java send an image over a socket
public class Send {
public static void main(String[] args) throws Exception {
Socket socket = new Socket("localhost", 13085);
OutputStream outputStream = socket.getOutputStream();
BufferedImage image = ImageIO.read(new File("C:\\Users\\Jakub\\Pictures\\test.jpg"));
ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
ImageIO.write(image, "jpg", byteArrayOutputStream);
byte[] size = ByteBuffer.allocate(4).putInt(byteArrayOutputStream.size()).array();
outputStream.write(size);
outputStream.write(byteArrayOutputStream.toByteArray());
outputStream.flush();
System.out.println("Flushed: " + System.currentTimeMillis());
Thread.sleep(120000);
System.out.println("Closing: " + System.currentTimeMillis());
socket.close();
}
}
public class Receive {
public static void main(String[] args) throws Exception {
ServerSocket serverSocket = new ServerSocket(13085);
Socket socket = serverSocket.accept();
InputStream inputStream = socket.getInputStream();
System.out.println("Reading: " + System.currentTimeMillis());
byte[] sizeAr = new byte[4];
inputStream.read(sizeAr);
int size = ByteBuffer.wrap(sizeAr).asIntBuffer().get();
byte[] imageAr = new byte[size];
inputStream.read(imageAr);
BufferedImage image = ImageIO.read(new ByteArrayInputStream(imageAr));
System.out.println("Received " + image.getHeight() + "x" + image.getWidth() + ": " + System.currentTimeMillis());
ImageIO.write(image, "jpg", new File("C:\\Users\\Jakub\\Pictures\\test2.jpg"));
serverSocket.close();
}
}