Example usage for com.vaadin.server VaadinResponse setCacheTime

Introduction

In this page you can find the example usage for com.vaadin.server VaadinResponse setCacheTime.

Prototype

public void setCacheTime(long milliseconds);

Source Link

Document

Sets cache time in milliseconds, -1 means no cache at all.

Usage

From source file:com.ejt.vaadin.loginform.LoginForm.java

License:Apache License

private void init() {
    if (initialized) {
        return;/*  w  ww  .  ja va2 s . com*/
    }

    LoginFormState state = getState();
    state.userNameFieldConnector = createUserNameField();
    state.passwordFieldConnector = createPasswordField();
    state.loginButtonConnector = createLoginButton();

    String contextPath = VaadinService.getCurrentRequest().getContextPath();
    if (contextPath.endsWith("/")) {
        contextPath = contextPath.substring(0, contextPath.length() - 1);
    }
    state.contextPath = contextPath;

    VaadinSession.getCurrent().addRequestHandler(new RequestHandler() {
        @Override
        public boolean handleRequest(VaadinSession session, VaadinRequest request, VaadinResponse response)
                throws IOException {
            if (LoginFormConnector.LOGIN_URL.equals(request.getPathInfo())) {
                response.setContentType("text/html; charset=utf-8");
                response.setCacheTime(-1);
                PrintWriter writer = response.getWriter();
                writer.append("<html>Success</html>");
                return true;
            } else {
                return false;
            }
        }
    });

    registerRpc(new LoginFormRpc() {
        @Override
        public void submitCompleted() {
            login();
        }
    });

    initialized = true;

    setContent(createContent(getUserNameField(), getPasswordField(), getLoginButton()));
}