code: protected int getRequestTypeFromString(String requestType) {
          if ("GET".equals(requestType)) {
              return REQUEST_TYPE_GET;
          }
          if ("POST".equals(requestType)) {
              return REQUEST_TYPE_POST;
          }
          if ("PUT".equals(requestType)) {
              return REQUEST_TYPE_PUT;
          }
          if ("DELETE".equals(requestType)) {
              return REQUEST_TYPE_DELETE;
          }
          return REQUEST_TYPE_ALL;
      }
docs: Convert a request type string to value
  
  @param requestType String value of request type GET/POST/PUT/DELETE
  @return Matching REQUEST_TYPE. Defaults to ALL