#set( $symbol_pound = '#' )
#set( $symbol_dollar = '$' )
#set( $symbol_escape = '\' )
package ${package}.beans;
import java.io.Serializable;
import java.util.Locale;
import javax.faces.bean.ManagedBean;
import javax.faces.bean.SessionScoped;
import javax.faces.context.FacesContext;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpSession;
import org.apache.log4j.Logger;
import ${package}.domain.User;
import ${package}.services.UserService.HappyfacesUserDetails;
import org.springframework.security.core.context.SecurityContext;
import org.springframework.security.core.context.SecurityContextHolder;
import org.springframework.security.core.userdetails.UserDetails;
import org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestWrapper;
/**
* Static and non static methods for session related information and actions.
*
* @author Ignas
*
*/
@ManagedBean(name = "sessionPreferences")
@SessionScoped
public class SessionPreferences implements Serializable {
/** */
private static final long serialVersionUID = 1L;
/**
* When 60 sec left start countdown for user session logout.
*/
private static final int LOGOUT_POPUP_COUNTDOWN = 60;
/** Logger. */
private static Logger log = Logger.getLogger(SessionPreferences.class.getName());
/** Locale set in application. */
private Locale locale;
/**
* Default constructor.
*/
public SessionPreferences() {
this.locale = new Locale("en");
FacesContext.getCurrentInstance().getViewRoot().setLocale(this.locale);
}
/**
* Static method to get current locale from FacesContext.
*/
public static Locale getCurrentLocale() {
return FacesContext.getCurrentInstance().getViewRoot().getLocale();
}
/**
* Non-static locale of SessionPreferences getter.
*/
public Locale getLocale() {
if (locale == null) {
changeLocale(SessionPreferences.getCurrentLocale().getLanguage());
}
return locale;
}
/**
* Change locale to different language.
*/
public void changeLocale(String language) {
locale = new Locale(language);
FacesContext.getCurrentInstance().getViewRoot().setLocale(locale);
}
/**
* Get session duration.
*/
public int getSessionDuration() {
return ((HttpSession) FacesContext.getCurrentInstance().getExternalContext().getSession(true)).getMaxInactiveInterval();
}
/**
* When 60 sec left, show session expiration popup.
*/
public int getSessionTimeoutAlertDuration() {
return LOGOUT_POPUP_COUNTDOWN;
}
/**
* Maintain session.
*/
public void keepSessionAlive() {
FacesContext.getCurrentInstance().getExternalContext().getSession(false);
}
/**
* Check if user has authority to edit. Override if specific role is
* required for different pages.
*
* @return true if edit is allowed
*/
public boolean isEditAllowed() {
return hasRole("ROLE_USER");
}
/**
* Check if user has role.
*/
private boolean hasRole(String role) {
HttpServletRequest req = (HttpServletRequest) FacesContext.getCurrentInstance().getExternalContext().getRequest();
SecurityContextHolderAwareRequestWrapper sc = new SecurityContextHolderAwareRequestWrapper(req, "");
return sc.isUserInRole(role);
}
/**
* Return authenticated user name.
*/
public static String getUserName() {
try {
UserDetails authenticatedUser = (UserDetails) ((SecurityContext) SecurityContextHolder.getContext()).getAuthentication().getPrincipal();
return authenticatedUser.getUsername();
} catch (Throwable e) {
log.error("Error getting logged in user", e);
return "authentication error";
}
}
/**
* Return currently logged in user.
*/
public static User getLoggedInUser() {
try {
HappyfacesUserDetails authenticatedUser = (HappyfacesUserDetails) ((SecurityContext) SecurityContextHolder.getContext()).getAuthentication()
.getPrincipal();
return authenticatedUser.getUser();
} catch (Throwable e) {
log.error("Error getting logged in user", e);
return null;
}
}
}