| :index-group: Frameworks |
| :jbake-type: page |
| :jbake-status: published |
| |
| == Vaadin V8 (LTS) - Simple WebApp in Java |
| |
| This demo will show how to start with a simple Vaadin V8 webapp, based |
| on pure Java API running on TomEE (webprofile) |
| |
| The Vaadin Framework is OpenSource and available at |
| https://github.com/vaadin/framework[Github] |
| |
| === Build this example |
| |
| To build this example, just run _mvn clean install tomee:run_ You will |
| find the app running under http://localhost:8080/ |
| |
| === Implementation |
| |
| This implementation is using the https://vaadin.com/framework[Vaadin 8 |
| API]. |
| |
| [source,java] |
| ---- |
| public class HelloVaadin { |
| |
| public static class MyUI extends UI { |
| @Override |
| protected void init(VaadinRequest request) { |
| |
| //create the components you want to use |
| // and set the main component with setContent(..) |
| final Layout layout = new VerticalLayout(); |
| layout |
| .addComponent(new Button("click me", |
| event -> layout.addComponents(new Label("clicked again")) |
| )); |
| |
| //set the main Component |
| setContent(layout); |
| } |
| |
| @WebServlet("/*") |
| @VaadinServletConfiguration(productionMode = false, ui = MyUI.class) |
| public static class MyProjectServlet extends VaadinServlet { } |
| } |
| } |
| ---- |
| |
| The documentation of the Vaadin Framework is available |
| https://vaadin.com/docs/v8/framework/tutorial.html[here] |
| |
| === Support Information’s |
| |
| Vaadin Framework 8 is the latest version based on GWT. V8 itself is a |
| LTS version. |
| |
| The new Vaadin Platform is based on WebComponents. As of Vaadin 10, |
| Vaadin is moving to a release train model with four major releases every |
| year. This allows them to ship new features faster to developers. Vaadin |
| is continuing their commitment to long-term stability with long-term |
| support (LTS) releases. The LTS releases will come out approximately |
| every two years and offer 5 years of support. |