FileAdapter.java

/*
 * This file is part of FTB Launcher.
 *
 * Copyright © 2012-2016, FTB Launcher Contributors <https://github.com/Slowpoke101/FTBLaunch/>
 * FTB Launcher is 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 net.feed_the_beast.launcher.json;

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

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

public class FileAdapter 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());
		}
	}
}