Added CraftDispenser.dispense()

src/main/java/net/minecraft/server/BlockDispenser.java

@@ -84,7 +84,8 @@ public class BlockDispenser extends BlockContainer {
         }
     }
 
-    private void b(World world, int i, int j, int k, Random random) {
+    // Craftbukkit - following method should be public
+    public void b(World world, int i, int j, int k, Random random) {
         int l = world.getData(i, j, k);
         float f = 0.0F;
         float f1 = 0.0F;

src/main/java/org/bukkit/craftbukkit/block/CraftDispenser.java

@@ -1,6 +1,9 @@
 package org.bukkit.craftbukkit.block;
 
+import java.util.Random;
+import net.minecraft.server.BlockDispenser;
 import net.minecraft.server.TileEntityDispenser;
+import org.bukkit.Material;
 import org.bukkit.block.Block;
 import org.bukkit.block.Dispenser;
 import org.bukkit.craftbukkit.CraftWorld;
@@ -27,6 +30,20 @@ public class CraftDispenser extends CraftBlockState implements Dispenser {
         return new CraftInventory(dispenser);
     }
 
+    public boolean dispense() {
+        Block block = getBlock();
+
+        synchronized (block) {
+            if (block.getType() == Material.DISPENSER) {
+                BlockDispenser dispense = (BlockDispenser)net.minecraft.server.Block.DISPENSER;
+                dispense.b(world.getHandle(), getX(), getY(), getZ(), new Random());
+                return true;
+            } else {
+                return false;
+            }
+        }
+    }
+
     @Override
     public boolean update(boolean force) {
         boolean result = super.update(force);