io.inugami.commons.transformer.OptionalTransformer Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of inugami_commons Show documentation

There is a newer version: 3.3.5

/* --------------------------------------------------------------------
 *  Inugami
 * --------------------------------------------------------------------
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, version 3.
 *
 * This program 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
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see .
 */
package io.inugami.commons.transformer;

import flexjson.transformer.AbstractTransformer;
import io.inugami.api.models.JsonBuilder;

import java.util.Optional;

/**
 * OptionalTransformer
 *
 * @author patrick_guillerm
 * @since 7 févr. 2018
 */
public class OptionalTransformer extends AbstractTransformer {

    // =========================================================================
    // METHODS
    // =========================================================================
    @Override
    public void transform(final Object object) {
        Object realObject = null;

        if (object instanceof Optional) {
            realObject = ((Optional) object).orElse(null);
        }

        if (realObject == null) {
            getContext().write(JsonBuilder.VALUE_NULL);
        } else {
            getContext().transform(realObject);
        }
    }

}