private String getOSFileName()

in ldif-partition/src/main/java/org/apache/directory/server/core/partition/ldif/LdifPartition.java [808:878]
68 lines of code
53 McCabe index (conditional complexity)

    private String getOSFileName( String fileName )
    {
        StringBuilder sb = new StringBuilder();

        for ( char c : fileName.toCharArray() )
        {
            switch ( c )
            {
                case 0x00:
                case 0x01:
                case 0x02:
                case 0x03:
                case 0x04:
                case 0x05:
                case 0x06:
                case 0x07:
                case 0x08:
                case 0x09:
                case 0x0A:
                case 0x0B:
                case 0x0C:
                case 0x0D:
                case 0x0E:
                case 0x0F:
                case 0x10:
                case 0x11:
                case 0x12:
                case 0x13:
                case 0x14:
                case 0x15:
                case 0x16:
                case 0x17:
                case 0x18:
                case 0x19:
                case 0x1A:
                case 0x1B:
                case 0x1C:
                case 0x1D:
                case 0x1E:
                case 0x1F:
                case 0x7F:
                case ' ': // 0x20
                case '"': // 0x22
                case '%': // 0x25
                case '&': // 0x26
                case '(': // 0x28
                case ')': // 0x29
                case '*': // 0x2A
                case '+': // 0x2B
                case '/': // 0x2F
                case ':': // 0x3A
                case ';': // 0x3B
                case '<': // 0x3C
                case '>': // 0x3E
                case '?': // 0x3F
                case '[': // 0x5B
                case '\\': // 0x5C
                case ']': // 0x5D
                case '|': // 0x7C
                    sb.append( "%" ).append( Strings.dumpHex( ( byte ) ( c >> 4 ) ) )
                        .append( Strings.dumpHex( ( byte ) ( c & 0xF ) ) );
                    break;

                default:
                    sb.append( c );
                    break;
            }
        }

        return Strings.toLowerCaseAscii( sb.toString() );
    }