com.tsukaby.bean_validation_scala.MaxValidatorForOption.scala Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of bean-validation-scala_2.11 Show documentation

bean-validation-scala

The newest version!

package com.tsukaby.bean_validation_scala

import javax.validation.constraints.Max
import javax.validation.{ConstraintValidator, ConstraintValidatorContext}

import org.hibernate.validator.internal.constraintvalidators.bv.{MaxValidatorForNumber, MaxValidatorForCharSequence}

/**
 * Check that the wrapped character sequence (e.g. Option[String]) and the number validated represents a number,
 * and has a value less than or equal to the maximum value specified.
 */
class MaxValidatorForOption extends ConstraintValidator[Max, Option[_]] {
  private var constraintAnnotation: Max = null

  override def initialize(constraintAnnotation: Max): Unit = {
    this.constraintAnnotation = constraintAnnotation
  }

  override def isValid(value: Option[_], context: ConstraintValidatorContext): Boolean = {

    value match {
      case Some(x: CharSequence) =>
        val v = new MaxValidatorForCharSequence
        v.initialize(constraintAnnotation)
        v.isValid(x, context)
      case Some(x: Number) =>
        val v = new MaxValidatorForNumber
        v.initialize(constraintAnnotation)
        v.isValid(x, context)
      case None =>
        true
      case Some(_) =>
        throw new IllegalStateException("oops.")
    }
  }
}