Java tutorial
/* * 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()); } } }