log.java

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package common;

import java.util.*;
import java.io.*;

public class Log {
	private static BufferedWriter out = null;
	private static File file = null;

	public static void writeLog(String key, String value) {
		Calendar c = Calendar.getInstance();
		try {
			file =	new File(c.get(Calendar.YEAR) + "_" + c.get(Calendar.MONTH) + "_" + c.get(Calendar.DATE));
			out = new BufferedWriter(new FileWriter(file, true));
			out.write(key+","+value);
			out.newLine();
			out.flush();
			out.close();
		}
		catch (IOException ioe) {
			ioe.printStackTrace();
		}
	}
}