core/src/main/java/org/commonjava/indy/core/content/PathMaskChecker.java
public static boolean checkListingMask( final ArtifactStore store, final String path )
    {
        Set<String> maskPatterns = store.getPathMaskPatterns();

        logger.trace( "Checking mask in: {}", store.getKey() );
        logger.trace( "Mask patterns in {}: {}", store.getName(), maskPatterns );

        if (maskPatterns == null || maskPatterns.isEmpty())
        {
            logger.trace( "Checking mask in: {}, - NO PATTERNS", store.getName() );
            return true;
        }

        for ( String pattern : maskPatterns )
        {
            if ( isRegexPattern( pattern ) )
            {
                // if there is a regexp pattern we cannot check presence of directory listing, because we would have to
                // check only the beginning of the regexp and that's impossible, so we have to assume that the path is
                // present
                return true;
            }
        }

        for ( String pattern : maskPatterns )
        {
            if ( path.startsWith( pattern ) || pattern.startsWith( path ) )
            {
                logger.trace( "Checking mask in: {}, pattern: {} - MATCH", store.getName(), pattern );
                return true;
            }
        }

        logger.debug( "Listing for path {} not enabled by path mask {} of repo {}", path, maskPatterns, store.getKey() );

        return false;
    }
public static boolean checkListingMask( final ArtifactStore store, final String path )
    {
        Set<String> maskPatterns = store.getPathMaskPatterns();

        logger.trace( "Checking mask in: {}", store.getKey() );
        logger.trace( "Mask patterns in {}: {}", store.getName(), maskPatterns );

        if (maskPatterns == null || maskPatterns.isEmpty())
        {
            logger.trace( "Checking mask in: {}, - NO PATTERNS", store.getName() );
            return true;
        }

        for ( String pattern : maskPatterns )
        {
            if ( isRegexPattern( pattern ) )
            {
                // if there is a regexp pattern we cannot check presence of directory listing, because we would have to
                // check only the beginning of the regexp and that's impossible, so we have to assume that the path is
                // present
                return true;
            }
        }

        for ( String pattern : maskPatterns )
        {
            if ( path.startsWith( pattern ) || pattern.startsWith( path ) )
            {
                logger.trace( "Checking mask in: {}, pattern: {} - MATCH", store.getName(), pattern );
                return true;
            }
        }

        logger.debug( "Listing for path {} not enabled by path mask {} of repo {}", path, maskPatterns, store.getKey() );

        return false;
    }
path mask checking