added content type to S3 upload request

Author: Jevgeni Koltšin

src/main/java/com/creatubbles/api/request/amazon/UploadS3ImageRequest.java

@@ -32,7 +32,7 @@ public CreatubblesRequest<UploadS3ImageResponse> execute() {
         resetResponse();
         UploadS3ImageResponse response = new UploadS3ImageResponse();
         try {
-            response.success = isSuccessStatusCode(HttpUtil.uploadObject(data, url));
+            response.success = isSuccessStatusCode(HttpUtil.uploadObject(data, url, HttpUtil.IMAGE_JPEG_CONTENT_TYPE));
             setResponseCache(response);
         } catch (IOException e) {
             e.printStackTrace();

src/main/java/com/creatubbles/api/util/HttpUtil.java

@@ -8,11 +8,14 @@
 
 public class HttpUtil {
 
-    public static int uploadObject(byte[] data, String url) throws IOException {
+    public static final String IMAGE_JPEG_CONTENT_TYPE = "image/jpeg";
+
+    public static int uploadObject(byte[] data, String url, String  contentType) throws IOException {
         HttpURLConnection connection = (HttpURLConnection) (new URL(url).openConnection());
         connection.setDoOutput(true);
         connection.setUseCaches(false);
         connection.setRequestMethod(HttpMethod.PUT.name());
+        connection.setRequestProperty("Content-Type", contentType);
         OutputStream out = connection.getOutputStream();
         ByteArrayInputStream in = new ByteArrayInputStream(data);
         byte[] buffer = new byte[4096];