package io.undertow.util;
import io.undertow.UndertowMessages;
import io.undertow.server.HttpServerExchange;
import io.undertow.server.session.Session;
import io.undertow.server.session.SessionConfig;
import io.undertow.server.session.SessionManager;
/**
* Utility class for working with sessions.
*
* @author Stuart Douglas
*/
public class Sessions {
/**
* Gets the active session, returning null if one is not present.
* @param exchange The exchange
* @return The session
*/
public static Session getSession(final HttpServerExchange exchange) {
SessionManager sessionManager = exchange.getAttachment(SessionManager.ATTACHMENT_KEY);
SessionConfig sessionConfig = exchange.getAttachment(SessionConfig.ATTACHMENT_KEY);
if(sessionManager == null) {
throw UndertowMessages.MESSAGES.sessionManagerNotFound();
}
return sessionManager.getSession(exchange, sessionConfig);
}
/**
* Gets the active session, creating a new one if one does not exist
* @param exchange The exchange
* @return The session
*/
public static Session getOrCreateSession(final HttpServerExchange exchange) {
SessionManager sessionManager = exchange.getAttachment(SessionManager.ATTACHMENT_KEY);
SessionConfig sessionConfig = exchange.getAttachment(SessionConfig.ATTACHMENT_KEY);
if(sessionManager == null) {
throw UndertowMessages.MESSAGES.sessionManagerNotFound();
}
Session session = sessionManager.getSession(exchange, sessionConfig);
if(session == null) {
session = sessionManager.createSession(exchange, sessionConfig);
}
return session;
}
private Sessions () {}
}