Created FusedExplosive interface.

src/main/java/org/bukkit/entity/Creeper.java

@@ -3,7 +3,7 @@
 /**
  * Represents a Creeper
  */
-public interface Creeper extends Monster {
+public interface Creeper extends Monster, FusedExplosive {
 
     /**
      * Checks if this Creeper is powered (Electrocuted)
@@ -13,7 +13,8 @@ public interface Creeper extends Monster {
     public boolean isPowered();
 
     /**
-     * Sets the Powered status of this Creeper
+     * Sets the Powered status of this Creeper.<br>
+     * Powered creeper's explosion yield is 2 times bigger than default.
      *
      * @param value New Powered status
      */

src/main/java/org/bukkit/entity/FusedExplosive.java

@@ -0,0 +1,21 @@
+package org.bukkit.entity;
+
+/**
+ * A representation of a fused {@link Explosive}.
+ */
+public interface FusedExplosive extends Explosive {
+    /**
+     * Set the number of ticks until the entity blows up after being primed.
+     *
+     * @param fuseTicks The fuse ticks
+     */
+    public void setFuseTicks(int fuseTicks);
+
+    /**
+     * Retrieve the number of ticks until the explosion of this entity.
+     *
+     * @return the number of ticks until this entity explodes
+     */
+    public int getFuseTicks();
+
+}

src/main/java/org/bukkit/entity/TNTPrimed.java

@@ -3,22 +3,7 @@
 /**
  * Represents a Primed TNT.
  */
-public interface TNTPrimed extends Explosive {
-
-    /**
-     * Set the number of ticks until the TNT blows up after being primed.
-     *
-     * @param fuseTicks The fuse ticks
-     */
-    public void setFuseTicks(int fuseTicks);
-
-    /**
-     * Retrieve the number of ticks until the explosion of this TNTPrimed
-     * entity
-     *
-     * @return the number of ticks until this TNTPrimed explodes
-     */
-    public int getFuseTicks();
+public interface TNTPrimed extends FusedExplosive {
 
     /**
      * Gets the source of this primed TNT. The source is the entity

src/main/java/org/bukkit/entity/minecart/ExplosiveMinecart.java

@@ -1,9 +1,10 @@
 package org.bukkit.entity.minecart;
 
+import org.bukkit.entity.FusedExplosive;
 import org.bukkit.entity.Minecart;
 
 /**
  * Represents a Minecart with TNT inside it that can explode when triggered.
  */
-public interface ExplosiveMinecart extends Minecart {
+public interface ExplosiveMinecart extends Minecart, FusedExplosive {
 }

src/main/java/org/bukkit/event/entity/ExplosiveFuseStartEvent.java

@@ -0,0 +1,53 @@
+package org.bukkit.event.entity;
+
+import org.bukkit.Location;
+import org.bukkit.entity.FusedExplosive;
+import org.bukkit.event.Cancellable;
+import org.bukkit.event.HandlerList;
+
+/**
+ * Called when a fused {@link FusedExplosive} is ignited.
+ */
+public class ExplosiveFuseStartEvent extends EntityEvent implements Cancellable {
+    private static final HandlerList handlers = new HandlerList();
+    private boolean cancelled = false;
+
+    public ExplosiveFuseStartEvent(FusedExplosive what) {
+        super(what);
+    }
+
+    /**
+     * Gets the {@link FusedExplosive} that was ignited.
+     *
+     * @return The ignited {@link FusedExplosive}
+     */
+    @Override
+    public FusedExplosive getEntity() {
+        return (FusedExplosive) entity;
+    }
+
+    /**
+     * Gets the event's {@link Location}.
+     * @return The event Location
+     */
+    public Location getLocation() {
+        return entity.getLocation ();
+    }
+
+    public boolean isCancelled() {
+        return cancelled;
+    }
+
+    public void setCancelled(boolean cancel) {
+        cancelled = cancel;
+    }
+
+    @Override
+    public HandlerList getHandlers() {
+        return handlers;
+    }
+
+    public static HandlerList getHandlerList() {
+        return handlers;
+    }
+}