Done ticket GEPAFINBE-8

src/main/java/net/gepafin/tendermanagement/service/AmazonS3Service.java

@@ -0,0 +1,20 @@
+package net.gepafin.tendermanagement.service;
+
+
+import org.springframework.stereotype.Component;
+import org.springframework.web.multipart.MultipartFile;
+
+import java.io.IOException;
+import java.io.InputStream;
+
+@Component
+public interface AmazonS3Service {
+
+
+    public String upload(String fileName,
+            MultipartFile file) throws IOException;
+
+    public Boolean delete(String bucketName ,String fileName);
+
+    InputStream getFile(String filePath) throws IOException;
+}