code: public boolean containsCategory(String category) {
  		if (this.categories == null || this.categories.isEmpty()) {
  			return false;
  		}
  
  		for (String cat : categories) {
  			if (category.compareToIgnoreCase(cat) == 0) {
  				return true;
  			}
  		}
  
  		return false;
  	}
docs: Check if the category is in the {@link #categories} supported by the
  service
  
  @param category
  @return