001/*
002 * (C) Copyright 2006-2011 Nuxeo SA (http://nuxeo.com/) and others.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 *     http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 *
016 * Contributors:
017 *     bstefanescu
018 */
019package org.nuxeo.ecm.webengine.jaxrs.session.impl;
020
021import javax.servlet.http.HttpServletRequest;
022
023import org.nuxeo.ecm.core.api.CloseableCoreSession;
024import org.nuxeo.ecm.core.api.CoreSession;
025import org.nuxeo.ecm.webengine.jaxrs.session.CoreSessionProvider;
026import org.nuxeo.ecm.webengine.jaxrs.session.SessionRef;
027import org.nuxeo.ecm.webengine.jaxrs.session.impl.PerRequestCoreProvider.Ref;
028
029/**
030 * @author <a href="mailto:bs@nuxeo.com">Bogdan Stefanescu</a>
031 */
032public class PerRequestCoreProvider extends CoreSessionProvider<Ref> {
033
034    public static class Ref implements SessionRef {
035        protected CloseableCoreSession session;
036
037        public Ref(CloseableCoreSession session) {
038            this.session = session;
039        }
040
041        @Override
042        public CoreSession get() {
043            return session;
044        }
045
046        @Override
047        public void unget() {
048            // do nothing
049        }
050
051        public void destroy() {
052            try {
053                session.close();
054            } finally {
055                session = null;
056            }
057        }
058    }
059
060    @Override
061    protected void onRequestDone(HttpServletRequest request) {
062        // destroy all sessions created during this request
063        if (!sessions.isEmpty()) {
064            for (SessionRef ref : getSessions()) {
065                ref.destroy();
066            }
067        }
068        sessions = null;
069    }
070
071    @Override
072    protected Ref createSessionRef(CloseableCoreSession session) {
073        return new Ref(session);
074    }
075
076}