        ValidationContextUrlMapping[] mappings = new ValidationContextUrlMapping[mappingLines.length];
        for (int i=0; i<mappings.length; i++) {
            String mappingLine = mappingLines[i].trim();
            int index = mappingLine.lastIndexOf(MAPPING_OPERATOR);
            String pattern = mappingLine.substring(0, index);
            String tokensString = mappingLine.substring(index+1, mappingLine.length());