Added EXPLOSION_PRIMED event.

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

@@ -533,6 +533,20 @@ public abstract class Event {
          */
         ENTITY_EXPLODE (Category.LIVING_ENTITY),
 
+        /**
+         * Called when an entity has made a decision to explode.
+         * 
+         * Provides an opportunity to act on the entity, change the explosion radius,
+         * or to change the fire-spread flag.
+         * 
+         * Canceling the event negates the entity's decision to explode.
+         * For EntityCreeper, this resets the fuse but does not kill the Entity.
+         * For EntityFireball and EntityTNTPrimed....?
+         * 
+         * @see org.bukkit.event.entity.EntityExplodeTriggerEvent
+         */
+        EXPLOSION_PRIMED (Category.LIVING_ENTITY),
+
         /**
          * Called when an entity targets another entity
          *

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

@@ -27,6 +27,9 @@ public class EntityListener implements Listener {
     public void onEntityExplode(EntityExplodeEvent event) {
     }
 
+    public void onExplosionPrimed(ExplosionPrimedEvent event) {
+    }
+
     public void onEntityDeath(EntityDeathEvent event) {
     }
 

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

@@ -0,0 +1,42 @@
+package org.bukkit.event.entity;
+
+import org.bukkit.entity.Entity;
+import org.bukkit.event.Cancellable;
+
+public class ExplosionPrimedEvent extends EntityEvent implements Cancellable {
+    private boolean cancel;
+    private float radius;
+    private boolean fire;
+
+    public ExplosionPrimedEvent(Type type, Entity what, float radius, boolean fire) {
+        super(type.EXPLOSION_PRIMED, what);
+        this.cancel = false;
+        this.radius = radius;
+        this.fire = fire;
+    }
+
+    public boolean isCancelled() {
+        return cancel;
+    }
+
+    public void setCancelled(boolean cancel) {
+        this.cancel = cancel;
+    }
+    
+    public float getRadius() {
+        return radius;
+    }
+    
+    public void setRadius(float radius) {
+        this.radius = radius;
+    }
+
+    public boolean getFire() {
+        return fire;
+    }
+
+    public void setFire(boolean fire) {
+        this.fire = fire;
+    }
+
+}

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

@@ -343,6 +343,11 @@ public final class JavaPluginLoader implements PluginLoader {
                     ((EntityListener)listener).onEntityExplode( (EntityExplodeEvent)event );
                 }
             };
+        case EXPLOSION_PRIMED:
+            return new EventExecutor() { public void execute( Listener listener, Event event ) {
+                    ((EntityListener)listener).onExplosionPrimed( (ExplosionPrimedEvent)event );
+                }
+            };
         case ENTITY_TARGET:
             return new EventExecutor() { public void execute( Listener listener, Event event ) {
                     ((EntityListener)listener).onEntityTarget( (EntityTargetEvent)event );