Java Image File Send to Receiver Sample

package co.common.test;

import java.io.File;

import java.io.FileInputStream;

import java.io.FileOutputStream;

import java.io.IOException;

import java.util.ArrayList;

import java.util.HashMap;

import java.util.List;

public class testMain {

public static void main(String[] args) throws IOException {

// TODO Auto-generated method stub

    Object obSend = null;

String file = "C:/Users/KwonSang/Downloads/";

    String Name = "sikumi.png";

    FileInputStream fis = new FileInputStream(file+"/"+Name);

    HashMap<String, String> ha = new HashMap<String,String>();

   

   

    ha.put("ID","1");

    ha.put("PASSWORD","pass");

    ha.put("file",file);

    ha.put("Name",Name);

   

    StringBuffer sb = new StringBuffer();

    //---------------------------------------------------

    // Send Data => Object

    //---------------------------------------------------

    int data = 0;

      while((data=fis.read())!=-1) {

  sb.append(data+",");

      }

         ha.put("IMGDATA", sb.toString());

         

    obSend = ha; 

    sb=null;

    fis.close();

    //sb.setLength(0);

    //ha.clear();

   

    //---------------------------------------------------

    // Receiver Data(Object) => File

    //---------------------------------------------------

    HashMap<String, String> rha = (HashMap<String, String>)obSend;

   

    String rid = rha.get("ID");

    String rpassword = rha.get("PASSWORD");

    String rfile = rha.get("file");

    String rName = "copy_"+rha.get("Name");

   

    FileOutputStream outputStream =

                new FileOutputStream(new File(rfile+"/"+rName));

   

    String[] array = rha.get("IMGDATA").split(",");

        Integer[] intarray=new Integer[array.length];

        int i=0;

        for(String str:array){

            intarray[i]=Integer.parseInt(str);//Exception in this line

            i++;

        }

        for(int idata : intarray){

        outputStream.write(idata);

        }

outputStream.close();

}

}