Merge pull request #54 from blackducksoftware/mc_sonar_cloud_cleanup

Sonar code smell cleanup

Author: ChomickiM

src/main/java/com/synopsys/integration/jira/common/rest/service/JiraApiClient.java

@@ -33,6 +33,8 @@
 
 public class JiraApiClient {
     // TODO may want to replace all references to gson with jsonTransformer
+    private static final String CONTENT_TYPE_HEADER = "Content-Type";
+    private static final String MEDIA_TYPE = "application/json";
     private final Gson gson;
     private final JiraHttpClient httpClient;
     private final IntJsonTransformer jsonTransformer;
@@ -151,21 +153,21 @@ private JiraRequest.Builder createRequestBuilder(HttpUrl url, HttpMethod httpMet
 
     private JiraRequest createPostRequest(HttpUrl url, String bodyContent) {
         return createRequestBuilder(url, HttpMethod.POST)
-            .addHeader("Content-Type", "application/json")
+            .addHeader(CONTENT_TYPE_HEADER, MEDIA_TYPE)
             .bodyContent(bodyContent)
             .build();
     }
 
     private JiraRequest createPutRequest(HttpUrl url, String bodyContent) {
         return createRequestBuilder(url, HttpMethod.PUT)
-            .addHeader("Content-Type", "application/json")
+            .addHeader(CONTENT_TYPE_HEADER, MEDIA_TYPE)
             .bodyContent(bodyContent)
             .build();
     }
 
     private JiraRequest createDeleteRequest(HttpUrl url) {
         return createRequestBuilder(url, HttpMethod.DELETE)
-            .addHeader("Content-Type", "application/json")
+            .addHeader(CONTENT_TYPE_HEADER, MEDIA_TYPE)
             .build();
     }