package com.nmt.hrp.pms.action.pmsreport;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintStream;


public class ChangeCVSRoot {

    public static void changeCVSRoot(String path) throws IOException {
        File root = new File(path);
        long time = System.currentTimeMillis();
        if (root.isDirectory()) {
            visit(root);
        } else {
            System.out.println("input path is not a directory : "+path);
        }
        System.out.println("finish time : "+((System.currentTimeMillis() - time) / 1000)+" second");
        
    }
   
    private static void visit(File parent) throws IOException {
        String[] list = parent.list();
        String fromRoot = ":pserver:grissom_liu@59.188.107.35:/usr/sourceforge/var/cvsroot";
        String toRoot = ":pserver:grissom_liu@192.168.11.105:/usr/sourceforge/var/cvsroot";
       
        for(int i = 0; i < list.length; i++) {
            File file = new File(parent, list[i]);
           
            if (file.isDirectory()) {
                visit(file);
            } else if (file.getName().equals("Root") && 
                       parent.getName().equals("CVS")) {
                FileInputStream fis = new FileInputStream(file);
                InputStreamReader isr = new InputStreamReader(fis);
                BufferedReader br = new BufferedReader(isr);
               
                String content = br.readLine();
                //System.out.println("content : "+content);
                if (content.equals(fromRoot)) {
                    patchFile(file, toRoot);
                }
            }
        }
       
    }
   
    private static void patchFile(File file, String content) throws FileNotFoundException {
        System.out.println("patch file :"+file);
        FileOutputStream fos = new FileOutputStream(file);
        PrintStream ps = new PrintStream(fos);
        ps.println(content);
    }
   
    /**
     * @param args
     * @throws IOException
     */
    public static void main(String[] args) throws IOException {
        changeCVSRoot("//192.168.0.111/d/hrp/hrp-pms");
    }

}