Restored the old PluginLoader as AddonLoader

Introduce a new `IAEAddon` interface, which has to be implemented and annotated wit `@AEAddon` to obtain access to our public API.
2020-07-11 18:40:51 +02:00
parent d9d491d51c
commit d18eabe1fc
6 changed files with 134 additions and 160 deletions
@@ -0,0 +1,61 @@
+/*
+ * This file is part of Applied Energistics 2.
+ * Copyright (c) 2013 - 2020, AlgorithmX2, All rights reserved.
+ *
+ * Applied Energistics 2 is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Applied Energistics 2 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 Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with Applied Energistics 2.  If not, see <http://www.gnu.org/licenses/lgpl>.
+ */
+
+package appeng.core;
+
+import java.util.Collection;
+import java.util.Objects;
+import java.util.Set;
+
+import org.objectweb.asm.Type;
+
+import net.minecraftforge.fml.ModList;
+import net.minecraftforge.forgespi.language.ModFileScanData;
+import net.minecraftforge.forgespi.language.ModFileScanData.AnnotationData;
+
+import appeng.api.AEAddon;
+import appeng.api.IAEAddon;
+import appeng.api.IAppEngApi;
+
+/**
+ * Loads AE addons on startup and provides them with an {@link IAppEngApi}
+ * instance.
+ */
+class AddonLoader {
+
+    public static void loadAddons(IAppEngApi api) {
+        final Type annotationType = Type.getType(AEAddon.class);
+        final Collection<ModFileScanData> allScanData = ModList.get().getAllScanData();
+
+        allScanData.stream().map(ModFileScanData::getAnnotations).flatMap(Set::stream)
+                .filter(a -> Objects.equals(a.getAnnotationType(), annotationType)).map(AnnotationData::getMemberName)
+                .forEach(className -> {
+                    try {
+                        final Class<?> clazz = Class.forName(className);
+                        final Class<? extends IAEAddon> instanceClass = clazz.asSubclass(IAEAddon.class);
+                        final IAEAddon instance = instanceClass.newInstance();
+
+                        instance.onAPIAvailable(api);
+                    } catch (ClassNotFoundException | InstantiationException | IllegalAccessException
+                            | LinkageError e) {
+                        AELog.error("Failed to load: %s", className, e);
+                        throw new RuntimeException(e);
+                    }
+                });
+    }
+}