Merge commands implmentation (fix #1271)

1 files changed, 20 insertions, 0 deletions

diff --git a/src/org/traccar/http/EnumFactory.java b/src/org/traccar/http/EnumFactory.java
new file mode 100644
index 000000000..6e9971f71
--- /dev/null
+++ b/src/org/traccar/http/EnumFactory.java
@@ -0,0 +1,20 @@
+package org.traccar.http;
+
+import org.traccar.model.Factory;
+
+import javax.json.JsonObject;
+
+public class EnumFactory<T extends Enum<T> & Factory> {
+    private Class<T> commandTypeClass;
+    private String jsonKey;
+
+    public EnumFactory(Class<T> commandTypeClass, String type) {
+        this.commandTypeClass = commandTypeClass;
+        jsonKey = type;
+    }
+
+    public <K> K create(JsonObject json) {
+        Factory factory = Enum.valueOf(commandTypeClass, json.getString(jsonKey));
+        return (K) factory.create();
+    }
+}