Added default 404 page

jpro-routing/core/src/main/resources/one/jpro/platform/routing/css/not-found-page.css

@@ -0,0 +1,40 @@
+@font-face {
+    font-family: "DM Sans Regular";
+    src: url("../font/DMSans-Regular.ttf");
+}
+
+@font-face {
+    font-family: "DM Sans Bold";
+    src: url("../font/DMSans-Bold.ttf");
+}
+
+.not-found-page {
+    -fx-background-color: white;
+    -fx-background-image: url("../images/background.png");
+    -fx-background-repeat: repeat;
+    -fx-alignment: center;
+    -fx-padding: 64 0 64 0;
+}
+
+.not-found-page-container {
+    -fx-max-width: 600;
+    -fx-max-height: 368;
+    -fx-background-color: white;
+    -fx-background-radius: 8;
+    -fx-border-color: #3E3BC51F;
+    -fx-border-width: 1;
+    -fx-border-radius: 8;
+    -fx-padding: 32 24 32 24;
+    -fx-spacing: 32;
+    -fx-alignment: center;
+}
+
+.not-found-page-title {
+    -fx-font-family: "DM Sans Bold";
+    -fx-font-size: 32;
+}
+
+.not-found-page-text {
+    -fx-font-family: "DM Sans Regular";
+    -fx-font-size: 16;
+}

jpro-routing/core/src/main/scala/one/jpro/platform/routing/Filters.scala

@@ -91,7 +91,7 @@ object Filters {
   }
 
   def notFoundPage(): Filter = {
-    notFoundPage((request) => Response.node(new Label("Not Found: " + request.getPath())))
+    notFoundPage(_ => Response.node(new NotFoundPage()))
   }
   def notFoundPage(function: Route): Filter = { route =>
     route.and(function)

jpro-routing/core/src/main/scala/one/jpro/platform/routing/NotFoundPage.scala

@@ -0,0 +1,34 @@
+package one.jpro.platform.routing
+
+import javafx.scene.control.Label
+import javafx.scene.image.{Image, ImageView}
+import javafx.scene.layout.{StackPane, VBox}
+import javafx.scene.text.{Text, TextAlignment, TextFlow}
+
+class NotFoundPage extends StackPane {
+
+  getStylesheets.add("/one/jpro/platform/routing/css/not-found-page.css")
+  getStyleClass.add("not-found-page")
+
+  val image = new ImageView(new Image(getClass.getResource("/one/jpro/platform/routing/images/404.png").toExternalForm))
+  val flow = new TextFlow()
+  val title = new Label("We couldn’t find a page here.")
+  val text = new Text("\n\nIt may have been moved or be temporarily unavailable.\nPlease double-check the URL, or go ")
+  val link = new Text("back to home")
+  val dot = new Text(".")
+
+  image.setFitWidth(500)
+  image.setFitHeight(175)
+
+  flow.getStyleClass.add("not-found-page-text")
+  title.getStyleClass.add("not-found-page-title")
+
+  flow.getChildren.addAll(title, text, link, dot)
+  flow.setTextAlignment(TextAlignment.CENTER)
+
+  LinkUtil.setLink(link, "/")
+
+  getChildren.add(new VBox(image, flow) {
+    getStyleClass.add("not-found-page-container")
+  })
+}