Add more functions

src/main/java/Other/SomeCodes.java

@@ -1,5 +1,6 @@
 package Other;
 
+import com.google.gson.Gson;
 import org.bytedeco.javacpp.Loader;
 import org.bytedeco.javacv.Frame;
 import org.bytedeco.javacv.Java2DFrameConverter;
@@ -42,6 +43,7 @@ public class SomeCodes {
     public static final boolean haveOpenCL = opencv_core.haveOpenCL();
     public static boolean useOpenCL;
     private static final Base64.Encoder base64encoder = java.util.Base64.getEncoder();
+    public static final Gson gson = new Gson();
 
     public static String[] GetAudioFiles(){
         try{
@@ -49,6 +51,7 @@ public class SomeCodes {
         } catch (Exception e){
             Logger.error("Error getting audio files: "+e.getMessage());
         }
+
         return new String[0];
     }
 
@@ -199,10 +202,15 @@ public class SomeCodes {
     }
 
 
-
+    /**
+     * Load properties file
+     * @param filename properties file name
+     * @return Properties object loaded, or empty new Properties object if error
+     */
     public static @NotNull Properties LoadProperties(String filename){
         try{
-            InputStream is = new FileInputStream(filename);
+            File ff = new File(currentDirectory, filename);
+            InputStream is = new FileInputStream(ff);
             Properties prop = new Properties();
             prop.load(is);
             return prop;
@@ -212,9 +220,16 @@ public class SomeCodes {
         return new Properties();
     }
 
+    /**
+     * Save properties file
+     * @param prop Properties object to save
+     * @param filename properties file name
+     * @return true if success, false otherwise
+     */
     public static boolean SaveProperties(Properties prop, String filename){
         try{
-            OutputStream os = new FileOutputStream(filename);
+            File ff = new File(currentDirectory, filename);
+            OutputStream os = new FileOutputStream(ff);
             prop.store(os, null);
             return true;
         } catch (Exception e){
@@ -236,6 +251,7 @@ public class SomeCodes {
             UMat src = new UMat();
             source.copyTo(src);
             UMat dst = new UMat();
+
             opencv_imgproc.resize(src, dst, sz);
             dst.copyTo(dest);
         } else {
@@ -249,4 +265,19 @@ public class SomeCodes {
         Mat resized = ResizeMat(mat, width, height);
         return matConverter.convert(resized);
     }
+
+    /**
+     * check if an ip address is reachable
+     * @param ipaddress ip address to check
+     * @return true if valid and reachable, false otherwise
+     */
+    public static boolean IpIsReachable(String ipaddress){
+        try{
+            InetAddress inet = InetAddress.getByName(ipaddress);
+            return inet.isReachable(1000);
+        } catch (Exception e){
+            Logger.error("Error checking ip address: "+e.getMessage());
+        }
+        return false;
+    }
 }