Misc (Azure#170)

* Support data plan in azure token credentials

* [Fix Azure/azure-sdk-for-java#1520] check null response body on error

* Fix logging response

.gitignore

@@ -21,3 +21,4 @@ hs_err_pid*
 # ide
 .idea
 *.iml
+.DS_Store

client-runtime/src/main/java/com/microsoft/rest/ServiceResponseBuilder.java

@@ -114,8 +114,10 @@ public ServiceResponse<T> build(Response<ResponseBody> response) throws IOExcept
             return new ServiceResponse<>(null, response);
         } else {
             try {
-                String responseContent = responseBody.string();
-                responseBody = ResponseBody.create(responseBody.contentType(), responseContent);
+                String responseContent = "";
+                if (responseBody != null) {
+                    responseContent = responseBody.source().buffer().clone().readUtf8();
+                }
                 throw exceptionType.getConstructor(String.class, Response.class, (Class<?>) responseTypes.get(0))
                         .newInstance("Status code " + statusCode + ", " + responseContent, response, buildBody(statusCode, responseBody));
             } catch (InstantiationException | IllegalAccessException | InvocationTargetException | NoSuchMethodException e) {
@@ -207,8 +209,7 @@ else if (type == InputStream.class) {
         }
         // Deserialize
         else {
-            String responseContent = responseBody.string();
-            responseBody.close();
+            String responseContent = responseBody.source().buffer().clone().readUtf8();
             if (responseContent.length() <= 0) {
                 return null;
             }

client-runtime/src/main/java/com/microsoft/rest/interceptors/LoggingInterceptor.java

@@ -129,7 +129,7 @@ public Response intercept(Chain chain) throws IOException {
         // log headers
         if (logLevel == LogLevel.HEADERS || logLevel == LogLevel.BODY_AND_HEADERS) {
             for (String header : response.headers().names()) {
-                log(logger, String.format("%s: %s", header, Joiner.on(", ").join(request.headers(header))));
+                log(logger, String.format("%s: %s", header, Joiner.on(", ").join(response.headers(header))));
             }
         }
 

client-runtime/src/main/java/com/microsoft/rest/serializer/JacksonAdapter.java

@@ -139,6 +139,7 @@ public <T> T deserialize(String value, final Type type) throws IOException {
      */
     private static ObjectMapper initializeObjectMapper(ObjectMapper mapper) {
         mapper.configure(SerializationFeature.WRITE_DATES_AS_TIMESTAMPS, false)
+                .configure(SerializationFeature.WRITE_EMPTY_JSON_ARRAYS, true)
                 .configure(DeserializationFeature.ACCEPT_EMPTY_STRING_AS_NULL_OBJECT, true)
                 .configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false)
                 .configure(DeserializationFeature.ACCEPT_SINGLE_VALUE_AS_ARRAY, true)