static private String makeCachePath(String fileLocation) {
    Escaper urlPathEscaper = UrlEscapers.urlPathSegmentEscaper();

    fileLocation = fileLocation.replace('\\', '/');  // LOOK - use better normalization code  eg Spring StringUtils
    String cachePath = urlPathEscaper.escape(fileLocation);

    return root + cachePath;
  }
static private String makeCachePath(String fileLocation) {
    Escaper urlPathEscaper = UrlEscapers.urlPathSegmentEscaper();

    fileLocation = fileLocation.replace('\\', '/');  
    String cachePath = urlPathEscaper.escape(fileLocation);

    return root + cachePath;
  }
static private String makeCachePath ( String fileLocation ) { Escaper urlPathEscaper = UrlEscapers . urlPathSegmentEscaper ( ) ; fileLocation = fileLocation . replace ( ' ' , ' ' ) ; // LOOK - use better normalization code  eg Spring StringUtils
 String cachePath = urlPathEscaper . escape ( fileLocation ) ; return root + cachePath ; }
Make the cache filename

@param fileLocation normal file location
@return cache filename
Make the cache filename