package cc.glsn.v15;

import java.io.File;
import java.io.IOException;
import java.text.SimpleDateFormat;
import java.util.Date;

public class FileDateImport
{

    /**
     * @param args
     * @throws IOException 
     */
    public static void main(String[] args) throws IOException
    {
        if (args.length < 2)
        {
            System.out.println("Syntax: <srcdir> <dstdir>");
            return;
        }
        new FileDateImport(args[0],args[1]);

    }
    
    public FileDateImport(String srcDir, String dstDir) throws IOException
    {
        File f_src=new File(srcDir);
        SimpleDateFormat sdf=new SimpleDateFormat("yyyy-MM-dd");
        
        for(File f : f_src.listFiles())
        {
            Date d=new Date(f.lastModified());
            
            String newDstDir=dstDir + "/" + sdf.format(d);
            
            File newDir=new File(newDstDir);
            newDir.mkdir();
            if (!newDir.exists())
            {
                throw new IOException("Unable to create dir: " + newDstDir);                
            }
            
            
            File f2=new File(dstDir +"/" + sdf.format(d) + "/" + f.getName());
            System.out.println("Moving " + f + " to " + f2);            
            f.renameTo(f2);
            
            
            
        }
        
    }

}