public Csn()

in ldap/model/src/main/java/org/apache/directory/api/ldap/model/csn/Csn.java [123:272]
119 lines of code
14 McCabe index (conditional complexity)

    public Csn( String value )
    {
        sdf.setTimeZone( UTC_TIME_ZONE );
        
        if ( Strings.isEmpty( value ) )
        {
            String message = I18n.err( I18n.ERR_13015_NULL_OR_EMPTY_CSN );
            LOG.error( message );
            throw new InvalidCSNException( message );
        }

        if ( value.length() != 40 )
        {
            String message = I18n.err( I18n.ERR_13016_INCORRECT_CSN_LENGTH );
            LOG.error( message );
            throw new InvalidCSNException( message );
        }

        // Get the Timestamp
        int sepTS = value.indexOf( '#' );

        if ( sepTS < 0 )
        {
            String message = I18n.err( I18n.ERR_13017_CANT_FIND_SHARP_IN_CSN );
            LOG.error( message );
            throw new InvalidCSNException( message );
        }

        String timestampStr = value.substring( 0, sepTS ).trim();

        if ( timestampStr.length() != 22 )
        {
            String message = I18n.err( I18n.ERR_13018_TIMESTAMP_NOT_LONG_ENOUGH );
            LOG.error( message );
            throw new InvalidCSNException( message );
        }

        // Let's transform the Timestamp by removing the mulliseconds and microseconds
        String realTimestamp = timestampStr.substring( 0, 14 );

        long tempTimestamp = 0L;

        synchronized ( sdf )
        {
            try
            {
                tempTimestamp = sdf.parse( realTimestamp ).getTime();
            }
            catch ( ParseException pe )
            {
                String message = I18n.err( I18n.ERR_13019_CANNOT_PARSE_TIMESTAMP, timestampStr );
                LOG.error( message );
                throw new InvalidCSNException( message, pe );
            }
        }

        int millis = 0;

        // And add the milliseconds and microseconds now
        try
        {
            millis = Integer.parseInt( timestampStr.substring( 15, 21 ) );
        }
        catch ( NumberFormatException nfe )
        {
            String message = I18n.err( I18n.ERR_13020_INVALID_MICROSECOND );
            LOG.error( message );
            throw new InvalidCSNException( message, nfe );
        }

        tempTimestamp += ( millis / 1000 );
        timestamp = tempTimestamp;

        // Get the changeCount. It should be an hex number prefixed with '0x'
        int sepCC = value.indexOf( '#', sepTS + 1 );

        if ( sepCC < 0 )
        {
            String message = I18n.err( I18n.ERR_13014_DN_ATTR_FLAG_INVALID, value );
            LOG.error( message );
            throw new InvalidCSNException( message );
        }

        String changeCountStr = value.substring( sepTS + 1, sepCC ).trim();

        try
        {
            changeCount = Integer.parseInt( changeCountStr, 16 );
        }
        catch ( NumberFormatException nfe )
        {
            String message = I18n.err( I18n.ERR_13021_INVALID_CHANGE_COUNT, changeCountStr );
            LOG.error( message );
            throw new InvalidCSNException( message, nfe );
        }

        // Get the replicaID
        int sepRI = value.indexOf( '#', sepCC + 1 );

        if ( sepRI < 0 )
        {
            String message = I18n.err( I18n.ERR_13022_MISSING_SHARP_IN_CSN, value );
            LOG.error( message );
            throw new InvalidCSNException( message );
        }

        String replicaIdStr = value.substring( sepCC + 1, sepRI ).trim();

        if ( Strings.isEmpty( replicaIdStr ) )
        {
            String message = I18n.err( I18n.ERR_13023_REPLICA_ID_NULL );
            LOG.error( message );
            throw new InvalidCSNException( message );
        }

        try
        {
            replicaId = Integer.parseInt( replicaIdStr, 16 );
        }
        catch ( NumberFormatException nfe )
        {
            String message = I18n.err( I18n.ERR_13024_INVALID_REPLICA_ID, replicaIdStr );
            LOG.error( message );
            throw new InvalidCSNException( message, nfe );
        }

        // Get the modification number
        if ( sepCC == value.length() )
        {
            String message = I18n.err( I18n.ERR_13025_NO_OPERATION_NUMBER );
            LOG.error( message );
            throw new InvalidCSNException( message );
        }

        String operationNumberStr = value.substring( sepRI + 1 ).trim();

        try
        {
            operationNumber = Integer.parseInt( operationNumberStr, 16 );
        }
        catch ( NumberFormatException nfe )
        {
            String message = I18n.err( I18n.ERR_13026_INVALID_OPERATION_NUMBER, operationNumberStr );
            LOG.error( message );
            throw new InvalidCSNException( message, nfe );
        }

        csnStr = value;
        bytes = Strings.getBytesUtf8( csnStr );
    }