Minor change to ConnectionHandler to generate and set connection ID, and LoggingFilter to use the logger, ensuring connection ID is included in the logs

Author: Tyreviel

src/main/java/org/juv25d/ConnectionHandler.java

@@ -25,6 +25,8 @@ public ConnectionHandler(Socket socket, HttpParser httpParser, Logger logger, Pi
 
     @Override
     public void run() {
+        String connectionId = java.util.UUID.randomUUID().toString().substring(0, 8);
+        org.juv25d.logging.LogContext.setConnectionId(connectionId);
         try (socket) {
             var in = socket.getInputStream();
             var out = socket.getOutputStream();
@@ -56,6 +58,8 @@ public void run() {
 
         } catch (IOException e) {
             logger.log(Level.SEVERE, "Error while handling request", e);
+        } finally {
+            org.juv25d.logging.LogContext.clear();
         }
     }
 }

src/main/java/org/juv25d/filter/LoggingFilter.java

@@ -2,14 +2,17 @@
 
 import org.juv25d.http.HttpRequest;
 import org.juv25d.http.HttpResponse;
+import org.juv25d.logging.ServerLogging;
 
 import java.io.IOException;
+import java.util.logging.Logger;
 
 public class LoggingFilter implements Filter {
+    private static final Logger logger = ServerLogging.getLogger();
 
     @Override
     public void doFilter(HttpRequest req, HttpResponse res, FilterChain chain) throws IOException {
-        System.out.println(req.method() + " " + req.path());
+        logger.info(req.method() + " " + req.path());
         chain.doFilter(req, res);
     }
 }