introduce paramCannotBeSplitIntoHashAndUuid variable

Author: cmangeat

core/src/main/java/org/fao/geonet/security/GrantViewMdAuthorityFilter.java

@@ -86,7 +86,8 @@ public void doFilter(ServletRequest servletRequest, ServletResponse servletRespo
             return;
         }
         String hashParam = servletRequest.getParameter("hash");
-        if (hashParam == null || hashParam.length() < AnonymousAccessLink.getRandomHashLength() + 1) {
+        boolean paramCannotBeSplitIntoHashAndUuid = hashParam.length() < AnonymousAccessLink.getRandomHashLength() + 1;
+        if (hashParam == null || paramCannotBeSplitIntoHashAndUuid) {
             filterChain.doFilter(servletRequest, servletResponse);
             return;
         }