Add a constructor to S3ProtocolResolver allowing its usage outside of Spring context (#1276)

Author: klach-ocado

spring-cloud-aws-autoconfigure/src/main/java/io/awspring/cloud/autoconfigure/s3/S3AutoConfiguration.java

@@ -34,7 +34,6 @@
 import java.util.Optional;
 import org.springframework.beans.factory.ObjectProvider;
 import org.springframework.boot.autoconfigure.AutoConfiguration;
-import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
 import org.springframework.boot.autoconfigure.condition.*;
 import org.springframework.boot.context.properties.EnableConfigurationProperties;
 import org.springframework.boot.context.properties.PropertyMapper;
@@ -53,7 +52,7 @@
 import software.amazon.encryption.s3.S3EncryptionClient;
 
 /**
- * {@link EnableAutoConfiguration} for {@link S3Client} and {@link S3ProtocolResolver}.
+ * {@link AutoConfiguration} for {@link S3Client} and {@link S3ProtocolResolver}.
  *
  * @author Maciej Walkowiak
  * @author Matej Nedic

spring-cloud-aws-s3/src/main/java/io/awspring/cloud/s3/S3ProtocolResolver.java

@@ -27,6 +27,7 @@
 import org.springframework.core.io.Resource;
 import org.springframework.core.io.ResourceLoader;
 import org.springframework.lang.Nullable;
+import org.springframework.util.Assert;
 import software.amazon.awssdk.services.s3.S3Client;
 
 /**
@@ -54,6 +55,14 @@ public class S3ProtocolResolver implements ProtocolResolver, ResourceLoaderAware
 	public S3ProtocolResolver() {
 	}
 
+	// for direct usages outside of Spring context, when BeanFactory is not available
+	public S3ProtocolResolver(S3Client s3Client, S3OutputStreamProvider s3OutputStreamProvider) {
+		Assert.notNull(s3Client, "s3Client is required");
+		Assert.notNull(s3OutputStreamProvider, "s3OutputStreamProvider is required");
+		this.s3Client = s3Client;
+		this.s3OutputStreamProvider = s3OutputStreamProvider;
+	}
+
 	// only for testing
 	S3ProtocolResolver(@Nullable S3Client s3Client) {
 		this.s3Client = s3Client;

spring-cloud-aws-s3/src/test/java/io/awspring/cloud/s3/S3ProtocolResolverTests.java

@@ -36,7 +36,7 @@
 import software.amazon.awssdk.services.s3.S3Client;
 
 /**
- * Tests for {@link S3ProtocolResolverTests}.
+ * Tests for {@link S3ProtocolResolver}.
  *
  * @author Maciej Walkowiak
  */