org.businessmanager.startup.StartupManager.java Source code

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/*******************************************************************************
 * Copyright 2012 Christian Ternes and Thorsten Volland
 * 
 * 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.businessmanager.startup;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.businessmanager.domain.settings.ApplicationSetting;
import org.businessmanager.service.settings.ApplicationSettingsService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.ApplicationListener;
import org.springframework.context.event.ContextRefreshedEvent;
import org.springframework.stereotype.Component;

/**
 * Setup environment and other stuff here
 * 
 */
@Component
public class StartupManager implements ApplicationListener<ContextRefreshedEvent> {

    private final Log logger = LogFactory.getLog(getClass());

    private static boolean STARTUP = true;

    @Autowired
    private StorageManager storageManager;

    @Autowired
    private ApplicationSettingsService settingsService;

    @Override
    public void onApplicationEvent(ContextRefreshedEvent event) {
        if (STARTUP) {
            STARTUP = false;

            if (storageManager.isStartupScriptEnabled() && isFirstStartOfApplication()) {
                logger.info("Setup application...");

                setupDatabase();
                writeStartupFlag();

                logger.info("Setup done.");
            } else {
                logger.info("Skipping application setup");
            }
        }
    }

    private void writeStartupFlag() {
        settingsService.setApplicationSetting(ApplicationSetting.Group.SYSTEM_PREFERENCES,
                ApplicationSettingsService.GENERAL_FIRST_STARTUP, "false");
    }

    private boolean isFirstStartOfApplication() {
        String isFirstStartup = settingsService.getApplicationSettingValue(
                ApplicationSetting.Group.SYSTEM_PREFERENCES, ApplicationSettingsService.GENERAL_FIRST_STARTUP);
        if (isFirstStartup == null || "true".equalsIgnoreCase(isFirstStartup)) {
            return true;
        }
        return false;
    }

    public void setupDatabase() {
        storageManager.createDefaultEntities();
    }

}