code: private static I_CmsResourceType getResourceType(CmsResource resource, String createType) {
  
          I_CmsResourceType resType = null;
          if (CmsStringUtil.isNotEmptyOrWhitespaceOnly(createType)) {
              try {
                  resType = OpenCms.getResourceManager().getResourceType(createType);
              } catch (CmsLoaderException e) {
                  LOG.error("Could not read resource type '" + createType + "' for resource creation.", e);
              }
          } else if (resource != null) {
              resType = OpenCms.getResourceManager().getResourceType(resource);
          }
          return resType;
      }
docs: Returns the resource type to create, or <code>null</code> if not available.<p>
  
  @param resource the edit resource
  @param createType the create type parameter
  
  @return the resource type