/*
* JBoss, Home of Professional Open Source
* Copyright 2010, Red Hat Middleware LLC, and individual contributors
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* http://www.apache.org/licenses/LICENSE-2.0
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.jboss.solder.servlet.http;
import javax.enterprise.context.RequestScoped;
import javax.enterprise.inject.Instance;
import javax.inject.Inject;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpSession;
import org.jboss.solder.core.Requires;
/**
* A helper bean that can be injected to check the status of the HttpSession and acquiring it
*
* @author Nicklas Karlsson
* @author <a href="http://community.jboss.org/people/dan.j.allen">Dan Allen</a>
* @author Shane Bryzak
*/
@RequestScoped
@Requires("javax.servlet.Servlet")
public class HttpSessionStatusImpl implements HttpSessionStatus {
@Inject
private Instance<HttpServletRequest> request;
/**
* Checks whether there is an active HttpSession associated with the current request.
*
* @return Whether a valid session is associated with this request
*/
public boolean isActive() {
try {
if (!request.get().isRequestedSessionIdValid()) {
return false;
}
return request.get().getSession(false) != null;
} catch (IllegalStateException ex) {
return false;
}
}
/**
* Returns the current HttpSession associated with this request. If a session is not associated with the current request, a
* new session is first initialized.
*
* @return HttpSession The existing session, or a new session if one has not yet been created
*/
public HttpSession get() {
return request.get().getSession();
}
}