Created the SimpleAutoResponder class

src/main/java/de/gnmyt/autoresponder/SimpleAutoResponder.java

@@ -0,0 +1,48 @@
+package de.gnmyt.autoresponder;
+
+import com.sun.net.httpserver.HttpServer;
+import de.gnmyt.autoresponder.exceptions.ResponderException;
+
+import java.io.IOException;
+import java.net.InetSocketAddress;
+
+public class SimpleAutoResponder {
+
+    private HttpServer httpServer;
+
+    private int port = 8025;
+
+    /**
+     * Gets the port of the webserver
+     *
+     * @return the port of the webserver
+     */
+    public int getPort() {
+        return port;
+    }
+
+    /**
+     * Updates the port of the webserver
+     *
+     * @param port The new port you want to set
+     * @return the current {@link SimpleAutoResponder} instance
+     */
+    public SimpleAutoResponder setPort(int port) {
+        this.port = port;
+        return this;
+    }
+
+    /**
+     * Starts the auto responder server
+     *
+     * @throws ResponderException Throws whenever the webserver could not start
+     */
+    public void start() throws ResponderException {
+        try {
+            httpServer = HttpServer.create(new InetSocketAddress(port), 0);
+        } catch (IOException e) {
+            throw new ResponderException("Could not open a webserver under the port " + port + ": " + e.getMessage());
+        }
+    }
+
+}