/*
 * Copyright (C) 2025-2026  Tim Zimmermann <tim@aglais.org>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package org.aglais.zms.api.core.gson;

import com.google.gson.JsonDeserializationContext;
import com.google.gson.JsonDeserializer;
import com.google.gson.JsonElement;
import com.google.gson.JsonParseException;
import org.aglais.zms.db.core.model.ByteArrayBlob;

import java.lang.reflect.Type;
import java.sql.Blob;
import java.util.Base64;

/**
 * Class for deserializing a {@link Blob} from json
 */
public class JsonBlobDeserializer implements JsonDeserializer<Blob> {
    @Override
    public Blob deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context) throws JsonParseException {
        if (json.isJsonNull()) return null;
        return new ByteArrayBlob(Base64.getDecoder().decode(json.getAsString()));
    }
}
