* right versioning and buildtime variables

* new INFO object to store buildtime and version

src/java/com/wasteinformationserver/basicutils/Info.java

@@ -0,0 +1,35 @@
+package com.wasteinformationserver.basicutils;
+
+import java.io.File;
+import java.io.IOException;
+import java.net.URISyntaxException;
+import java.net.URL;
+import java.text.SimpleDateFormat;
+import java.util.Date;
+import java.util.Properties;
+
+public class Info {
+    public static String version="0.0";
+    public static String builddate;
+
+
+    public static void init(){
+        Properties prop = new Properties();
+        try {
+            SimpleDateFormat format = new SimpleDateFormat("dd.MM.yyyy HH:mm:ss");
+
+            URL url = Info.class.getResource("/version.properties");
+
+            String builddatee = format.format(new Date(new File(url.toURI()).lastModified()));
+            builddate=builddatee;
+
+            prop.load(url.openStream());
+            version=(String)prop.get("version");
+        } catch (IOException e) {
+            e.printStackTrace();
+        } catch (URISyntaxException e) {
+            e.printStackTrace();
+        }
+
+    }
+}

src/java/com/wasteinformationserver/main.java

@@ -1,16 +1,17 @@
 package com.wasteinformationserver;
 
+import com.wasteinformationserver.basicutils.Info;
 import com.wasteinformationserver.basicutils.Log;
 import com.wasteinformationserver.db.JDCB;
 import com.wasteinformationserver.mqtt.mqtt;
 import com.wasteinformationserver.website.Webserver;
-
 import java.io.IOException;
 
 public class main {
     public static void main(String[] args) {
 
         Log.setLevel(Log.DEBUG);
+        Log.info("startup of WasteInformationServer");
 
 
         Runtime.getRuntime().addShutdownHook(new Thread(() -> {
@@ -24,6 +25,10 @@ public class main {
             }
         }));
 
+        Info.init();
+        Log.info("Server version: "+Info.version);
+        Log.debug("Build date: "+Info.builddate);
+
         //initial connect to db
         Log.message("initial login to db");
         new Thread(() -> {

src/java/com/wasteinformationserver/website/datarequests/DataRequest.java

@@ -1,5 +1,6 @@
 package com.wasteinformationserver.website.datarequests;
 
+import com.wasteinformationserver.basicutils.Info;
 import com.wasteinformationserver.basicutils.Log;
 import com.wasteinformationserver.db.JDCB;
 import com.wasteinformationserver.website.basicrequest.PostRequest;
@@ -168,6 +169,16 @@ public class DataRequest extends PostRequest {
                     sb.append("\"status\" : \"error\"");
                 }
 
+                sb.append(",\"query\":\"ok\"");
+                sb.append("}");
+                break;
+            case "getversionandbuildtime":
+                sb.append("{");
+
+                sb.append("\"version\" : \""+ Info.version+"\"");
+                sb.append(",\"buildtime\" : \""+ Info.builddate+"\"");
+
+
                 sb.append(",\"query\":\"ok\"");
                 sb.append("}");
                 break;