Support for getFilename() in ModuleResource

See gh-28507

Author: jhoeller

spring-core/src/main/java/org/springframework/core/io/ModuleResource.java

@@ -92,6 +92,12 @@ public Resource createRelative(String relativePath) {
 		return new ModuleResource(this.module, pathToUse);
 	}
 
+	@Override
+	@Nullable
+	public String getFilename() {
+		return StringUtils.getFilename(this.path);
+	}
+
 	@Override
 	public String getDescription() {
 		return "module resource [" + this.path + "]" +

spring-core/src/test/java/org/springframework/core/io/ModuleResourceTests.java

@@ -40,6 +40,7 @@ void existingResource() throws IOException {
 		assertThat(mr.isReadable()).isTrue();
 		assertThat(mr.isOpen()).isFalse();
 		assertThat(mr.isFile()).isFalse();
+		assertThat(mr.getFilename()).isEqualTo("Introspector.class");
 		assertThat(mr.getDescription()).contains(mr.getModule().getName());
 		assertThat(mr.getDescription()).contains(mr.getPath());
 
@@ -55,6 +56,7 @@ void nonExistingResource() {
 		assertThat(mr.isReadable()).isFalse();
 		assertThat(mr.isOpen()).isFalse();
 		assertThat(mr.isFile()).isFalse();
+		assertThat(mr.getFilename()).isEqualTo("Introspecter.class");
 		assertThat(mr.getDescription()).contains(mr.getModule().getName());
 		assertThat(mr.getDescription()).contains(mr.getPath());