Do terrible code in Java

Have to fix the xml configs

src/android/Webserver.java

@@ -1,21 +1,101 @@
 package org.apache.cordova.plugin;
 
-import org.apache.cordova.api.CordovaPlugin;
-import org.apache.cordova.api.PluginResult;
+import org.apache.cordova.*;
 import org.json.JSONArray;
 import org.json.JSONException;
 import org.json.JSONObject;
 
-/**
- * This class echoes a string called from JavaScript.
- */
+import java.io.IOException;
+import java.util.HashMap;
+
+
 public class Webserver extends CordovaPlugin {
-  @Override
-  public boolean execute(String action, JSONArray args, CallbackContext callbackContext) throws JSONException {
-    if ("start".equals(action)) {
-        callbackContext.success();
-        return true;
+
+    public HashMap<String, Object> responses;
+    public CallbackContext onRequestCallbackContext;
+
+    private NanoHTTPDWebserver nanoHTTPDWebserver;
+
+    @Override
+    public void initialize(CordovaInterface cordova, CordovaWebView webView) {
+        super.initialize(cordova, webView);
+        this.responses = new HashMap<String, Object>();
+    }
+
+    @Override
+    public boolean execute(String action, JSONArray args, CallbackContext callbackContext) throws JSONException {
+        if ("start".equals(action)) {
+            try {
+                this.start(args, callbackContext);
+            } catch (IOException e) {
+                e.printStackTrace();
+            }
+            return true;
+        }
+        else if ("stop".equals(action)) {
+            this.stop(args, callbackContext);
+            return true;
+        }
+        else if ("onRequest".equals(action)) {
+            this.onRequest(args, callbackContext);
+            return true;
+        }
+        else if ("onResponse".equals(action)) {
+            this.onResponse(args, callbackContext);
+            return true;
+        }
+        return false;  // Returning false results in a "MethodNotFound" error.
+    }
+
+    /**
+     * Starts the server
+     * @param args
+     * @param callbackContext
+     */
+    private void start(JSONArray args, CallbackContext callbackContext) throws JSONException, IOException {
+        int port = 8080;
+
+        if (args.length() == 1) {
+            port = args.getInt(0);
+        }
+        this.nanoHTTPDWebserver = new NanoHTTPDWebserver(port, this);
+        this.nanoHTTPDWebserver.start();
+        callbackContext.sendPluginResult(new PluginResult(PluginResult.Status.OK));
+    }
+
+    /**
+     * Stops the server
+     * @param args
+     * @param callbackContext
+     */
+    private void stop(JSONArray args, CallbackContext callbackContext) throws JSONException {
+        if (this.nanoHTTPDWebserver != null) {
+            this.nanoHTTPDWebserver.stop();
+        }
+        callbackContext.sendPluginResult(new PluginResult(PluginResult.Status.OK));
+    }
+
+    /**
+     * Will be called if the js context sends an response to the webserver
+     * @param args {UUID: {...}}
+     * @param callbackContext
+     * @throws JSONException
+     */
+    private void onResponse(JSONArray args, CallbackContext callbackContext) throws JSONException {
+        this.responses.put(args.getString(0), args.get(1));
+        callbackContext.sendPluginResult(new PluginResult(PluginResult.Status.OK));
+    }
+
+    /**
+     * Just register the onRequest and send no result. This is needed to save the callbackContext to
+     * invoke it later
+     * @param args
+     * @param callbackContext
+     */
+    private void onRequest(JSONArray args, CallbackContext callbackContext) {
+        this.onRequestCallbackContext = callbackContext;
+        PluginResult pluginResult = new PluginResult(PluginResult.Status.NO_RESULT);
+        pluginResult.setKeepCallback(true);
+        this.onRequestCallbackContext.sendPluginResult(pluginResult);
     }
-    return false;  // Returning false results in a "MethodNotFound" error.
-  }
 }