FileTypeAdapter.java

/*
 * ATLauncher - https://github.com/ATLauncher/ATLauncher
 * Copyright (C) 2013 ATLauncher
 *
 * 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, 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 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 <http://www.gnu.org/licenses/>.
 */
package com.atlauncher.data.mojang;

import com.google.gson.TypeAdapter;
import com.google.gson.stream.JsonReader;
import com.google.gson.stream.JsonWriter;

import java.io.File;
import java.io.IOException;

public class FileTypeAdapter extends TypeAdapter<File> {

    @Override
    public File read(JsonReader json) throws IOException {
        if (json.hasNext()) {
            String value = json.nextString();
            return value == null ? null : new File(value);
        }
        return null;
    }

    @Override
    public void write(JsonWriter json, File value) throws IOException {
        if (value == null) {
            json.nullValue();
        } else {
            json.value(value.getAbsolutePath());
        }
    }
}