package net.sourceforge.fenixedu.presentationTier.renderers.converters;

import net.sourceforge.fenixedu.domain.Teacher;

import org.apache.commons.lang.StringUtils;

import pt.ist.fenixWebFramework.renderers.components.converters.Converter;

public class TeacherNumberConverter extends Converter {

    @Override
    public Object convert(Class type, Object value) {

	String numberText = ((String) value).trim();

	if (numberText.length() == 0 || !StringUtils.isNumeric(numberText)) {
	    return null;
	}

	return Teacher.readByNumber(Integer.valueOf(numberText));
    }

}