question: public byte [ ] loadFileFromCache ( final String urlString ) { final String fileName = ResourceLoader . getNormalizedFileName ( urlString ) ; final File file = getCacheFile ( fileName ) ; if ( file . exists ( ) ) { final byte [ ] bytes = DSSUtils . toByteArray ( file ) ; return bytes ; } return null ; }
target:  Allows to load the file for a given file name from the cache folder.