Java web applications
that stand the test of time.

public class TaskPanel extends Panel {
    @Inject
    private TaskService taskService;

    public TaskPanel(String id) {
        super(id);
        Task task = new Task();

        Form<Task> form = new Form<>("form");
        form.add(new TextField<>("title",
            LambdaModel.of(task::getTitle, task::setTitle)));
        form.add(new AjaxButton("save") {
            @Override
            protected void onSubmit(AjaxRequestTarget target) {
                taskService.save(task);
                success("Saved!");
                target.add(feedback);
            }
        });
        add(form);
    }
}

<wicket:panel>
  <form wicket:id="form">
    <input wicket:id="title"
           type="text"
           placeholder="Task title" />
    <button wicket:id="save">Save</button>
  </form>
  <div wicket:id="feedback"></div>
</wicket:panel>