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src/main/java/de/welterde/em/io/EntityLoader.java

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+/*
+ * Copyright (C) 2026 welterde
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package de.welterde.em.io;
+
+import de.welterde.em.EntityBase;
+import java.lang.reflect.InvocationTargetException;
+
+/**
+ *
+ * @author welterde
+ */
+public class EntityLoader {
+    
+    
+    
+    protected EntityBase loadEntity(EntityRecord r, String entityClassName) {
+        try {
+            var c = Class.forName(entityClassName);
+            var cc = c.getConstructor(EntityRecord.class);
+            return (EntityBase) cc.newInstance(r);
+        } catch (ClassNotFoundException ex) {
+            throw new RuntimeException("Could not find class: " + entityClassName);
+        } catch (NoSuchMethodException ex) {
+            throw new RuntimeException("Entity class " + entityClassName + " does not support loading (missing EntityRecord constructor)");
+        } catch (InstantiationException ex) {
+            throw new RuntimeException(ex);
+        } catch (IllegalAccessException ex) {
+            throw new RuntimeException(ex);
+        } catch (IllegalArgumentException ex) {
+            throw new RuntimeException(ex);
+        } catch (InvocationTargetException ex) {
+            throw new RuntimeException(ex);
+        }
+    }
+}