Removed EditSessionFactory in favor of event-based system.

src/main/java/com/sk89q/worldedit/event/Event.java

@@ -0,0 +1,28 @@
+/*
+ * 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.event;
+
+import com.sk89q.worldedit.util.eventbus.EventBus;
+
+/**
+ * An abstract base class for all WorldEdit events.
+ */
+public abstract class Event {
+}

src/main/java/com/sk89q/worldedit/event/extent/EditSessionEvent.java

@@ -0,0 +1,106 @@
+/*
+ * 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.event.extent;
+
+import com.sk89q.worldedit.EditSession;
+import com.sk89q.worldedit.LocalPlayer;
+import com.sk89q.worldedit.LocalWorld;
+import com.sk89q.worldedit.event.Event;
+import com.sk89q.worldedit.extent.Extent;
+
+import javax.annotation.Nullable;
+
+import static com.google.common.base.Preconditions.checkNotNull;
+
+/**
+ * Raised when a new {@link EditSession} is being instantiated.
+ * </p>
+ * Block loggers, as well as block set interceptors, can use this event to wrap
+ * the given {@link Extent} with their own, which would allow them to intercept
+ * all changes made to the world.
+ */
+public class EditSessionEvent extends Event {
+
+    private final LocalWorld world;
+    private final LocalPlayer player;
+    private final int maxBlocks;
+    private Extent extent;
+
+    /**
+     * Create a new event.
+     *
+     * @param player the player, or null if not available
+     * @param world the world
+     * @param maxBlocks the maximum number of block changes
+     */
+    public EditSessionEvent(LocalWorld world, LocalPlayer player, int maxBlocks) {
+        checkNotNull(world);
+        this.world = world;
+        this.player = player;
+        this.maxBlocks = maxBlocks;
+    }
+
+    /**
+     * Get the player for this event.
+     *
+     * @return the player, which may be null if unavailable
+     */
+    public @Nullable LocalPlayer getPlayer() {
+        return player;
+    }
+
+    /**
+     * Get the world.
+     *
+     * @return the world
+     */
+    public LocalWorld getWorld() {
+        return world;
+    }
+
+    /**
+     * Get the maximum number of blocks that may be set.
+     *
+     * @return the maximum number of blocks, which is -1 if unlimited
+     */
+    public int getMaxBlocks() {
+        return maxBlocks;
+    }
+
+    /**
+     * Get the {@link Extent} that can be wrapped.
+     *
+     * @return the extent
+     */
+    public Extent getExtent() {
+        return extent;
+    }
+
+    /**
+     * Set a new extent that should be used. It should wrap the extent
+     * returned from {@link #getExtent()}.
+     *
+     * @param extent the extent
+     */
+    public void setExtent(Extent extent) {
+        checkNotNull(extent);
+        this.extent = extent;
+    }
+}