#113 Event Driven Architecture

- initial commit includes a simple and advanced example of Event-driven architecture

event-driven-architecture/src/main/java/com/iluwatar/eda/advanced/EventDispatcher.java

@@ -0,0 +1,21 @@
+package com.iluwatar.eda.advanced;
+
+import java.util.HashMap;
+import java.util.Map;
+
+public class EventDispatcher implements DynamicRouter<Event> {
+    private Map<Class<? extends Event>, Handler> handlers;
+
+    public EventDispatcher() {
+        handlers = new HashMap<Class<? extends Event>, Handler>();
+    }
+
+    public void registerChannel(Class<? extends Event> contentType,
+                                Channel<? extends Event> channel) {
+        handlers.put(contentType, (Handler)channel);
+    }
+
+    public void dispatch(Event content) {
+        handlers.get(content.getClass()).dispatch(content);
+    }
+}