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Support empty file names in UriUtils::extractFileExtension

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Closes gh-27639
This commit is contained in:
Arjen Poutsma
2021-11-19 12:37:00 +01:00
parent c37d6c30a0
commit 722ab25f27
2 changed files with 2 additions and 1 deletions
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spring-web/src/main/java/org/springframework/web/util/UriUtils.java
+1 -1
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@@ -407,7 +407,7 @@ public abstract class UriUtils {
int paramIndex = path.indexOf(';', begin);
end = (paramIndex != -1 && paramIndex < end ? paramIndex : end);
int extIndex = path.lastIndexOf('.', end);
if (extIndex != -1 && extIndex > begin) {
if (extIndex != -1 && extIndex >= begin) {
return path.substring(extIndex + 1, end);
}
return null;
spring-web/src/test/java/org/springframework/web/util/UriUtilsTests.java
+1
View File
@@ -133,6 +133,7 @@ public class UriUtilsTests {
assertThat(UriUtils.extractFileExtension("/products;q=11/view.html?param=/path/a.do")).isEqualTo("html");
assertThat(UriUtils.extractFileExtension("/products;q=11/view.html;r=22?param=/path/a.do")).isEqualTo("html");
assertThat(UriUtils.extractFileExtension("/products;q=11/view.html;r=22;s=33?param=/path/a.do")).isEqualTo("html");
assertThat(UriUtils.extractFileExtension("/products/.html")).isEqualTo("html");
}
}