/*
* Hibernate Validator, declare and validate application constraints
*
* License: Apache License, Version 2.0
* See the license.txt file in the root directory or <http://www.apache.org/licenses/LICENSE-2.0>.
*/
package org.hibernate.validator.internal.constraintvalidators.bv.money;
import java.util.ArrayList;
import java.util.List;
import javax.money.CurrencyUnit;
import javax.money.Monetary;
import javax.money.MonetaryAmount;
import javax.validation.ConstraintValidator;
import javax.validation.ConstraintValidatorContext;
import org.hibernate.validator.constraints.Currency;
import org.hibernate.validator.internal.util.CollectionHelper;
import org.hibernate.validator.internal.util.stereotypes.Immutable;
/**
* Check that the validated {@link MonetaryAmount} is in the right {@link CurrencyUnit}.
*
* @author Guillaume Smet
*/
public class CurrencyValidatorForMonetaryAmount implements ConstraintValidator<Currency, MonetaryAmount> {
@Immutable
private List<CurrencyUnit> acceptedCurrencies;
@Override
public void initialize(Currency currency) {
List<CurrencyUnit> acceptedCurrencies = new ArrayList<CurrencyUnit>();
for ( String currencyCode : currency.value() ) {
acceptedCurrencies.add( Monetary.getCurrency( currencyCode ) );
}
this.acceptedCurrencies = CollectionHelper.toImmutableList( acceptedCurrencies );
}
@Override
public boolean isValid(MonetaryAmount value, ConstraintValidatorContext context) {
// null values are valid
if ( value == null ) {
return true;
}
return acceptedCurrencies.contains( value.getCurrency() );
}
}