From f667e378df429563db95cbe7ea88cd1fb71e2847 Mon Sep 17 00:00:00 2001
From: Xcreen <Xcreen@users.noreply.github.com>
Date: Thu, 27 Sep 2018 13:07:55 +0200
Subject: [PATCH] Added Start/Stop Logic

---
 .../java/net/xcreen/restsms/HomeFragment.java | 51 +++++++++++++++----
 .../java/net/xcreen/restsms/SMSServer.java    | 44 +++++++++++++++-
 app/src/main/res/values/strings.xml           |  2 +
 3 files changed, 86 insertions(+), 11 deletions(-)

diff --git a/app/src/main/java/net/xcreen/restsms/HomeFragment.java b/app/src/main/java/net/xcreen/restsms/HomeFragment.java
index ce21249..bd3cb91 100644
--- a/app/src/main/java/net/xcreen/restsms/HomeFragment.java
+++ b/app/src/main/java/net/xcreen/restsms/HomeFragment.java
@@ -7,6 +7,7 @@ import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.Button;
+import android.widget.Toast;
 
 public class HomeFragment extends Fragment {
 
@@ -28,20 +29,52 @@ public class HomeFragment extends Fragment {
         toggleServerBtn.setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View v) {
-                new Thread(new Runnable() {
-                    @Override
-                    public void run() {
-                        try {
-                            appContext.smsServer.start();
+                //Check if Server is running
+                if(appContext.smsServer.isRunning() && !appContext.smsServer.isStopping()){
+                    //Stop Server
+                    new Thread(new Runnable() {
+                        @Override
+                        public void run() {
+                            try {
+                                appContext.smsServer.stop();
+                            }
+                            catch (Exception ex){
+                                ex.printStackTrace();
+                            }
                         }
-                        catch (Exception ex){
-                            ex.printStackTrace();
+                    }).start();
+                    //Switch Button-Text
+                    toggleServerBtn.setText(getResources().getText(R.string.start_server));
+                }
+                else if(!appContext.smsServer.isStopping()){
+                    //Start Server
+                    new Thread(new Runnable() {
+                        @Override
+                        public void run() {
+                            try {
+                                appContext.smsServer.start();
+                            }
+                            catch (Exception ex){
+                                ex.printStackTrace();
+                                Toast.makeText(getContext(), getResources().getText(R.string.server_failed_to_start), Toast.LENGTH_SHORT).show();
+                            }
                         }
-                    }
-                }).start();
+                    }).start();
+                    //Switch Button-Text
+                    toggleServerBtn.setText(getResources().getText(R.string.stop_server));
+                }
+                else{
+                    //Server is stopping
+                    Toast.makeText(getContext(), getResources().getText(R.string.server_is_stopping), Toast.LENGTH_SHORT).show();
+                }
             }
         });
 
+        //Check Server is running, to set correct Button-Text
+        if(appContext.smsServer.isRunning()){
+            toggleServerBtn.setText(getResources().getText(R.string.stop_server));
+        }
+
         return rootView;
     }
 }
diff --git a/app/src/main/java/net/xcreen/restsms/SMSServer.java b/app/src/main/java/net/xcreen/restsms/SMSServer.java
index 14c1ab6..f3d09b6 100644
--- a/app/src/main/java/net/xcreen/restsms/SMSServer.java
+++ b/app/src/main/java/net/xcreen/restsms/SMSServer.java
@@ -24,9 +24,49 @@ public class SMSServer {
         jettyServer.join();
     }
 
+    /**
+     * Stopping Jetty-Server
+     * @throws Exception - Jetty Exception
+     */
     public void stop() throws Exception{
-        Log.i("SMS-Server", "Stopping Server...");
-        jettyServer.stop();
+        if(jettyServer != null) {
+            Log.i("SMS-Server", "Stopping Server...");
+            jettyServer.stop();
+        }
+    }
+
+    /**
+     * Checks if the Jetty is running
+     * @return boolean - true when server is running/starting/stopping, false otherwise
+     */
+    public boolean isRunning(){
+        if(jettyServer != null){
+            if(jettyServer.isRunning()){
+                return true;
+            }
+            else if(jettyServer.isStopping()){
+                return true;
+            }
+            else{
+                return false;
+            }
+        }
+        else{
+            return false;
+        }
+    }
+
+    /**
+     * Checks if Jetty is stopping
+     * @return boolean - True when server is stopping
+     */
+    public boolean isStopping(){
+        if(jettyServer != null) {
+            return jettyServer.isStopping();
+        }
+        else{
+            return false;
+        }
     }
 
     /**
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 132d713..e43a8bc 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -12,4 +12,6 @@
 
     <string name="start_server">Start Server</string>
     <string name="stop_server">Stop Server</string>
+    <string name="server_is_stopping">Server is shutting down. Please wait.</string>
+    <string name="server_failed_to_start">Server failed to start!</string>
 </resources>