personvalidator.java

Spring2.0宝典

package lee;

import org.springframework.validation.Validator;
import org.springframework.validation.ValidationUtils;
import org.springframework.validation.Errors;

/**
 * @author  yeeku.H.lee [e-mail]
 * @version  1.0
 * <br>Copyright (C), 2005-2008, yeeku.H.Lee
 * <br>This program is protected by copyright laws.
 * <br>Program Name:
 * <br>Date: 
 */

public class PersonValidator implements Validator
{        
    public boolean supports(Class clzz)
    {
        return Person.class.equals(clzz);
    }
        
    public void validate(Object obj, Errors e)
    {
        ValidationUtils.rejectIfEmpty(e, "name", "name.empty");
        Person p = (Person)obj;
        if (p.getAge() < 0)
        {
            e.rejectValue("age", "negativevalue");
        }
        else if (p.getAge() > 110)
        {
            e.rejectValue("age", "tooold");
        }
    }
}