/*********************************************************************************************************************************
 * Autorskie Prawa Majątkowe - Moose Spółka z ograniczoną odpowiedzialnością
 * Copyright 2019 Moose Spółka z ograniczoną odpowiedzialnością
 ********************************************************************************************************************************/

package eu.mooseinc.documents.explorer.bean;

import java.io.IOException;
import java.security.Principal;
import javax.faces.bean.ManagedBean;
import javax.faces.bean.SessionScoped;
import javax.faces.context.FacesContext;

/**
 * Bean for operations related to users.
 */
@SessionScoped
@ManagedBean(name = "UserBean")
public class UserBean {

	/**
	 * Gets the username from the faces context.
	 *
	 * @return Name of the currently authenticated user.
	 */
	public String getUserName() {
		final Principal principal = FacesContext.getCurrentInstance().getExternalContext().getUserPrincipal();

		return principal != null ? principal.getName() : "";
	}

	/**
	 * Logs out the user.
	 *
	 * @throws IOException Exception thrown during redirection.
	 */
	public void logout() throws IOException {
		FacesContext.getCurrentInstance().getExternalContext().invalidateSession();
		FacesContext.getCurrentInstance().getExternalContext().redirect("index.jsp");
	}
}