various

use vector.add for compatibility with vs-flattened
flush before remember
share meta objects across players
fix wg compatibility

worldedit-core/src/main/java/com/sk89q/minecraft/util/commands/SimpleInjector.java

@@ -0,0 +1,53 @@
+/*
+ * WorldEdit, a Minecraft world manipulation toolkit
+ * Copyright (C) sk89q <http://www.sk89q.com>
+ * Copyright (C) WorldEdit team and contributors
+ *
+ * This program 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.
+ *
+ * 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 Lesser General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package com.sk89q.minecraft.util.commands;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.lang.reflect.Constructor;
+import java.lang.reflect.InvocationTargetException;
+
+public class SimpleInjector implements Injector {
+
+    private static final Logger log = LoggerFactory.getLogger(SimpleInjector.class);
+    private Object[] args;
+    private Class<?>[] argClasses;
+
+    public SimpleInjector(Object... args) {
+        this.args = args;
+        argClasses = new Class[args.length];
+        for (int i = 0; i < args.length; ++i) {
+            argClasses[i] = args[i].getClass();
+        }
+    }
+
+    @Override
+    public Object getInstance(Class<?> clazz) {
+        try {
+            Constructor<?> ctr = clazz.getConstructor(argClasses);
+            ctr.setAccessible(true);
+            return ctr.newInstance(args);
+        } catch (NoSuchMethodException | IllegalAccessException | InstantiationException | InvocationTargetException e) {
+            log.error("Error initializing commands class " + clazz, e);
+            return null;
+        }
+    }
+}