/**
 * <copyright> Copyright (c) 2006 by Know-Center, Graz, Austria </copyright>
 * 
 * This software is the confidential and proprietary information of Know-Center,
 * Graz, Austria. You shall not disclose such Confidential Information and shall
 * use it only in accordance with the terms of the license agreement you entered
 * into with Know-Center.
 * 
 * KNOW-CENTER MAKES NO REPRESENTATIONS OR WARRANTIES ABOUT THE SUITABILITY OF
 * THE SOFTWARE, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR
 * NON-INFRINGEMENT. KNOW-CENTER SHALL NOT BE LIABLE FOR ANY DAMAGES SUFFERED BY
 * LICENSEE AS A RESULT OF USING, MODIFYING OR DISTRIBUTING THIS SOFTWARE OR ITS
 * DERIVATIVES.
 * 
 * $Id: PdfASServletContextListener.java,v 1.3 2006/10/31 08:22:04 wprinz Exp $
 */
package at.knowcenter.wag.egov.egiz.web;

import java.io.File;
import java.io.IOException;

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

import org.apache.log4j.Logger;
import org.apache.log4j.PropertyConfigurator;

import at.knowcenter.wag.egov.egiz.cfg.ConfigLogger;
import at.knowcenter.wag.egov.egiz.cfg.SettingsReader;

/**
 * The ServletContextListener is notified when the webapplication starts up and shuts down.
 * 
 * <p>
 * Maintainance work is performed.
 * </p>
 * 
 * @author wprinz
 */
public class PdfASServletContextListener implements ServletContextListener
{
  /**
   * The logger.
   */
  private static final Logger logger = ConfigLogger.getLogger(PdfASServletContextListener.class);

  /**
   * @see javax.servlet.ServletContextListener#contextInitialized(javax.servlet.ServletContextEvent)
   */
  public void contextInitialized(ServletContextEvent sce)
  {
    logger.info("PDF-AS Context init"); //$NON-NLS-1$
    
    String work_dir = sce.getServletContext().getInitParameter("work-dir"); //$NON-NLS-1$
    logger.info("PDF-AS work-dir context parameter = " + work_dir); //$NON-NLS-1$
    
    String base_dir = sce.getServletContext().getRealPath("/"); //$NON-NLS-1$
    logger.info("PDF-AS real path = " + base_dir); //$NON-NLS-1$

    try
    {
      logger.info("PDF-AS work directory = " + new File(work_dir).getCanonicalPath()); //$NON-NLS-1$
      logger.info("PDF-AS base directory = " + new File(base_dir).getCanonicalPath()); //$NON-NLS-1$
    }
    catch (IOException e)
    {
      e.printStackTrace();
    }
    
    if (work_dir != null && work_dir.length() > 0)
    {
      logger.info("The PDF-AS work-dir context parameter is present (and not empty).");
      base_dir = work_dir;
    }
    logger.info("The PDF-AS application will be initialized for the directory: " + base_dir);
    
    SettingsReader.initializeForWeb(base_dir);
    PropertyConfigurator.configure(SettingsReader.CONFIG_PATH + "log4j.properties");

    SettingsReader.clearTemporaryDirectory();
  }

  /**
   * @see javax.servlet.ServletContextListener#contextDestroyed(javax.servlet.ServletContextEvent)
   */
  public void contextDestroyed(ServletContextEvent sce)
  {
    SettingsReader.clearTemporaryDirectory();
    logger.info("PDF-AS Context exit"); //$NON-NLS-1$
  }
}