org.scenarioo.rest.application.ScenariooWebApplication.java Source code

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Here is the source code for org.scenarioo.rest.application.ScenariooWebApplication.java

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/* scenarioo-server
 * Copyright (C) 2014, scenarioo.org Development Team
 * 
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * 
 * 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.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package org.scenarioo.rest.application;

import java.io.InputStream;
import java.util.Properties;

import javax.servlet.ServletContext;
import javax.servlet.ServletContextEvent;
import javax.servlet.ServletContextListener;

import org.apache.commons.lang3.StringUtils;
import org.apache.log4j.Logger;
import org.scenarioo.business.builds.ScenarioDocuBuildsManager;
import org.scenarioo.model.configuration.Configuration;
import org.scenarioo.repository.ConfigurationRepository;
import org.scenarioo.repository.RepositoryLocator;

/**
 * Scenarioo REST Services Web Application context that initializes data on startup of server.
 */
public class ScenariooWebApplication implements ServletContextListener {

    private static final Logger LOGGER = Logger.getLogger(ScenariooWebApplication.class);

    @Override
    public void contextInitialized(final ServletContextEvent servletContextEvent) {
        LOGGER.info("====================================================");
        LOGGER.info("Scenarioo Viewer is starting up ...");
        LOGGER.info("====================================================");

        initializeApplicationVersion(servletContextEvent.getServletContext());
        loadConfiguration(servletContextEvent);

        LOGGER.info("  Updating documentation content directory (will be done asynchronously ...)");
        ScenarioDocuBuildsManager.INSTANCE.updateAllBuildsAndSubmitNewBuildsForImport();

        LOGGER.info("====================================================");
        LOGGER.info("Scenarioo Viewer started succesfully.");
        LOGGER.info("====================================================");
    }

    private void loadConfiguration(final ServletContextEvent servletContextEvent) {
        LOGGER.info("  Loading configuration ...");

        String configurationDirectory = configureConfigurationDirectoryFromServerContext(servletContextEvent);
        String configurationFilename = configureConfigurationFilenameFromServerContext(servletContextEvent);

        RepositoryLocator.INSTANCE.initializeConfigurationRepository(configurationDirectory, configurationFilename);

        ConfigurationRepository configurationRepository = RepositoryLocator.INSTANCE.getConfigurationRepository();
        final Configuration configuration = configurationRepository.getConfiguration();

        LOGGER.info("  Configuration loaded.");
        LOGGER.info("  Configured documentation content directory: " + configuration.getTestDocumentationDirPath());
    }

    private String configureConfigurationDirectoryFromServerContext(final ServletContextEvent servletContextEvent) {
        String configurationDirectory = servletContextEvent.getServletContext()
                .getInitParameter("scenariooConfigurationDirectory");
        if (StringUtils.isBlank(configurationDirectory)) {
            // Fallback to old property name:
            configurationDirectory = servletContextEvent.getServletContext()
                    .getInitParameter("configurationDirectory");
        }
        LOGGER.info("  configured configuration directory:  " + configurationDirectory);
        return configurationDirectory;
    }

    private String configureConfigurationFilenameFromServerContext(final ServletContextEvent servletContextEvent) {
        String configurationFilename = servletContextEvent.getServletContext()
                .getInitParameter("scenariooConfigurationFilename");
        if (StringUtils.isBlank(configurationFilename)) {
            // Fallback to old property name:
            configurationFilename = servletContextEvent.getServletContext()
                    .getInitParameter("configurationFilename");
        }
        if (StringUtils.isNotBlank(configurationFilename)) {
            LOGGER.info("  overriding default configuration filename config.xml with:  " + configurationFilename);
            return configurationFilename;
        }
        return null;
    }

    private void initializeApplicationVersion(final ServletContext servletContext) {
        Properties properties = new Properties();
        InputStream inputStream = servletContext.getResourceAsStream("/WEB-INF/classes/version.properties");

        if (inputStream == null) {
            LOGGER.warn("  version.properties not found, no version information available");
            ApplicationVersionHolder.INSTANCE.initialize("unknown", "unknown", "unknown", "unknown");
            return;
        }

        try {
            properties.load(inputStream);
            ApplicationVersionHolder.INSTANCE.initializeFromProperties(properties);
        } catch (Exception e) {
            ApplicationVersionHolder.INSTANCE.initialize("unknown", "unknown", "unknown", "unknown");
            e.printStackTrace();
        }

        LOGGER.info("  Version: " + ApplicationVersionHolder.INSTANCE.getApplicationVersion().getVersion());
        LOGGER.info("  Build date: " + ApplicationVersionHolder.INSTANCE.getApplicationVersion().getBuildDate());
    }

    @Override
    public void contextDestroyed(final ServletContextEvent arg0) {
        LOGGER.info("===================================================");
        LOGGER.info("Scenarioo Viewer stopped.");
        LOGGER.info("===================================================");
    }

}