Exclude slash from encoding, when calling getURL() on S3 Resource (#353)

Co-authored-by: Guillaume Rosauro <guillaume.rosauro@pmu.fr>

Author: willome

spring-cloud-aws-s3-parent/spring-cloud-aws-s3/src/main/java/io/awspring/cloud/s3/S3Resource.java

@@ -23,6 +23,9 @@
 import java.net.URLEncoder;
 import java.nio.charset.StandardCharsets;
 import java.time.Instant;
+import java.util.ArrayList;
+import java.util.List;
+
 import org.springframework.core.io.AbstractResource;
 import org.springframework.core.io.WritableResource;
 import org.springframework.lang.Nullable;
@@ -76,7 +79,11 @@ public S3Resource(Location location, S3Client s3Client, S3OutputStreamProvider s
 
 	@Override
 	public URL getURL() throws IOException {
-		String encodedObjectName = URLEncoder.encode(location.getObject(), StandardCharsets.UTF_8.toString());
+		List<String> splits = new ArrayList<>();
+		for (String split : location.getObject().split("/")) {
+			splits.add(URLEncoder.encode(split, StandardCharsets.UTF_8.toString()));
+		}
+		String encodedObjectName = String.join("/", splits);
 		return new URL("https", location.getBucket() + ".s3.amazonaws.com", "/" + encodedObjectName);
 	}
 

spring-cloud-aws-s3-parent/spring-cloud-aws-s3/src/test/java/io/awspring/cloud/s3/S3ResourceIntegrationTests.java

@@ -129,9 +129,9 @@ void returnsResourceUrl() throws IOException {
 	void returnsEncodedResourceUrlAndUri() throws IOException, URISyntaxException {
 		S3Resource resource = s3Resource("s3://first-bucket/some/[objectName]");
 		assertThat(resource.getURL().toString())
-				.isEqualTo("https://first-bucket.s3.amazonaws.com/some%2F%5BobjectName%5D");
+				.isEqualTo("https://first-bucket.s3.amazonaws.com/some/%5BobjectName%5D");
 		assertThat(resource.getURI())
-				.isEqualTo(new URI("https://first-bucket.s3.amazonaws.com/some%2F%5BobjectName%5D"));
+				.isEqualTo(new URI("https://first-bucket.s3.amazonaws.com/some/%5BobjectName%5D"));
 	}
 
 	@Test