Move notification API to Nenjim

src/main/java/com/r35157/libs/notification/AddressedNotifier.java

@@ -0,0 +1,14 @@
+package com.r35157.libs.notification;
+
+import java.io.IOException;
+
+public interface AddressedNotifier<
+        D extends NotificationDestination,
+        M extends NotificationMessage>
+{
+    void push(D destination, M message) throws IOException;
+
+    default BoundNotifier<M> bind(D destination) {
+        return message -> push(destination, message);
+    }
+}

src/main/java/com/r35157/libs/notification/BoundNotifier.java

@@ -0,0 +1,7 @@
+package com.r35157.libs.notification;
+
+import java.io.IOException;
+
+public interface BoundNotifier<M extends NotificationMessage> {
+    void push(M message) throws IOException;
+}

src/main/java/com/r35157/libs/notification/NotificationDestination.java

@@ -0,0 +1,3 @@
+package com.r35157.libs.notification;
+
+public interface NotificationDestination {}

src/main/java/com/r35157/libs/notification/NotificationMessage.java

@@ -0,0 +1,4 @@
+package com.r35157.libs.notification;
+
+public interface NotificationMessage {
+}