Image encoding and decoding

import java.io.BufferedWriter;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.FileWriter;
import java.io.IOException;

import com.sun.org.apache.xerces.internal.impl.dv.util.Base64;


public class ImagesEncodingDecoding {

 /**
  * @param args
  */
 public static void main(String[] args) {
  
        // file names from folder
  File folder = new File("<path of folder1>"); 
  File[] listOfFiles = folder.listFiles();    
  String name = null;
  for (int i = 0; i < listOfFiles.length; i++) {       
        name=listOfFiles[i].getName(); 
     String path="<path of folder1>"+name;
     File file = new File(path);
     FileInputStream fin =null;
     String encodedStr=null;
  try {
   fin = new FileInputStream(file);
  } catch (FileNotFoundException e) {
   e.printStackTrace();
  }
     byte fileContent[] = new byte[(int)file.length()];
     
     try {
   fin.read(fileContent);
   encodedStr=Base64.encode(fileContent);
   String strFileContent = new String(fileContent);     
   System.out.println("File content : ");    
   System.out.println(strFileContent);
   System.out.println("After encoding content : "); 
   String nametext=name.substring(0,name.indexOf('.'));
   FileWriter f2 = new FileWriter("<path of folder2>"+nametext+".txt");
   try {
    BufferedWriter out = new BufferedWriter(f2);
    try {
     out.write(encodedStr);
     out.close();
     out.flush();
    } catch (IOException e) {
     // TODO Auto-generated catch block
     e.printStackTrace();
    }
   } catch (Exception  e) {
    // TODO Auto-generated catch block
    e.printStackTrace();
   } 
   System.out.println(encodedStr);
  } catch (IOException e) {
   // TODO Auto-generated catch block
   e.printStackTrace();
  }
  
  File f3=new File("<path of folder3>"+name);
  try {
   FileOutputStream out=new FileOutputStream(f3);
   try {
    out.write(Base64.decode(encodedStr));
    out.flush();
   } catch (IOException e) {
    // TODO Auto-generated catch block
    e.printStackTrace();
   }
  } catch (FileNotFoundException e) {
   // TODO Auto-generated catch block
   e.printStackTrace();
  }   
     
 
 }
 }
}