + // ---------------------------- test strip ---------------------------- + + // Normal test + assertEquals("aa_STRIPPED_bbb", CharSequenceUtil.stripIgnoreCase(SOURCE_STRING, "a")); + assertEquals(SOURCE_STRING, CharSequenceUtil.stripIgnoreCase(SOURCE_STRING, "")); + assertEquals("aa_STRIPPED_bb", CharSequenceUtil.stripIgnoreCase(SOURCE_STRING, "A", "b")); + + // test null param + assertEquals(SOURCE_STRING, CharSequenceUtil.stripIgnoreCase(SOURCE_STRING, null, null)); + assertEquals(SOURCE_STRING, CharSequenceUtil.stripIgnoreCase(SOURCE_STRING, "", "")); + assertEquals("aaa_STRIPPED_bb", CharSequenceUtil.stripIgnoreCase(SOURCE_STRING, "", "B")); + assertEquals("aaa_STRIPPED_bb", CharSequenceUtil.stripIgnoreCase(SOURCE_STRING, null, "b")); + assertEquals("aa_STRIPPED_bbb", CharSequenceUtil.stripIgnoreCase(SOURCE_STRING, "a", "")); + assertEquals("aa_STRIPPED_bbb", CharSequenceUtil.stripIgnoreCase(SOURCE_STRING, "a", null)); + // 本次提交前无法通过的 case + assertEquals("", CharSequenceUtil.stripIgnoreCase("a", "a", "a")); + + // 前缀后缀有重叠,优先去掉前缀 + assertEquals("a", CharSequenceUtil.stripIgnoreCase("aba", "aB", "bB")); + } + + @Test + public void stripTest() { + + final String SOURCE_STRING = "aaa_STRIPPED_bbb"; + + // ---------------------------- test strip ---------------------------- + + // Normal test + assertEquals("aa_STRIPPED_bbb", CharSequenceUtil.strip(SOURCE_STRING, "a")); + assertEquals(SOURCE_STRING, CharSequenceUtil.strip(SOURCE_STRING, "")); + assertEquals("aa_STRIPPED_bb", CharSequenceUtil.strip(SOURCE_STRING, "a", "b")); + + // test null param + assertEquals(SOURCE_STRING, CharSequenceUtil.strip(SOURCE_STRING, null, null)); + assertEquals(SOURCE_STRING, CharSequenceUtil.strip(SOURCE_STRING, "", "")); + assertEquals("aaa_STRIPPED_bb", CharSequenceUtil.strip(SOURCE_STRING, "", "b")); + assertEquals("aaa_STRIPPED_bb", CharSequenceUtil.strip(SOURCE_STRING, null, "b")); + assertEquals("aa_STRIPPED_bbb", CharSequenceUtil.strip(SOURCE_STRING, "a", "")); + assertEquals("aa_STRIPPED_bbb", CharSequenceUtil.strip(SOURCE_STRING, "a", null)); + // 本次提交前无法通过的 case + assertEquals("", CharSequenceUtil.strip("a", "a", "a")); + + // 前缀后缀有重叠,优先去掉前缀 + assertEquals("a", CharSequenceUtil.strip("aba", "ab", "ba")); + } + + @Test + public void stripAllTest() { + final String SOURCE_STRING = "aaa_STRIPPED_bbb"; + + // ---------------------------- test stripAll ---------------------------- + + // Normal test + assertEquals("_STRIPPED_bbb", CharSequenceUtil.stripAll(SOURCE_STRING, "a")); + assertEquals(SOURCE_STRING, CharSequenceUtil.stripAll(SOURCE_STRING, "")); + + // test null param + assertEquals("_STRIPPED_", CharSequenceUtil.stripAll(SOURCE_STRING, "a", "b")); + assertEquals(SOURCE_STRING, CharSequenceUtil.stripAll(SOURCE_STRING, null, null)); + assertEquals(SOURCE_STRING, CharSequenceUtil.stripAll(SOURCE_STRING, "", "")); + assertEquals("aaa_STRIPPED_", CharSequenceUtil.stripAll(SOURCE_STRING, "", "b")); + assertEquals("aaa_STRIPPED_", CharSequenceUtil.stripAll(SOURCE_STRING, null, "b")); + assertEquals("_STRIPPED_bbb", CharSequenceUtil.stripAll(SOURCE_STRING, "a", "")); + assertEquals("_STRIPPED_bbb", CharSequenceUtil.stripAll(SOURCE_STRING, "a", null)); + + // special test + assertEquals("bbb", CharSequenceUtil.stripAll("aaaaaabbb", "aaa", null)); + assertEquals("abbb", CharSequenceUtil.stripAll("aaaaaaabbb", "aa", null)); + + // aaaaaaaaa (9个a) 可以被看为 aaa_aaaa_aa + assertEquals("", CharSequenceUtil.stripAll("aaaaaaaaa", "aaa", "aa")); + // 第二次迭代后会出现 from 比 to 大的情况,原本代码是强行交换,但是回导致无法去除前后缀 + assertEquals("", CharSequenceUtil.stripAll("a", "a", "a")); + + // 前缀后缀有重叠,优先去掉前缀 + assertEquals("a", CharSequenceUtil.stripAll("aba", "ab", "ba")); + assertEquals("a", CharSequenceUtil.stripAll("abababa", "ab", "ba")); + } }