Getting Liferay Signed in user in XHTML

Check the session is signed in in XHTML

#{facesContext.externalContext.requestMap['THEME_DISPLAY'].signedIn}

Get the signed in user in XHTML

#{facesContext.externalContext.requestMap['THEME_DISPLAY'].user}

Get the signed in user's properties in XHTML

#{facesContext.externalContext.requestMap['THEME_DISPLAY'].fullName}

#{facesContext.externalContext.requestMap['THEME_DISPLAY'].lastLoginDate}