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sergnechaev/Server.java

Created February 7, 2020 01:37
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Java HTTP server to log request details
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Server.java
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.net.InetSocketAddress;
import java.util.stream.Collectors;
import com.sun.net.httpserver.HttpExchange;
import com.sun.net.httpserver.HttpHandler;
import com.sun.net.httpserver.HttpServer;
public class Server {
public static void main(String[] args) throws Exception {
HttpServer server = HttpServer.create(new InetSocketAddress(80), 0);
server.createContext("/", new MyHandler());
server.setExecutor(null); // creates a default executor
server.start();
}
static class MyHandler implements HttpHandler {
@Override
public void handle(HttpExchange t) throws IOException {
System.out.println("----------------------------------");
System.out.println(t.getRequestURI());
System.out.println(t.getRequestMethod());
if (t.getRequestHeaders() != null && false == t.getRequestHeaders().isEmpty()) {
var headers = t.getRequestHeaders();
for (var h : headers.keySet()) {
System.out.println(h + "= " + headers.get(h));
}
}
System.out.println("----------------------------------");
if (t.getRequestBody() != null) {
String result = new BufferedReader(new InputStreamReader(t.getRequestBody())).lines().collect(Collectors.joining("\n"));
System.out.println(result);
}
System.out.println("----------------------------------");
System.out.println();
System.out.println();
String response = "ok";
t.sendResponseHeaders(200, response.length());
OutputStream os = t.getResponseBody();
os.write(response.getBytes());
os.close();
}
}
}
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