P2P File Transfer using Java

MyServer.java

import java.io.BufferedInputStream; import java.io.File; import java.io.FileInputStream; import java.io.IOException; import java.io.OutputStream; import java.net.ServerSocket; import java.net.Socket; public class MyServer { static int port = 5000; public static void main(String[] args) throws IOException { ServerSocket serverSocket = new ServerSocket(port); Socket socket = serverSocket.accept(); System.out.println("Accepted connection : " + socket); File transferFile = new File("Document.doc"); byte[] bytearray = new byte[(int) transferFile.length()]; FileInputStream fin = new FileInputStream(transferFile); BufferedInputStream bin = new BufferedInputStream(fin); bin.read(bytearray, 0, bytearray.length); OutputStream os = socket.getOutputStream(); System.out.println("Sending Files..."); os.write(bytearray, 0, bytearray.length); os.flush(); socket.close(); System.out.println("File transfer complete"); } }

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MyClient.java

import java.io.BufferedOutputStream; import java.io.FileOutputStream; import java.io.IOException; import java.io.InputStream; import java.net.Socket; public class MyClient { public static void main(String[] args) throws IOException { int bytesRead; int currentTot = 0; Socket socket = new Socket("127.0.0.1", 5000); byte[] bytearray = new byte[65000]; InputStream is = socket.getInputStream(); FileOutputStream fos = new FileOutputStream("copy.doc"); BufferedOutputStream bos = new BufferedOutputStream(fos); bytesRead = is.read(bytearray, 0, bytearray.length); currentTot = bytesRead; do { bytesRead = is.read(bytearray, currentTot, (bytearray.length - currentTot)); if (bytesRead >= 0) currentTot += bytesRead; } while (bytesRead > -1); bos.write(bytearray, 0, currentTot); bos.flush(); bos.close(); socket.close(); } }

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Happy Exploring!