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修复VersionComparator传入空字符串报错问题

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Looly
2024-06-12 00:31:25 +08:00
parent 6ff4309cce
commit 3aa9bdfcfa
4 changed files with 21 additions and 10 deletions
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4
hutool-core/src/main/java/cn/hutool/core/comparator/VersionComparator.java
View File

@@ -57,9 +57,9 @@ public class VersionComparator implements Comparator<String>, Serializable {
}
if (version1 == null && version2 == null) {
return 0;
} else if (version1 == null || "".equals(version1)) {// null或""视为最小版本，排在前
} else if (version1 == null) {// null或""视为最小版本，排在前
return -1;
} else if (version2 == null || "".equals(version2)) {
} else if (version2 == null) {
return 1;
}

8
hutool-core/src/main/java/cn/hutool/core/lang/Version.java
View File

@@ -60,14 +60,16 @@ public class Version implements Comparable<Version>, Serializable {
public Version(final String v) {
Assert.notNull(v, "Null version string");
final int n = v.length();
if (n == 0){
throw new IllegalArgumentException("Empty version string");
}
this.version = v;
this.sequence = new ArrayList<>(4);
this.pre = new ArrayList<>(2);
this.build = new ArrayList<>(2);
if (n == 0){
return;
}
int i = 0;
char c = v.charAt(i);
// 不检查开头字符为数字，字母按照字典顺序的数字对待

14
hutool-core/src/test/java/cn/hutool/core/comparator/VersionComparatorTest.java
View File

@@ -3,9 +3,6 @@ package cn.hutool.core.comparator;
import org.junit.Assert;
import org.junit.Test;
import java.util.Arrays;
import java.util.stream.Collectors;
/**
* 版本比较单元测试
*
@@ -13,6 +10,17 @@ import java.util.stream.Collectors;
*/
public class VersionComparatorTest {
@Test
public void compareEmptyTest() {
int compare = VersionComparator.INSTANCE.compare("", "1.12.1");
Assert.assertTrue(compare < 0);
compare = VersionComparator.INSTANCE.compare("", null);
Assert.assertTrue(compare > 0);
compare = VersionComparator.INSTANCE.compare(null, "");
Assert.assertTrue(compare < 0);
}
@Test
public void versionComparatorTest1() {
int compare = VersionComparator.INSTANCE.compare("1.2.1", "1.12.1");