Added dispenser event.

src/main/java/org/bukkit/event/Event.java

@@ -363,6 +363,13 @@ public abstract class Event implements Serializable {
          */
         BLOCK_PLACE (Category.BLOCK),
 
+        /**
+         * Called when a block dispenses something
+         *
+         * @see org.bukkit.event.block.BlockPlaceEvent
+         */
+        BLOCK_DISPENSE (Category.BLOCK),
+
         /**
          * Called when a block is destroyed from being burnt by fire
          *

src/main/java/org/bukkit/event/block/BlockDispenseEvent.java

@@ -0,0 +1,77 @@
+package org.bukkit.event.block;
+
+import org.bukkit.block.Block;
+import org.bukkit.event.Cancellable;
+import org.bukkit.inventory.ItemStack;
+import org.bukkit.util.Vector;
+
+/**
+ * Event called on dispense of an item from a block.
+ * 
+ * @author sk89q
+ */
+public class BlockDispenseEvent extends BlockEvent implements Cancellable {
+    
+    private boolean cancelled = false;
+    private ItemStack item;
+    private Vector velocity;
+    
+    public BlockDispenseEvent(Block block, ItemStack dispensed, Vector velocity) {
+        super(Type.BLOCK_DISPENSE, block);
+        this.item = dispensed;
+        this.velocity = velocity;
+    }
+
+    /**
+     * Get the item that is being dispensed. Modifying the returned item
+     * will have no effect.
+     * 
+     * @return
+     */
+    public ItemStack getItem() {
+        return item.clone();
+    }
+
+    /**
+     * Set the item being dispensed.
+     * 
+     * @param item
+     */
+    public void setItem(ItemStack item) {
+        this.item = item;
+    }
+    
+    /**
+     * Gets the velocity. Modifying the returned Vector will not
+     * change the velocity.
+     * 
+     * @return
+     */
+    public Vector getVelocity() {
+        return velocity.clone();
+    }
+    
+    /**
+     * Set the velocity.
+     * 
+     * @param vel
+     */
+    public void setVelocity(Vector vel) {
+        velocity = vel;
+    }
+
+    /**
+     * Check to see if the event was cancelled.
+     */
+    public boolean isCancelled() {
+        return cancelled;
+    }
+
+    /**
+     * Prevent dispensing.
+     */
+    public void setCancelled(boolean cancel) {
+        cancelled = cancel;
+    }
+
+}

src/main/java/org/bukkit/event/block/BlockListener.java

@@ -116,4 +116,12 @@ public class BlockListener implements Listener {
      */
     public void onSnowForm(SnowFormEvent event) {
     }
+    
+    /**
+     * Called when a block is dispensing an item
+     * 
+     * @param event Relevant event details
+     */
+    public void onBlockDispense(BlockDispenseEvent event) {
+    }
 }

src/main/java/org/bukkit/inventory/ItemStack.java

@@ -194,6 +194,11 @@ public class ItemStack {
         return item.getAmount() == getAmount() && item.getTypeId() == getTypeId();
     }
     
+    @Override
+    public ItemStack clone() {
+        return new ItemStack(type, amount, durability);
+    } 
+    
     @Override
     public int hashCode() {
         int hash = 11;

src/main/java/org/bukkit/plugin/java/JavaPluginLoader.java

@@ -438,6 +438,12 @@ public final class JavaPluginLoader implements PluginLoader {
                     ((BlockListener) listener).onSnowForm((SnowFormEvent) event);
                 }
             };
+        case BLOCK_DISPENSE:
+            return new EventExecutor() {
+                public void execute(Listener listener, Event event) {
+                    ((BlockListener) listener).onBlockDispense((BlockDispenseEvent) event);
+                }
+            };
 
         // Server Events
         case PLUGIN_ENABLE: