header.xhtml

<ui:composition
        xmlns="http://www.w3.org/1999/xhtml"
        xmlns:h="http://xmlns.jcp.org/jsf/html"
        xmlns:ui="http://java.sun.com/jsf/facelets">

    <h:form>
        <div class="navbar navbar-inverse navbar-fixed-top">
            <div class="container">
                <div class="navbar-header">
                    <button type="button" class="navbar-toggle" data-toggle="collapse"
                            data-target=".navbar-collapse">
                        <span class="icon-bar"></span>
                        <span class="icon-bar"></span>
                    </button>
                    <h:commandLink action="/index.xhtml" value="Encryption Web 2"
                                   styleClass="navbar-brand"/>
                </div>
                <div class="navbar-collapse collapse">
                    <ul class="nav navbar-nav navbar-right">
                        <li>
                            <h:commandLink action="#{someBean.form}" value="Hash"/>
                        </li>
                    </ul>
                </div>
            </div>
        </div>
    </h:form>
</ui:composition>