jodd-bean/src/main/java/jodd/typeconverter/Converter.java
public Byte toByte(final Object value, final Byte defaultValue) {
		final Byte result = toByte(value);
		if (result == null) {
			return defaultValue;
		}
		return result;
	}
public Byte toByte(final Object value, final Byte defaultValue) {
		final Byte result = toByte(value);
		if (result == null) {
			return defaultValue;
		}
		return result;
	}
Converts value to <code>Byte</code>. Returns default value
when conversion result is <code>null</code>