/**
* Abiquo community edition
* cloud management application for hybrid clouds
* Copyright (C) 2008-2010 - Abiquo Holdings S.L.
*
* This application is free software; you can redistribute it and/or
* modify it under the terms of the GNU LESSER GENERAL PUBLIC
* LICENSE as published by the Free Software Foundation under
* version 3 of the License
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* LESSER GENERAL PUBLIC LICENSE v.3 for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
package com.abiquo.model.validation;
import static java.lang.annotation.ElementType.FIELD;
import static java.lang.annotation.ElementType.METHOD;
import static java.lang.annotation.ElementType.PARAMETER;
import java.lang.annotation.Documented;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
import java.math.BigDecimal;
import javax.validation.Constraint;
import javax.validation.ConstraintValidator;
import javax.validation.ConstraintValidatorContext;
import javax.validation.Payload;
@Documented
@Constraint(validatedBy = BigDec.Validator.class)
@Target({METHOD, FIELD, PARAMETER})
@Retention(RetentionPolicy.RUNTIME)
public @interface BigDec
{
boolean required() default true;
String message() default "should be 15 digits maximum";
Class< ? >[] groups() default {};
Class< ? extends Payload>[] payload() default {};
static class Validator implements ConstraintValidator<BigDec, BigDecimal>
{
BigDec bigDec;
@Override
public void initialize(final BigDec constraintAnnotation)
{
this.bigDec = constraintAnnotation;
}
@Override
public boolean isValid(final BigDecimal value, final ConstraintValidatorContext context)
{
if (!bigDec.required() && value == null)
{
return true;
}
boolean valid = false;
if (value != null)
{
valid = value.toString().length() <= 15;
if (!valid)
{
context.disableDefaultConstraintViolation();
context.buildConstraintViolationWithTemplate(bigDec.message())
.addConstraintViolation();
}
}
return valid;
}
}
}