use springboot managed resttemplate (#724)

Adopt Spring Boot managed RestTemplate so distributed tracing (traceId) is automatically propagated through all REST calls

Signed-off-by: Abdelsalem <[email protected]>
Co-authored-by: benrejebmoh <[email protected]>
Co-authored-by: Jon Harper <[email protected]>

Author: 3 people

src/main/java/org/gridsuite/modification/server/service/FilterService.java

@@ -43,10 +43,12 @@ public class FilterService implements IFilterService {
 
     private static String filterServerBaseUri;
 
-    private final RestTemplate restTemplate = new RestTemplate();
+    private final RestTemplate restTemplate;
 
-    public FilterService(@Value("${gridsuite.services.filter-server.base-uri:http://filter-server/}") String filterServerBaseUri) {
+    public FilterService(@Value("${gridsuite.services.filter-server.base-uri:http://filter-server/}") String filterServerBaseUri,
+                         RestTemplate restTemplate) {
         setFilterServerBaseUri(filterServerBaseUri);
+        this.restTemplate = restTemplate;
     }
 
     public static void setFilterServerBaseUri(String filterServerBaseUri) {

src/main/java/org/gridsuite/modification/server/service/ReportService.java

@@ -36,16 +36,18 @@ public class ReportService {
 
     private String reportServerBaseUri;
 
-    private RestTemplate reportServerRest = new RestTemplate();
+    private RestTemplate reportServerRest;
 
     private final ObjectMapper objectMapper;
 
     public ReportService(@Value("${gridsuite.services.report-server.base-uri:http://report-server}") String reportServerURI,
-                         ObjectMapper objectMapper) {
+                         ObjectMapper objectMapper,
+                         RestTemplate restTemplate) {
         this.reportServerBaseUri = reportServerURI;
         this.objectMapper = objectMapper;
         this.objectMapper.registerModule(new ReportNodeJsonModule());
         this.objectMapper.setInjectableValues(new InjectableValues.Std().addValue(ReportNodeDeserializer.DICTIONARY_VALUE_ID, null));
+        this.reportServerRest = restTemplate;
     }
 
     public void setReportServerBaseUri(String reportServerBaseUri) {