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/*
 * Copyright (C) 2012-2022 52°North Spatial Information Research GmbH
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 as published
 * by the Free Software Foundation.
 *
 * If the program is linked with libraries which are licensed under one of
 * the following licenses, the combination of the program with the linked
 * library is not considered a "derivative work" of the program:
 *
 *     - Apache License, version 2.0
 *     - Apache Software License, version 1.0
 *     - GNU Lesser General Public License, version 3
 *     - Mozilla Public License, versions 1.0, 1.1 and 2.0
 *     - Common Development and Distribution License (CDDL), version 1.0
 *
 * Therefore the distribution of the program linked with libraries licensed
 * under the aforementioned licenses, is permitted by the copyright holders
 * if the distribution is compliant with both the GNU General Public
 * License version 2 and the aforementioned licenses.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
 * Public License for more details.
 */
package org.n52.sos.web.admin;

import javax.inject.Inject;

import org.n52.faroe.SettingType;
import org.n52.faroe.SettingValue;
import org.n52.faroe.SettingsService;
import org.n52.sos.context.ContextSwitcher;
import org.n52.sos.service.DriverCleanupListener;

public class AbstractReloadContextController
        extends
        AbstractAdminController {

    @Inject
    private ContextSwitcher contextSwitcher;

    @Inject
    private SettingsService settingsManager;

    protected void reloadContext() {
        SettingValue deregisterJdbcDriverSetting = getDeregisterJdbcDriverSetting();
        boolean changed = false;
        if (deregisterJdbcDriverSetting != null && deregisterJdbcDriverSetting.getType().equals(SettingType.BOOLEAN)
                && ((Boolean) deregisterJdbcDriverSetting.getValue())) {
            changed = true;
            switchDeregisterJdbcDriverSettingValue(deregisterJdbcDriverSetting);
        }
        this.contextSwitcher.reloadContext();
        if (changed) {
            switchDeregisterJdbcDriverSettingValue(deregisterJdbcDriverSetting);
        }
    }

    private void switchDeregisterJdbcDriverSettingValue(SettingValue sv) {
        sv.setValue(!((Boolean) sv.getValue()));
        settingsManager.changeSetting(sv);
    }

    private SettingValue getDeregisterJdbcDriverSetting() {
        return settingsManager.getSetting(DriverCleanupListener.DEREGISTER_JDBC_DRIVER);
    }

}