--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/goodjava/webserver/Server.java	Tue Sep 17 01:35:01 2019 -0400
@@ -0,0 +1,78 @@
+package goodjava.webserver;
+
+import java.io.IOException;
+import java.net.Socket;
+import java.net.ServerSocket;
+import java.net.InetAddress;
+import java.net.UnknownHostException;
+import java.util.concurrent.ThreadPoolExecutor;
+import java.util.concurrent.Executors;
+import java.util.concurrent.TimeUnit;
+import goodjava.logging.Logger;
+import goodjava.logging.LoggerFactory;
+
+
+public class Server {
+	private static final Logger logger = LoggerFactory.getLogger(Server.class);
+
+	public final int port;
+	public final Handler handler;
+	public static final ThreadPoolExecutor threadPool = (ThreadPoolExecutor)Executors.newCachedThreadPool();
+
+	public Server(int port,Handler handler) {
+		this.port = port;
+		this.handler = handler;
+	}
+
+	protected ServerSocket newServerSocket() throws IOException {
+		return new ServerSocket(port);
+	}
+
+	public synchronized void start() throws IOException {
+		final ServerSocket ss = newServerSocket();
+		threadPool.execute(new Runnable(){public void run() {
+			try {
+				while(!threadPool.isShutdown()) {
+					final Socket socket = ss.accept();
+					threadPool.execute(new Runnable(){public void run() {
+						Connection.handle(Server.this,socket);
+					}});
+				}
+			} catch(IOException e) {
+				logger.error("",e);
+			}
+		}});
+		logger.info("started server on port "+port);
+	}
+
+	public synchronized boolean stop(long timeoutSeconds) {
+		try {
+			threadPool.shutdownNow();
+			boolean stopped = threadPool.awaitTermination(timeoutSeconds,TimeUnit.SECONDS);
+			if(stopped)
+				logger.info("stopped server on port "+port);
+			else
+				logger.warn("couldn't stop server on port "+port);
+			return stopped;
+		} catch(InterruptedException e) {
+			throw new RuntimeException(e);
+		}
+	}
+
+	public static class ForAddress extends Server {
+		private final InetAddress addr;
+
+		public ForAddress(InetAddress addr,int port,Handler handler) {
+			super(port,handler);
+			this.addr = addr;
+		}
+
+		public ForAddress(String addrName,int port,Handler handler) throws UnknownHostException {
+			this(InetAddress.getByName(addrName),port,handler);
+		}
+
+		protected ServerSocket newServerSocket() throws IOException {
+			return new ServerSocket(port,0,addr);
+		}
+	}
+}