search and replace in java

hello , i need a project to search files in directories inside my drive c , and search files for a word to replace it with others , any help please !?

package com.cp;

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

public class Main {

	/**
	 * @param args
	 *            the command line arguments
	 */
	public static void main(String[] args) {
		// TODO code application logic here
		String path = "C:/repositories";
		File folder = new File(path);
		System.out.println("Reading files under the folder "
				+ folder.getAbsolutePath());

		if (folder.isDirectory()) {

			String directory[] = folder.list();
			for (String directoryName : directory) {
				System.out.printf("%s\n", directoryName);
			}

		}
		if (folder.isFile()) {
			int i = 1;
			String file[] = folder.list();
			for (String filename : file) {
				System.out.printf("%s\n", filename);
				// file[i].replaceAll("Fleo0012", "Fleo0013");
				// i++;
			}
		}
		File f = new File("C:\\repositories\\w");
		FileInputStream fs = null;
		InputStreamReader in = null;
		BufferedReader br = null;

		StringBuffer sb = new StringBuffer();

		String textinLine;

		try {
			fs = new FileInputStream(f);
			in = new InputStreamReader(fs);
			br = new BufferedReader(in);

			while (true) {
				textinLine = br.readLine();
				if (textinLine == null)
					break;
				sb.append(textinLine);
			}
			String textToEdit1 = "Fleo0012";
			int cnt1 = sb.indexOf(textToEdit1);
			sb.replace(cnt1, cnt1 + textToEdit1.length(), "Fleo0013");

			fs.close();
			in.close();
			br.close();

		} catch (FileNotFoundException e) {
			e.printStackTrace();
		} catch (IOException e) {
			e.printStackTrace();
		}

		try {
			FileWriter fstream = new FileWriter(f);
			BufferedWriter outobj = new BufferedWriter(fstream);
			outobj.write(sb.toString());
			outobj.close();

		} catch (Exception e) {
			System.err.println("Error: " + e.getMessage());
		}
	}
}

[torsten]code from own answer - formatted[/torsten]

Tags: Java