DirChecker example

import java.io.*;

public class DirChecker{
    private String id;
    public DirChecker(String id){
        this.id = id;
    }

    private String getTimeStamp(){
        return String.valueOf(java.util.Calendar.getInstance().getTime().getTime());
    }

    public void writeFile(String value){
        String PATH = "/Users/aaron/Development/scraps/java/";
        String directoryName = PATH.concat(this.getClassName());
        String fileName = id + getTimeStamp() + ".txt";

        File directory = new File(String.valueOf(directoryName));
        if (! directory.exists()){
            directory.mkdir();
        }

        File file = new File(directoryName + "/" + fileName);
        try{
        FileWriter fw = new FileWriter(file.getAbsoluteFile());
        BufferedWriter bw = new BufferedWriter(fw);
        bw.write(value);
        bw.close();
        }
        catch (IOException e){
            e.printStackTrace();
            System.exit(-1);
        }

    }

    public String getClassName(){
        return this.getClass().getName();
    }

    public static void main(String [] a){
        DirChecker test = new DirChecker("myid");
        test.writeFile("Happy Days.");
    }
}