Java Code Examples for javax.faces.context.ExternalContext#getSession()

@Override
public String getDescription(boolean includeClientInfo) {
	ExternalContext externalContext = getExternalContext();
	StringBuilder sb = new StringBuilder();
	sb.append("context=").append(externalContext.getRequestContextPath());
	if (includeClientInfo) {
		Object session = externalContext.getSession(false);
		if (session != null) {
			sb.append(";session=").append(getSessionId());
		}
		String user = externalContext.getRemoteUser();
		if (StringUtils.hasLength(user)) {
			sb.append(";user=").append(user);
		}
	}
	return sb.toString();
}
 

@Override
public String getDescription(boolean includeClientInfo) {
	ExternalContext externalContext = getExternalContext();
	StringBuilder sb = new StringBuilder();
	sb.append("context=").append(externalContext.getRequestContextPath());
	if (includeClientInfo) {
		Object session = externalContext.getSession(false);
		if (session != null) {
			sb.append(";session=").append(getSessionId());
		}
		String user = externalContext.getRemoteUser();
		if (StringUtils.hasLength(user)) {
			sb.append(";user=").append(user);
		}
	}
	return sb.toString();
}
 

@Override
public String getDescription(boolean includeClientInfo) {
	ExternalContext externalContext = getExternalContext();
	StringBuilder sb = new StringBuilder();
	sb.append("context=").append(externalContext.getRequestContextPath());
	if (includeClientInfo) {
		Object session = externalContext.getSession(false);
		if (session != null) {
			sb.append(";session=").append(getSessionId());
		}
		String user = externalContext.getRemoteUser();
		if (StringUtils.hasLength(user)) {
			sb.append(";user=").append(user);
		}
	}
	return sb.toString();
}
 

@Override
public String getDescription(boolean includeClientInfo) {
	ExternalContext externalContext = getExternalContext();
	StringBuilder sb = new StringBuilder();
	sb.append("context=").append(externalContext.getRequestContextPath());
	if (includeClientInfo) {
		Object session = externalContext.getSession(false);
		if (session != null) {
			sb.append(";session=").append(getSessionId());
		}
		String user = externalContext.getRemoteUser();
		if (StringUtils.hasLength(user)) {
			sb.append(";user=").append(user);
		}
	}
	return sb.toString();
}
 

public static void removeAttribute(String name, ExternalContext externalContext) {
	Object session = externalContext.getSession(false);
	if (session instanceof PortletSession) {
		((PortletSession) session).removeAttribute(name, PortletSession.APPLICATION_SCOPE);
	}
	else if (session != null) {
		externalContext.getSessionMap().remove(name);
	}
}
 

/**
 * Handle the navigation
 * 
 * @param context
 *        The Faces context.
 * @param fromAction
 *        The action string that triggered the action.
 * @param outcome
 *        The logical outcome string, which is the new tool mode, or if null, the mode does not change.
 */
public void handleNavigation(FacesContext context, String fromAction, String outcome)
{
	m_chain.handleNavigation(context, fromAction, outcome);		
	
	ExternalContext exContext = context.getExternalContext();
   HttpSession session = (HttpSession) exContext.getSession(false);

   if (session == null){
     return;
   }
	
	// add previous navigationString (outcome) to session
	session.setAttribute("MC_PREVIOUS_NAV", outcome);
}
 

public static String[] getAttributeNames(ExternalContext externalContext) {
	Object session = externalContext.getSession(false);
	if (session instanceof PortletSession) {
		return StringUtils.toStringArray(
				((PortletSession) session).getAttributeNames(PortletSession.APPLICATION_SCOPE));
	}
	else if (session != null) {
		return StringUtils.toStringArray(externalContext.getSessionMap().keySet());
	}
	else {
		return new String[0];
	}
}
 

public static void removeAttribute(String name, ExternalContext externalContext) {
	Object session = externalContext.getSession(false);
	if (session instanceof PortletSession) {
		((PortletSession) session).removeAttribute(name, PortletSession.APPLICATION_SCOPE);
	}
	else if (session != null) {
		externalContext.getSessionMap().remove(name);
	}
}
 

public static void setAttribute(String name, Object value, ExternalContext externalContext) {
	Object session = externalContext.getSession(true);
	if (session instanceof PortletSession) {
		((PortletSession) session).setAttribute(name, value, PortletSession.APPLICATION_SCOPE);
	}
	else {
		externalContext.getSessionMap().put(name, value);
	}
}
 

public static Object getAttribute(String name, ExternalContext externalContext) {
	Object session = externalContext.getSession(false);
	if (session instanceof PortletSession) {
		return ((PortletSession) session).getAttribute(name, PortletSession.APPLICATION_SCOPE);
	}
	else if (session != null) {
		return externalContext.getSessionMap().get(name);
	}
	else {
		return null;
	}
}
 

public static String[] getAttributeNames(ExternalContext externalContext) {
	Object session = externalContext.getSession(false);
	if (session instanceof PortletSession) {
		return StringUtils.toStringArray(
				((PortletSession) session).getAttributeNames(PortletSession.APPLICATION_SCOPE));
	}
	else if (session != null) {
		return StringUtils.toStringArray(externalContext.getSessionMap().keySet());
	}
	else {
		return new String[0];
	}
}
 

/**
 * Handle the navigation
 * 
 * @param context
 *        The Faces context.
 * @param fromAction
 *        The action string that triggered the action.
 * @param outcome
 *        The logical outcome string, which is the new tool mode, or if null, the mode does not change.
 */
public void handleNavigation(FacesContext context, String fromAction, String outcome)
{
	m_chain.handleNavigation(context, fromAction, outcome);		
	
	ExternalContext exContext = context.getExternalContext();
   HttpSession session = (HttpSession) exContext.getSession(false);

   if (session == null){
     return;
   }
	
	// add previous navigationString (outcome) to session
	session.setAttribute("MC_PREVIOUS_NAV", outcome);
}
 

public static Object getAttribute(String name, ExternalContext externalContext) {
	Object session = externalContext.getSession(false);
	if (session instanceof PortletSession) {
		return ((PortletSession) session).getAttribute(name, PortletSession.APPLICATION_SCOPE);
	}
	else if (session != null) {
		return externalContext.getSessionMap().get(name);
	}
	else {
		return null;
	}
}
 

@Override
public Object getSessionMutex() {
	// Enforce presence of a session first to allow listeners to create the mutex attribute
	ExternalContext externalContext = getExternalContext();
	Object session = externalContext.getSession(true);
	Object mutex = externalContext.getSessionMap().get(WebUtils.SESSION_MUTEX_ATTRIBUTE);
	if (mutex == null) {
		mutex = (session != null ? session : externalContext);
	}
	return mutex;
}
 

@Override
public Object getSessionMutex() {
	// Enforce presence of a session first to allow listeners to create the mutex attribute
	ExternalContext externalContext = getExternalContext();
	Object session = externalContext.getSession(true);
	Object mutex = externalContext.getSessionMap().get(WebUtils.SESSION_MUTEX_ATTRIBUTE);
	if (mutex == null) {
		mutex = (session != null ? session : externalContext);
	}
	return mutex;
}
 

@Override
public Object getSessionMutex() {
	// Enforce presence of a session first to allow listeners to create the mutex attribute
	ExternalContext externalContext = getExternalContext();
	Object session = externalContext.getSession(true);
	Object mutex = externalContext.getSessionMap().get(WebUtils.SESSION_MUTEX_ATTRIBUTE);
	if (mutex == null) {
		mutex = (session != null ? session : externalContext);
	}
	return mutex;
}
 

/**
 * Return the best available mutex for the given session:
 * that is, an object to synchronize on for the given session.
 * <p>Returns the session mutex attribute if available; usually,
 * this means that the HttpSessionMutexListener needs to be defined
 * in {@code web.xml}. Falls back to the Session reference itself
 * if no mutex attribute found.
 * <p>The session mutex is guaranteed to be the same object during
 * the entire lifetime of the session, available under the key defined
 * by the {@code SESSION_MUTEX_ATTRIBUTE} constant. It serves as a
 * safe reference to synchronize on for locking on the current session.
 * <p>In many cases, the Session reference itself is a safe mutex
 * as well, since it will always be the same object reference for the
 * same active logical session. However, this is not guaranteed across
 * different servlet containers; the only 100% safe way is a session mutex.
 * @param fc the FacesContext to find the session mutex for
 * @return the mutex object (never {@code null})
 * @see org.springframework.web.util.WebUtils#SESSION_MUTEX_ATTRIBUTE
 * @see org.springframework.web.util.HttpSessionMutexListener
 */
@Nullable
public static Object getSessionMutex(FacesContext fc) {
	Assert.notNull(fc, "FacesContext must not be null");
	ExternalContext ec = fc.getExternalContext();
	Object mutex = ec.getSessionMap().get(WebUtils.SESSION_MUTEX_ATTRIBUTE);
	if (mutex == null) {
		mutex = ec.getSession(true);
	}
	return mutex;
}
 

/**
 * Return the best available mutex for the given session:
 * that is, an object to synchronize on for the given session.
 * <p>Returns the session mutex attribute if available; usually,
 * this means that the HttpSessionMutexListener needs to be defined
 * in {@code web.xml}. Falls back to the Session reference itself
 * if no mutex attribute found.
 * <p>The session mutex is guaranteed to be the same object during
 * the entire lifetime of the session, available under the key defined
 * by the {@code SESSION_MUTEX_ATTRIBUTE} constant. It serves as a
 * safe reference to synchronize on for locking on the current session.
 * <p>In many cases, the Session reference itself is a safe mutex
 * as well, since it will always be the same object reference for the
 * same active logical session. However, this is not guaranteed across
 * different servlet containers; the only 100% safe way is a session mutex.
 * @param fc the FacesContext to find the session mutex for
 * @return the mutex object (never {@code null})
 * @see org.springframework.web.util.WebUtils#SESSION_MUTEX_ATTRIBUTE
 * @see org.springframework.web.util.HttpSessionMutexListener
 */
public static Object getSessionMutex(FacesContext fc) {
	Assert.notNull(fc, "FacesContext must not be null");
	ExternalContext ec = fc.getExternalContext();
	Object mutex = ec.getSessionMap().get(WebUtils.SESSION_MUTEX_ATTRIBUTE);
	if (mutex == null) {
		mutex = ec.getSession(true);
	}
	return mutex;
}
 

/**
 * Return the best available mutex for the given session:
 * that is, an object to synchronize on for the given session.
 * <p>Returns the session mutex attribute if available; usually,
 * this means that the HttpSessionMutexListener needs to be defined
 * in {@code web.xml}. Falls back to the Session reference itself
 * if no mutex attribute found.
 * <p>The session mutex is guaranteed to be the same object during
 * the entire lifetime of the session, available under the key defined
 * by the {@code SESSION_MUTEX_ATTRIBUTE} constant. It serves as a
 * safe reference to synchronize on for locking on the current session.
 * <p>In many cases, the Session reference itself is a safe mutex
 * as well, since it will always be the same object reference for the
 * same active logical session. However, this is not guaranteed across
 * different servlet containers; the only 100% safe way is a session mutex.
 * @param fc the FacesContext to find the session mutex for
 * @return the mutex object (never {@code null})
 * @see org.springframework.web.util.WebUtils#SESSION_MUTEX_ATTRIBUTE
 * @see org.springframework.web.util.HttpSessionMutexListener
 */
public static Object getSessionMutex(FacesContext fc) {
	Assert.notNull(fc, "FacesContext must not be null");
	ExternalContext ec = fc.getExternalContext();
	Object mutex = ec.getSessionMap().get(WebUtils.SESSION_MUTEX_ATTRIBUTE);
	if (mutex == null) {
		mutex = ec.getSession(true);
	}
	return mutex;
}
 

/**
 * Return the best available mutex for the given session:
 * that is, an object to synchronize on for the given session.
 * <p>Returns the session mutex attribute if available; usually,
 * this means that the HttpSessionMutexListener needs to be defined
 * in {@code web.xml}. Falls back to the Session reference itself
 * if no mutex attribute found.
 * <p>The session mutex is guaranteed to be the same object during
 * the entire lifetime of the session, available under the key defined
 * by the {@code SESSION_MUTEX_ATTRIBUTE} constant. It serves as a
 * safe reference to synchronize on for locking on the current session.
 * <p>In many cases, the Session reference itself is a safe mutex
 * as well, since it will always be the same object reference for the
 * same active logical session. However, this is not guaranteed across
 * different servlet containers; the only 100% safe way is a session mutex.
 * @param fc the FacesContext to find the session mutex for
 * @return the mutex object (never {@code null})
 * @see org.springframework.web.util.WebUtils#SESSION_MUTEX_ATTRIBUTE
 * @see org.springframework.web.util.HttpSessionMutexListener
 */
@Nullable
public static Object getSessionMutex(FacesContext fc) {
	Assert.notNull(fc, "FacesContext must not be null");
	ExternalContext ec = fc.getExternalContext();
	Object mutex = ec.getSessionMap().get(WebUtils.SESSION_MUTEX_ATTRIBUTE);
	if (mutex == null) {
		mutex = ec.getSession(true);
	}
	return mutex;
}