/*
 * Copyright (c) 2008-2012, Hazel Bilisim Ltd. All Rights Reserved.
 *
 * 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 com.hazelcast.web.tomcat;

import com.hazelcast.core.IMap;
import org.apache.catalina.Session;
import org.apache.catalina.session.StandardManager;
import org.apache.catalina.session.StandardSession;
import org.apache.juli.logging.Log;
import org.apache.juli.logging.LogFactory;

import java.io.IOException;

/**
 * @author ali
 */

public class HazelcastManager extends StandardManager {

    private final Log log = LogFactory.getLog(HazelcastManager.class);

    /**
     * The descriptive information string for this implementation.
     */
    private static final String info = "HazelManager/1.0";

    /**
     * The descriptive name of this Manager implementation (for logging).
     */
    protected static String name = "HazelManager";

    public String getInfo() {
        return info;
    }

    /**
     * Get new session class to be used in the doLoad() method.
     */
    protected StandardSession getNewSession() {
        return new HazelcastSession(this);
    }

    @Override
    public Session findSession(String id) throws IOException {
        Session session = super.findSession(id);
        if (session != null) {
            return session;
        }
        final IMap<String, HazelcastAttribute> sessionAttrMap = HazelcastClusterSupport.get().getAttributesMap();
        HazelcastAttribute mark = sessionAttrMap.get(id + "_" + HazelcastSession.SESSION_MARK);
        if (mark != null && mark.getValue() != null) {
            session = createSession(id);
        }
        return session;
    }
}