code: private static AnnotationInfo getAnnotationInfoFromClass(ClassInfo classInfo, String attribute) {
          AnnotationInfo annotationInfo = classInfo.getAnnotation(JaxWsConstants.WEB_SERVICE_ANNOTATION_NAME);
          if (annotationInfo == null) {
              annotationInfo = classInfo.getAnnotation(JaxWsConstants.WEB_SERVICE_PROVIDER_ANNOTATION_NAME);
          }
          if (annotationInfo == null) {
              if (TraceComponent.isAnyTracingEnabled() && tc.isDebugEnabled()) {
                  Tr.debug(tc, "No @WebService or @WebServiceProvider annotation is found on the class " + classInfo + ", will return null or \"\" for " + attribute);
              }
          }
          return annotationInfo;
      }
docs: Get the annotation info from current class info,
  First get @webservice, second get from @webserviceprovider
  
  @param classInfo
  @param attribute
  @return