Added AbstractLoggingExtent for block loggers.

src/main/java/com/sk89q/worldedit/extent/AbstractLoggingExtent.java

@@ -0,0 +1,49 @@
+/*
+ * 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 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 com.sk89q.worldedit.extent;
+
+import com.sk89q.worldedit.Vector;
+import com.sk89q.worldedit.WorldEditException;
+import com.sk89q.worldedit.blocks.BaseBlock;
+
+/**
+ * An abstract class to implement block loggers and so on with.
+ */
+public abstract class AbstractLoggingExtent extends ExtentDelegate {
+
+    /**
+     * Create a new instance.
+     *
+     * @param extent the extent
+     */
+    public AbstractLoggingExtent(Extent extent) {
+        super(extent);
+    }
+
+    protected void onBlockSet(Vector position, BaseBlock newBlock) {
+    }
+
+    @Override
+    public final boolean setBlock(Vector position, BaseBlock block) throws WorldEditException {
+        onBlockSet(position, block);
+        return super.setBlock(position, block);
+    }
+    
+}