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Define nullability @Contract for quote and getFilename in StringUtils #34896

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Merged
merged 1 commit into from
May 21, 2025
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Define nullability @Contract for quote and getFilename in StringUtils #34896

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2 changes: 2 additions & 0 deletions spring-core/src/main/java/org/springframework/util/StringUtils.java
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Original file line number Diff line number Diff line change
Expand Up @@ -516,6 +516,7 @@ public static String deleteAny(String inString, @Nullable String charsToDelete)
* @return the quoted {@code String} (for example, "'myString'"),
* or {@code null} if the input was {@code null}
*/
@Contract("null -> null; !null -> !null")
public static @Nullable String quote(@Nullable String str) {
return (str != null ? "'" + str + "'" : null);
}
Expand Down Expand Up @@ -618,6 +619,7 @@ private static String changeFirstCharacterCase(String str, boolean capitalize) {
* @param path the file path (may be {@code null})
* @return the extracted filename, or {@code null} if none
*/
@Contract("null -> null; !null -> !null")
public static @Nullable String getFilename(@Nullable String path) {
if (path == null) {
return null;
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