debop4k.data.orm.jpa.converters.LocaleAsString.java Source code

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Here is the source code for debop4k.data.orm.jpa.converters.LocaleAsString.java

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/*
 * Copyright (c) 2016. Sunghyouk Bae <sunghyouk.bae@gmail.com>
 * 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 debop4k.data.orm.jpa.converters;

import debop4k.core.utils.Stringx;
import org.apache.commons.lang3.LocaleUtils;

import javax.persistence.AttributeConverter;
import javax.persistence.Converter;
import java.util.Locale;

/**
 * {@link Locale}  DB? ?     JPA 2.1 Converter .
 *
 * @author sunghyouk.bae@gmail.com
 */
@Converter
public class LocaleAsString implements AttributeConverter<Locale, String> {
    /**
     * ? {@link Locale} ?? Database String  .
     *
     * @param attribute ? {@link Locale} ?
     * @return Database String 
     */
    @Override
    public String convertToDatabaseColumn(Locale attribute) {
        return (attribute != null) ? attribute.toString() : null;
    }

    /**
     * Database String ? {@link Locale}  .
     *
     * @param dbData ? 
     * @return {@link Locale} ?
     */
    @Override
    public Locale convertToEntityAttribute(String dbData) {
        return Stringx.isNotEmpty(dbData) ? LocaleUtils.toLocale(dbData) : null;
    }
}