OSRule.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.versions;

import java.util.regex.Pattern;

public class OSRule
{
	public Action action = Action.ALLOW;
	public OSInfo os;

	public class OSInfo
	{
		private OS name;
		private String version;
	}

	public boolean applies ()
	{
		if (os == null)
		{
			return true;
		}
		if (os.name != null && os.name != OS.getCurrentPlatform())
		{
			return false;
		}
		if (os.version != null)
		{
			try
			{
				if (!Pattern.compile(os.version).matcher(OS.VERSION).matches())
				{
					return false;
				}
			}
			catch (Throwable e)
			{}
		}
		return true;
	}
}