import javax.imageio.ImageIO;
import java.awt.image.BufferedImage;
import java.io.*;
import java.net.ServerSocket;
import java.net.Socket;
import java.util.Date;
import java.util.List;
public class Server extends Thread{
Socket socket;
public static void main (String [] args) {
try {
ServerSocket serverSocket = new ServerSocket(8000);
while (true) {
new Server(serverSocket.accept());
}
}
catch (IOException ex) {System.out.println("IO error!");}
}
Server (Socket socket){
this.socket = socket;
setDaemon(true);
start();
}
String getPath(String request) {
String[] arr = request.split(" ");
//"/home/nikita/IdeaProjects/Web_Platform/src
return "./src/web" + arr[1];
}
public void run (){
String response = "";
try{
InputStream inputStream = socket.getInputStream();
OutputStream outputStream = socket.getOutputStream();
byte [] buf = new byte[1024*1024*5];
int bytes = inputStream.read(buf); // читает байты и передает в buf байты ,а потом возвращает кол-во байтов
String request = new String(buf,0,buf.length);
String path = getPath(request);
File file = new File (path);
System.out.println(request + '\n');
boolean exists = file.exists();
if (exists) {
byte[] data ={};
String content_type = "text/html";
if (path.contains("png")) {
content_type = "image/png";
BufferedImage image = ImageIO.read(file);
ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
ImageIO.write(image, "png", byteArrayOutputStream);
data = byteArrayOutputStream.toByteArray();
}
else {
FileInputStream input = new FileInputStream(file);
data = input.readAllBytes();
}
response += "HTTP/1.1 200 OK\r\n";
response+= "Date: " + new Date() + "\r\n";
response +="Content-Type: " + content_type + "\r\n";
response +="Connection: close\r\n";
response +="Server: Server\r\n";
response +="Pragma: no-cache\r\n\r\n";
response+= new String(data);
//System.out.println(response);
//outputStream.write(response.getBytes());
}
else {
response += "HTTP/1.1 404 Not Found\n";
response+= "Date: " + new Date() + "\n";
response +="Content-Type: text/plain\n";
response +="Connection: close\n";
response +="Server: Server\n";
response +="Pragma: no-cache\n\n";
response += "File " + path + " Not Found!\n\nIts not normal\nS";
response+="end";
}
outputStream.write(response.getBytes());
outputStream.flush();
outputStream.close();
inputStream.close();
socket.close();
return;
}
catch (IOException ex){
System.out.println("Error: " + ex.toString());
}
}
}
byte[] responseBytes = response.getBytes();
byte[] finalResponse = new byte[responseBytes.length + data.length];
System.arraycopy(responseBytes,0,finalResponse, 0,responseBytes.length);
System.arraycopy(data,0,finalResponse, responseBytes.length, data.length);
outputStream.write(finalResponse);