package net.sourceforge.fenixedu.applicationTier.Servico.teacher;

import java.util.List;

import net.sourceforge.fenixedu.applicationTier.FenixService;
import net.sourceforge.fenixedu.applicationTier.Servico.exceptions.FenixServiceException;
import net.sourceforge.fenixedu.commons.CollectionUtils;
import net.sourceforge.fenixedu.domain.Teacher;

import org.apache.commons.collections.Predicate;

import pt.ist.fenixWebFramework.services.Service;

public class ReadDomainTeacherByNumber extends FenixService {

    @Service
    public static Teacher run(final Integer teacherNumber) throws FenixServiceException {
	List<Teacher> teachers = rootDomainObject.getTeachers();

	Teacher teacher = (Teacher) CollectionUtils.find(teachers, new Predicate() {

	    public boolean evaluate(Object object) {
		Teacher tempTeacher = (Teacher) object;
		return tempTeacher.getTeacherNumber().equals(teacherNumber);
	    }
	});

	if (teacher == null) {
	    throw new FenixServiceException("errors.invalid.teacher-number");
	}
	return teacher;
    }

}