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优化StrUtil

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neko 2020-09-30 18:18:58 +08:00 committed by GitHub
parent 9e2e9ee230
commit a62f2cd34a
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1 changed files with 14 additions and 7 deletions
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21
hutool-core/src/main/java/cn/hutool/core/util/StrUtil.java
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@ -667,6 +667,9 @@ public class StrUtil {
* @return 是否开始 * @return 是否开始
*/ */
public static boolean startWith(CharSequence str, char c) { public static boolean startWith(CharSequence str, char c) {
if(true == isEmpty(str)) {
return false;
}
return c == str.charAt(0); return c == str.charAt(0);
} }
@ -779,6 +782,9 @@ public class StrUtil {
* @return 是否结尾 * @return 是否结尾
*/ */
public static boolean endWith(CharSequence str, char c) { public static boolean endWith(CharSequence str, char c) {
if(true == isEmpty(str)) {
return false;
}
return c == str.charAt(str.length() - 1); return c == str.charAt(str.length() - 1);
} }
@ -1073,7 +1079,8 @@ public class StrUtil {
* @return 移除后的字符串 * @return 移除后的字符串
*/ */
public static String removeAll(CharSequence str, CharSequence strToRemove) { public static String removeAll(CharSequence str, CharSequence strToRemove) {
if (isEmpty(str)) { // strToRemove如果为空， 也不用继续后面的逻辑
if (isEmpty(str) || isEmpty(strToRemove)) {
return str(str); return str(str);
} }
return str.toString().replace(strToRemove, EMPTY); return str.toString().replace(strToRemove, EMPTY);
@ -2125,7 +2132,6 @@ public class StrUtil {
} }
final List<String> result = new LinkedList<>(); final List<String> result = new LinkedList<>();
final String[] split = split(str, prefix);
for (String fragment : split(str, prefix)) { for (String fragment : split(str, prefix)) {
int suffixIndex = fragment.indexOf(suffix.toString()); int suffixIndex = fragment.indexOf(suffix.toString());
if (suffixIndex > 0) { if (suffixIndex > 0) {
@ -2205,10 +2211,10 @@ public class StrUtil {
if (null == str) { if (null == str) {
return null; return null;
} }
if (count <= 0) { if (count <= 0 || str.length() == 0) {
return EMPTY; return EMPTY;
} }
if (count == 1 || str.length() == 0) { if (count == 1) {
return str.toString(); return str.toString();
} }
@ -3997,11 +4003,12 @@ public class StrUtil {
return false; return false;
} }
int len = value.length(); int len = value.length();
boolean isAllMatch = true;
for (int i = 0; i < len; i++) { for (int i = 0; i < len; i++) {
isAllMatch &= matcher.match(value.charAt(i)); if(false == matcher.match(value.charAt(i))) {
return false;
}
} }
return isAllMatch; return true;
} }
/** /**