1 files changed, 17 insertions, 0 deletions
diff --git a/src/org/traccar/web/JsonConverter.java b/src/org/traccar/web/JsonConverter.java
index a8b68613b..38721db61 100644
--- a/src/org/traccar/web/JsonConverter.java
+++ b/src/org/traccar/web/JsonConverter.java
@@ -36,6 +36,7 @@ import org.joda.time.format.DateTimeFormatter;
 import org.joda.time.format.ISODateTimeFormat;
 import org.traccar.helper.Clazz;
 import org.traccar.helper.Log;
+import org.traccar.model.Factory;
 import org.traccar.model.MiscFormatter;
 
 public final class JsonConverter {
@@ -49,6 +50,18 @@ public final class JsonConverter {
         return DATE_FORMAT.parseDateTime(value).toDate();
     }
 
+    public static <T extends Factory> T objectFromJson(Reader reader, T prototype) throws ParseException {
+        try (JsonReader jsonReader = Json.createReader(reader)) {
+            return objectFromJson(jsonReader.readObject(), prototype);
+        }
+    }
+
+    public static <T extends Factory> T objectFromJson(JsonObject json, T prototype) {
+        T object = (T) prototype.create();
+        Method[] methods = object.getClass().getMethods();
+        return objectFromJson(json, object, methods);
+    }
+
     public static <T> T objectFromJson(Reader reader, Class<T> clazz) throws ParseException {
         try (JsonReader jsonReader = Json.createReader(reader)) {
             return objectFromJson(jsonReader.readObject(), clazz);
@@ -58,6 +71,10 @@ public final class JsonConverter {
     public static <T> T objectFromJson(JsonObject json, Class<T> clazz) {
         T object = Clazz.newInstance(clazz);
         Method[] methods = object.getClass().getMethods();
+        return objectFromJson(json, object, methods);
+    }
+
+    private static <T> T objectFromJson(JsonObject json, T object, Method[] methods) {
         for (final Method method : methods) {
             if (method.getName().startsWith("set") && method.getParameterTypes().length == 1) {