Re: [jclouds/jclouds] Remove Expect header for requests with empty body (#1120)

[Chaithanya Ganta <no...@github.com>]

ChaithanyaGK commented on this pull request.



> @@ -357,6 +357,22 @@ public GeneratedHttpRequest apply(Invocation invocation) {
       if (request.getPayload() != null) {
          contentMetadataCodec.fromHeaders(request.getPayload().getContentMetadata(), headers);
       }
+
+      boolean isEmptyBody = false;
+      if ("POST".equals(requestMethod) || "PUT".equals(requestMethod)) {
+         if (request.getPayload() != null) {
+            Long length = request.getPayload().getContentMetadata().getContentLength();
+            if (length != null && length == 0) {
+               isEmptyBody = true;
+            }
+         } else {
+            isEmptyBody = true;
+         }
+      }
+      if (isEmptyBody) {
+         request = request.toBuilder().removeHeader("Expect").build();
+      }

@nacx Refactored the code to a separate method and added a unit test case to check the functionality. 

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