How to transfer file from server to client

Question

I am making a server printer where all the system can take print out from the Printer installed on the server
i am not able to send file from the client to the Server. I am Attaching the code Please Help me it is my college project.
Server.java*
import java.io.*;
import java.lang.*;
import java.net.*;
import java.util.*;
import java.io.File;
class Server
     static final int PORT     = 26548; //Server Listening port
     static String path;
     public static void main(String args[])
          System.out.println("Starting Server");
          receive();
     public static void receive()
          while ( true )
               try
                    //Create a socket
                    ServerSocket srvr = new ServerSocket(PORT);
                    Socket skt = srvr.accept();
                    String clientname= skt.getInetAddress().getHostAddress();
                    int clientport=skt.getPort();
                    long time = System.currentTimeMillis();
                    path= "C:\\Ankit Gupta\\Programs\\"+clientname+"\\"+time+" test.pdf";
                    System.out.println("File Recieved from : "+clientname+" : "+clientport);
                    //HttpServletRequest req;
                    //String remoteHost = req.getRemoteHost();
                    //String adr = getRemoteUser();
                    FileOutputStream fos = new FileOutputStream(path);
                    BufferedOutputStream out = new BufferedOutputStream(fos);
                    BufferedInputStream in = new BufferedInputStream( skt.getInputStream() );
                    //Read, and write the file to the socket
                    int i;
                    System.out.println("Receiving data...");
                    while ((i = in.read()) != -1)
                         out.write(i);
                    out.flush();
                    in.close();
                    out.close();
                    skt.close();
                    srvr.close();
                    System.out.println("Transfer complete.");
                    printfile();
               catch(Exception e)
                    System.out.print("Error! It didn't work! " + e + "\n");
               try
                    Thread.sleep(1000);
               catch (InterruptedException ie)
                    System.err.println("Interrupted");
          } //end infinite while loop
     public static void printfile()
          delete();
     public static void delete()
          try
               Thread.sleep(5000);
          catch (InterruptedException ie)
               System.err.println("Interrupted");
          System.out.println("Deleting file");
          File f = new File(path);
     // Make sure the file or directory exists and isn't write protected
          if (!f.exists())
               throw new IllegalArgumentException("Delete: no such file or directory: " + path);
     if (!f.canWrite())
               throw new IllegalArgumentException("Delete: write protected: "+ path);
          // If it is a directory, make sure it is empty
     if (f.isDirectory())
               String[] files = f.list();
               if (files.length > 0)
               throw new IllegalArgumentException("Delete: directory not empty: " + path);
     // Attempt to delete it
          boolean success = f.delete();
          if (!success)
               throw new IllegalArgumentException("Delete: deletion failed");
Client.java_
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import java.io.*;
import java.util.*;
import java.net.*;
public class Client extends JFrame {
static final int PORT = 26548; //Server Listening Port
static File file;
static final String HOST = "10.35.9.152";//Server Address     
JTextField m_fileNameTF = new JTextField(25);
JFileChooser m_fileChooser = new JFileChooser();
Client() {
m_fileNameTF.setEditable(false);
     JButton openButton = new JButton("Open");
     openButton.addActionListener(new OpenAction());
     JPanel content = new JPanel();
     content.setLayout(new FlowLayout());
     content.add(openButton);
content.add(m_fileNameTF);
     this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
     this.setContentPane(content);
     this.setSize(400,200);
class OpenAction implements ActionListener {
     public void actionPerformed(ActionEvent ae) {
          int retval = m_fileChooser.showOpenDialog(Client.this);
          if (retval == JFileChooser.APPROVE_OPTION) {
               file = m_fileChooser.getSelectedFile();
          m_fileNameTF.setText(file.getAbsolutePath());
               send(file.getAbsolutePath());
public static void main(String[] args) {
     JFrame window = new Client();
     window.setVisible(true);
     public static boolean send( String filename )
     try
          System.out.println("Connecting to Server");
          Socket skt = new Socket(HOST, PORT);
          //Create a file input stream and a buffered input stream.
          FileInputStream fis = new FileInputStream(filename);
          BufferedInputStream in = new BufferedInputStream(fis);
          BufferedOutputStream out = new BufferedOutputStream( skt.getOutputStream() );
          //Read, and write the file to the socket
          int i;
          System.out.println("Connected to Server");
          System.out.println("Sending data...\n");
          while ((i = in.read()) != -1)
               out.write(i);
               //System.out.println(i);
          System.out.println("Transfer complete.");
          //Close the socket and the file
          out.flush();
          out.close();
          in.close();
          skt.close();
          return true;
     catch( Exception e )
               send(file.getAbsolutePath());
          return false;
}

Answer 1

I am making a server printer where all the system can take print out from the Printer installed on the server
i am not able to send file from the client to the Server. I am Attaching the code Please Help me it is my college project.
Server.java*
import java.io.*;
import java.lang.*;
import java.net.*;
import java.util.*;
import java.io.File;
class Server
     static final int PORT      = 26548; //Server Listening port
     static String path;
     public static void main(String args[])
          System.out.println("Starting Server");
          receive();
     public static void receive()
          while ( true )
               try
                    //Create a socket
                    ServerSocket srvr = new ServerSocket(PORT);
                    Socket skt = srvr.accept();
                    String clientname= skt.getInetAddress().getHostAddress();
                    int clientport=skt.getPort();
                    long time = System.currentTimeMillis();
                    path= "C:\\Ankit Gupta\\Programs\\"+clientname+"\\"+time+" test.pdf";
                    System.out.println("File Recieved from : "+clientname+" : "+clientport);
                    //HttpServletRequest req;
                    //String remoteHost = req.getRemoteHost();
                    //String adr = getRemoteUser();
                    FileOutputStream fos = new FileOutputStream(path);
                    BufferedOutputStream out = new BufferedOutputStream(fos);
                    BufferedInputStream in = new BufferedInputStream( skt.getInputStream() );
                    //Read, and write the file to the socket
                    int i;
                    System.out.println("Receiving data...");
                    while ((i = in.read()) != -1)
                         out.write(i);
                    out.flush();
                    in.close();
                    out.close();
                    skt.close();
                    srvr.close();
                    System.out.println("Transfer complete.");
                    printfile();
               catch(Exception e)
                    System.out.print("Error! It didn't work! " + e + "\n");
               try
                    Thread.sleep(1000);
               catch (InterruptedException ie)
                    System.err.println("Interrupted");
          } //end infinite while loop
     public static void printfile()
          delete();
     public static void delete()
          try
               Thread.sleep(5000);
          catch (InterruptedException ie)
               System.err.println("Interrupted");
          System.out.println("Deleting file");
          File f = new File(path);
         // Make sure the file or directory exists and isn't write protected
          if (!f.exists())
               throw new IllegalArgumentException("Delete: no such file or directory: " + path);
         if (!f.canWrite())
               throw new IllegalArgumentException("Delete: write protected: "+ path);
          // If it is a directory, make sure it is empty
         if (f.isDirectory())
               String[] files = f.list();
               if (files.length > 0)
               throw new IllegalArgumentException("Delete: directory not empty: " + path);
         // Attempt to delete it
          boolean success = f.delete();
          if (!success)
               throw new IllegalArgumentException("Delete: deletion failed");
Client.java_
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import java.io.*;
import java.util.*;
import java.net.*;
public class Client extends JFrame {
static final int PORT = 26548; //Server Listening Port
static File file;
static final String HOST = "10.35.9.152";//Server Address     
JTextField   m_fileNameTF  = new JTextField(25);
JFileChooser m_fileChooser = new JFileChooser();
Client() {
   m_fileNameTF.setEditable(false);
     JButton openButton = new JButton("Open");
     openButton.addActionListener(new OpenAction());
     JPanel content = new JPanel();
     content.setLayout(new FlowLayout());
     content.add(openButton);
  content.add(m_fileNameTF);
     this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
     this.setContentPane(content);
     this.setSize(400,200);
class OpenAction implements ActionListener {
     public void actionPerformed(ActionEvent ae) {
          int retval = m_fileChooser.showOpenDialog(Client.this);
          if (retval == JFileChooser.APPROVE_OPTION) {
               file = m_fileChooser.getSelectedFile();
             m_fileNameTF.setText(file.getAbsolutePath());
               send(file.getAbsolutePath());
public static void main(String[] args) {
     JFrame window = new Client();
     window.setVisible(true);
     public static boolean send( String filename )
     try
          System.out.println("Connecting to Server");
          Socket skt = new Socket(HOST, PORT);
          //Create a file input stream and a buffered input stream.
          FileInputStream fis = new FileInputStream(filename);
          BufferedInputStream in = new BufferedInputStream(fis);
          BufferedOutputStream out = new BufferedOutputStream( skt.getOutputStream() );
          //Read, and write the file to the socket
          int i;
          System.out.println("Connected to Server");
          System.out.println("Sending data...\n");
          while ((i = in.read()) != -1)
               out.write(i);
               //System.out.println(i);
          System.out.println("Transfer complete.");
          //Close the socket and the file
          out.flush();
          out.close();
          in.close();
          skt.close();
          return true;
     catch( Exception e )
               send(file.getAbsolutePath());
          return false;
}