src/org/tiefaces/components/websheet/configuration/ConfigCommand.java
protected final int calcLength(final String lengthStr) {
		try {
			return Integer.parseInt(lengthStr);
		} catch (Exception ex) {
			LOG.log(Level.FINE,
					"canot calcLength :" + ex.getLocalizedMessage(), ex);
		}
		return 0;
	}
protected final int calcLength(final String lengthStr) {
		try {
			return Integer.parseInt(lengthStr);
		} catch (Exception ex) {
			LOG.log(Level.FINE,
					"canot calcLength :" + ex.getLocalizedMessage(), ex);
		}
		return 0;
	}
convert string to int (length).

@param lengthStr
String.
@return int length.