/* * Copyright 2017-2019 the original author or authors. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package org.salespointframework.support; import java.util.Locale; import javax.money.MonetaryAmount; import javax.money.format.MonetaryAmountFormat; import javax.money.format.MonetaryFormats; import javax.persistence.AttributeConverter; import javax.persistence.Converter; import org.javamoney.moneta.Money; /** * JPA {@link AttributeConverter} to serialize {@link MonetaryAmount} instances into a {@link String}. Auto-applied to * all entity properties of type {@link MonetaryAmount}. * * @author Oliver Gierke */ @Converter(autoApply = true) class MonetaryAmountAttributeConverter implements AttributeConverter<MonetaryAmount, String> { private static final MonetaryAmountFormat FORMAT = MonetaryFormats.getAmountFormat(Locale.ROOT); /* * (non-Javadoc) * @see javax.persistence.AttributeConverter#convertToDatabaseColumn(java.lang.Object) */ @Override public String convertToDatabaseColumn(MonetaryAmount amount) { return amount == null ? null : amount.toString(); } /* * (non-Javadoc) * @see javax.persistence.AttributeConverter#convertToEntityAttribute(java.lang.Object) */ @Override public MonetaryAmount convertToEntityAttribute(String source) { if (source == null) { return null; } try { return Money.parse(source); } catch (RuntimeException e) { try { return Money.parse(source, FORMAT); } catch (RuntimeException inner) { // Propagate the original exception in case the fallback fails throw e; } } } }