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/**
 * Copyright (C) 2011 Ovea 
 *
 * 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.ovea.tadjin.util.web;

import com.ovea.tadjin.util.Application;

import javax.servlet.http.HttpSessionEvent;
import javax.servlet.http.HttpSessionListener;
import java.util.logging.Level;
import java.util.logging.Logger;

/**
 * @author Mathieu Carbou ([email protected])
 */
public final class PreventSessionCreation implements HttpSessionListener {

    private static final Logger LOGGER = Logger.getLogger(PreventSessionCreation.class.getName());
    private static final boolean DISABLE = !Boolean.getBoolean("enabe_session_creation");

    @Override
    public void sessionCreated(HttpSessionEvent se) {
        if (DISABLE) {
            IllegalStateException e = new IllegalStateException(Application.NAME + " - sessionCreated: " + se.getSession().getId() + ".\n== IF YOU NEED TO ENABLE SESSION CREATION, USE -Denabe_session_creation=true ==\n");
            LOGGER.log(Level.SEVERE, e.getMessage(), e);
            throw e;
        }
    }

    @Override
    public void sessionDestroyed(HttpSessionEvent se) {
    }
}