/*
 This file is part of Subsonic.

 Subsonic 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.

 Subsonic 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 Subsonic.  If not, see <http://www.gnu.org/licenses/>.

 Copyright 2009 (C) Sindre Mehus
 */
package org.moire.ultrasonic.service.parser;

import org.moire.ultrasonic.domain.Version;

import java.io.BufferedReader;
import java.io.Reader;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

/**
 * @author Sindre Mehus
 */
public class VersionParser
{

	public static Version parse(Reader reader) throws Exception
	{

		BufferedReader bufferedReader = new BufferedReader(reader);
		Pattern pattern = Pattern.compile("SUBSONIC_ANDROID_VERSION_BEGIN(.*)SUBSONIC_ANDROID_VERSION_END");
		String line = bufferedReader.readLine();
		while (line != null)
		{
			Matcher finalMatcher = pattern.matcher(line);
			if (finalMatcher.find())
			{
				return new Version(finalMatcher.group(1));
			}
			line = bufferedReader.readLine();
		}
		return null;
	}
}