Example usage for com.vaadin.server VaadinServletRequest getParameter

Introduction

In this page you can find the example usage for com.vaadin.server VaadinServletRequest getParameter.

Prototype

public String getParameter(String parameter);

Source Link

Document

Gets the named request parameter This is typically a HTTP GET or POST parameter, though other request types might have other ways of representing parameters.

Usage

From source file:org.lucidj.vaadinui.BaseVaadinUI.java

License:Apache License

private void init_desktop(VaadinRequest vaadinRequest) {
    Responsive.makeResponsive(this);
    setLocale(vaadinRequest.getLocale());

    if (vaadinRequest instanceof VaadinServletRequest) {
        VaadinServletRequest vsr = (VaadinServletRequest) vaadinRequest;
        InetAddress remote_addr = null;

        // TODO: USE AUTOMATIC KEY AUTHENTICATION FOR SINGLE MODE
        try {/*  w  w w.jav  a2s.c o  m*/
            remote_addr = InetAddress.getByName(vsr.getRemoteAddr());
        } catch (UnknownHostException ignore) {
        }
        ;

        // Login tokens may be used only when browsing from the same machine
        if (remote_addr != null && remote_addr.isLoopbackAddress()
                && Login.isValidLoginToken(vsr.getParameter("token"))) {
            // Autologin into System when browsing from localhost
            log.warn("Automatic login from localhost using login token");
            security.createSystemSubject();

            // Erase the token from URL
            getPage().getJavaScript().execute("window.lucidj_vaadin_helper.clearUrl ()");
        }
    }

    if (!security.getSubject().isAuthenticated()) {
        setContent(new Login(security, new Login.LoginListener() {
            @Override
            public void loginSuccessful() {
                show_desktop();
            }
        }));
    } else {
        show_desktop();
    }
}

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