Merge pull request #876 from dprotti/privateroutingclasses

GWT - routing classes moved from public into ToDoRouting inner classes

architecture-examples/gwt/src/com/todo/client/ToDoPresenter.java

@@ -162,7 +162,7 @@ public class ToDoPresenter {
 	private void updateFilteredList() {
 		filteredTodos.getList().clear();
 		for (ToDoItem task : todos) {
-			if (routing.getRoutingFunction().matches(task)) {
+			if (routing.getMatcher().matches(task)) {
 				filteredTodos.getList().add(task);
 			}
 		}

architecture-examples/gwt/src/com/todo/client/ToDoRouting.java

@@ -2,25 +2,65 @@ package com.todo.client;
 
 public enum ToDoRouting {
 	/**
-	 * Displays all todo items
+	 * Displays all todo items.
 	 */
-	ALL(new ToDoRoutingAll()),
+	ALL(new MatchAll()),
 	/**
-	 * Displays active todo items - i.e. those that have not been done
+	 * Displays active todo items - i.e. those that have not been done.
 	 */
-	ACTIVE(new ToDoRoutingActive()),
+	ACTIVE(new MatchActive()),
 	/**
-	 * Displays completed todo items - i.e. those that have been done
+	 * Displays completed todo items - i.e. those that have been done.
 	 */
-	COMPLETED(new ToDoRoutingCompleted());
+	COMPLETED(new MatchCompleted());
 
-	private final ToDoRoutingFunction routingFunction;
+	/**
+	 * Matcher used to filter todo items, based on some criteria.
+	 */
+	public interface Matcher {
+		/**
+		 * Determines whether the given todo item meets the criteria of this matcher.
+		 */
+		boolean matches(ToDoItem item);
+	}
+
+	/**
+	 * A matcher that matches any todo item.
+	 */
+	private static class MatchAll implements Matcher {
+		@Override
+		public boolean matches(ToDoItem item) {
+			return true;
+		}
+	}
+
+	/**
+	 * A matcher that matches only active todo items.
+	 */
+	private static class MatchActive implements Matcher {
+		@Override
+		public boolean matches(ToDoItem item) {
+			return !item.isDone();
+		}
+	}
+
+	/**
+	 * A matcher that matches only completed todo items.
+	 */
+	private static class MatchCompleted implements Matcher {
+		@Override
+		public boolean matches(ToDoItem item) {
+			return item.isDone();
+		}
+	}
+
+	private final Matcher matcher;
 
-	private ToDoRouting(ToDoRoutingFunction routingFunction) {
-		this.routingFunction = routingFunction;
+	private ToDoRouting(Matcher matcher) {
+		this.matcher = matcher;
 	}
 
-	public ToDoRoutingFunction getRoutingFunction() {
-		return routingFunction;
+	public Matcher getMatcher() {
+		return matcher;
 	}
 }

architecture-examples/gwt/src/com/todo/client/ToDoRoutingActive.java

-package com.todo.client;
-
-/**
- * A routing function that matches active todo items.
- */
-public class ToDoRoutingActive implements ToDoRoutingFunction {
-
-	@Override
-	public boolean matches(ToDoItem item) {
-		return !item.isDone();
-	}
-
-}

architecture-examples/gwt/src/com/todo/client/ToDoRoutingAll.java

-package com.todo.client;
-
-/**
- * A routing function that matches all todo items.
- */
-public class ToDoRoutingAll implements ToDoRoutingFunction {
-
-	@Override
-	public boolean matches(ToDoItem item) {
-		return true;
-	}
-
-}

architecture-examples/gwt/src/com/todo/client/ToDoRoutingCompleted.java

-package com.todo.client;
-
-/**
- * A routing function that matches completed todo items.
- */
-public class ToDoRoutingCompleted implements ToDoRoutingFunction {
-
-	@Override
-	public boolean matches(ToDoItem item) {
-		return item.isDone();
-	}
-
-}

architecture-examples/gwt/src/com/todo/client/ToDoRoutingFunction.java

-package com.todo.client;
-
-/**
- * A routing function filters todo items, based on some criteria
- */
-public interface ToDoRoutingFunction {
-	/**
-	 * Determines whether the given todo item matches this routing function.
-	 */
-	boolean matches(ToDoItem item);
-}