serve html

Main.java

@@ -4,6 +4,9 @@ import java.io.InputStreamReader;
 import java.io.OutputStream;
 import java.net.ServerSocket;
 import java.net.Socket;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
 import java.util.ArrayList;
 import java.util.List;
 
@@ -33,6 +36,7 @@ public class Main {
 		}
 		String request = requestBuilder.toString();
 		// System.out.println(request);
+		// PARSE THE REQUEST
 		String[] requestLines = request.split("\r\n");
 		String[] requestLine = requestLines[0].split(" ");
 		String method = requestLine[0];
@@ -52,14 +56,41 @@ public class Main {
 				method, path, version, host, headers.toString());
 		System.out.println(accessLog);
 
+		Path filepath = getFilePath(path);
+		if (Files.exists(filepath)) {
+			// file exist
+			String contentType = guessContentType(filepath);
+			sendResponse(client, "200 OK", contentType, Files.readAllBytes(filepath));
+		} else {
+			// 404
+			byte[] notFoundContent = "<h1>404 Something went wrong</h1>".getBytes();
+			sendResponse(client, "404 Not Found", "text/html", notFoundContent);
+		}
+
+	}
+
+	private static void sendResponse(Socket client, String status, String contentType, byte[] content)
+			throws IOException {
 		OutputStream clientOutput = client.getOutputStream();
 		clientOutput.write("HTTP/1.1 200 OK\r\n".getBytes());
 		clientOutput.write("ContentType: text/html\r\n".getBytes());
 		clientOutput.write("\r\n".getBytes());
-		clientOutput.write("<b>Hurray!!!1!</b>".getBytes());
+		clientOutput.write(content);
+		// These (windows) newlines indicate that the response is over
 		clientOutput.write("\r\n\r\n".getBytes());
 		clientOutput.flush();
 		client.close();
 	}
 
+	private static String guessContentType(Path filepath) throws IOException {
+		return Files.probeContentType(filepath);
+	}
+
+	private static Path getFilePath(String path) {
+		if ("/".equals(path)) {
+			path = "/index.html";
+		}
+		return Paths.get("/home/andrzej/dev/java-http", path);
+	}
+
 }