Brutt/404

## 404
<!doctype html>
<html lang="en">
<head>
    <title>404</title>
</head>
<body>
<h1>404 - Page not found!!!</h1>
</body>
</html>

## HttpServer
import java.io.*;
import java.net.ServerSocket;
import java.net.Socket;

public class HttpServer {
    private String dir;
    private int port;
    private static final String PAGE_NOT_FOUND = "/404.html";

    public void setWebappDir(String dir) {
        this.dir = dir;
    }

    public void setPort(int port){
        this.port = port;
    }

    public void start() {
        try {
            ServerSocket serverSocket = new ServerSocket(port);
            while (true) {
                Socket socket = serverSocket.accept();

                BufferedReader socketBufferedReader = new BufferedReader(
                        new InputStreamReader(socket.getInputStream()));

                String message = socketBufferedReader.readLine();
                String page = null;
                if (!message.isEmpty()) {
                    page = message.split(" ")[1];
                }

                BufferedWriter socketBufferedWriter = new BufferedWriter(new OutputStreamWriter(socket.getOutputStream()));

                String response = "HTTP/1.1 200 OK\n";
                String type = page.substring(page.indexOf(".")+1);
                if(type.equals("jpg")){
                    response += "Content-type: image/jpg\n";
                }

                response += "\n";
                if (!page.isEmpty()) {
                    response += getFile(page);
                }

                socketBufferedWriter.write(response);
                socketBufferedWriter.close();
            }
        }
        catch(Exception e){
            e.printStackTrace();
        }

    }

    private String getFile(String filename) {
        String s;
        StringBuilder sb = new StringBuilder();
        try(BufferedReader br = new BufferedReader(new FileReader(dir + filename)))
        {
            while((s = br.readLine())!=null){
                sb.append(s);
            }
        }
        catch(IOException ex){
            System.out.println(ex.getMessage());
            return getFile(PAGE_NOT_FOUND);
        }

        return sb.toString();
    }
}

## HttpServerTest
import org.junit.Test;

public class HttpServerTest {
    //@Test
    public void test() {
        HttpServer httpServer = new HttpServer();
        httpServer.setPort(3000);
        httpServer.setWebappDir("resources/webapp");
        httpServer.start();
    }

    public static void main(String[] args) {
        HttpServerTest httpServerTest = new HttpServerTest();
        httpServerTest.test();
    }
}
	<!doctype html>
	<html lang="en">
	<head>
	<title>404</title>
	</head>
	<body>
	<h1>404 - Page not found!!!</h1>
	</body>
	</html>
	import java.io.*;
	import java.net.ServerSocket;
	import java.net.Socket;

	public class HttpServer {
	private String dir;
	private int port;
	private static final String PAGE_NOT_FOUND = "/404.html";

	public void setWebappDir(String dir) {
	this.dir = dir;
	}

	public void setPort(int port){
	this.port = port;
	}

	public void start() {
	try {
	ServerSocket serverSocket = new ServerSocket(port);
	while (true) {
	Socket socket = serverSocket.accept();

	BufferedReader socketBufferedReader = new BufferedReader(
	new InputStreamReader(socket.getInputStream()));

	String message = socketBufferedReader.readLine();
	String page = null;
	if (!message.isEmpty()) {
	page = message.split(" ")[1];
	}

	BufferedWriter socketBufferedWriter = new BufferedWriter(new OutputStreamWriter(socket.getOutputStream()));

	String response = "HTTP/1.1 200 OK\n";
	String type = page.substring(page.indexOf(".")+1);
	if(type.equals("jpg")){
	response += "Content-type: image/jpg\n";
	}

	response += "\n";
	if (!page.isEmpty()) {
	response += getFile(page);
	}

	socketBufferedWriter.write(response);
	socketBufferedWriter.close();
	}
	}
	catch(Exception e){
	e.printStackTrace();
	}

	}

	private String getFile(String filename) {
	String s;
	StringBuilder sb = new StringBuilder();
	try(BufferedReader br = new BufferedReader(new FileReader(dir + filename)))
	{
	while((s = br.readLine())!=null){
	sb.append(s);
	}
	}
	catch(IOException ex){
	System.out.println(ex.getMessage());
	return getFile(PAGE_NOT_FOUND);
	}

	return sb.toString();
	}
	}
	import org.junit.Test;

	public class HttpServerTest {
	//@Test
	public void test() {
	HttpServer httpServer = new HttpServer();
	httpServer.setPort(3000);
	httpServer.setWebappDir("resources/webapp");
	httpServer.start();
	}

	public static void main(String[] args) {
	HttpServerTest httpServerTest = new HttpServerTest();
	httpServerTest.test();
	}
	}