初始化并且写了些东西

src/main/java/top/sunsetlab/utils/JsonAction.java

@@ -0,0 +1,57 @@
+package top.sunsetlab.utils;
+
+import com.google.gson.Gson;
+import org.bukkit.Location;
+import org.bukkit.entity.Player;
+import top.sunsetlab.actions.IActionBase;
+
+import java.io.BufferedReader;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.lang.reflect.Constructor;
+import java.lang.reflect.InvocationTargetException;
+
+class ActionData {
+    String id;
+    String classname;
+}
+
+public class JsonAction {
+    private final ActionData data;
+
+    public JsonAction(String location) {
+        InputStream is = JsonAction.class.getResourceAsStream("/" + location);
+        if (is == null) {
+            throw new RuntimeException(location + " not found");
+        }
+        BufferedReader br = new BufferedReader(new InputStreamReader(is));
+        Gson gson = new Gson();
+        data = gson.fromJson(br, ActionData.class);
+    }
+
+    public boolean run(Location location, Player caller) {
+        try {
+            Class<?> clazz = Class.forName(data.classname);
+            if (!IActionBase.class.isAssignableFrom(clazz)) {
+                throw new RuntimeException(data.classname + " is not a Action");
+            }
+            Constructor<?> constructor = clazz.getConstructor();
+            IActionBase action = (IActionBase) constructor.newInstance();
+            return action.call(location, caller);
+        }catch (ClassNotFoundException
+                | NoSuchMethodException
+                | SecurityException
+                | InstantiationException
+                | IllegalAccessException
+                | IllegalArgumentException
+                | InvocationTargetException e) {
+            throw new RuntimeException(
+                    "Something went wrong while trying to run action " + data.id + ":",
+                    e);
+        }
+    }
+
+    public String getId() {
+        return data.id;
+    }
+}