/*
   Copyright (c) 2005 The European Bioinformatics Institute, and others.
   All rights reserved. Please see the file LICENSE
   in the root directory of this distribution.
   */
   package uk.ac.ebi.intenz.tools.sib;
   
   import org.apache.log4j.Logger;
   
  import java.util.PropertyResourceBundle;
  import java.io.InputStream;
  import java.io.IOException;
  import java.io.FileInputStream;
  
  
  /**
   * ApplicationResources provides various property resources required to
   * run the applications.<br/>
   * The application will not run unless their is a file called
   * <em>application.properties</em>. In it the following properties are
   * required.<br/>
   * application.export.fileName<br/>
   * application.input.fileName<br/>
   * application.db.config<br/>
   * application.xml.file<br/>
   *
   * @author P. de Matos
   * @version $id 19-Jul-2005 13:50:34
   *          <p/>
   *          History:<br>
   *          <table>
   *          <tr><th>Developer</th><th>Date</th><th>Description</th></tr>
   *          <tr><td>P.de Matos</td><td>19-Jul-2005</td><td>Created class</td></tr>
   *          </table>
   */
  public class ApplicationResources extends PropertyResourceBundle {
  
     private static Logger LOGGER =
  	   Logger.getLogger(ApplicationResources.class.getName());
  
     static ApplicationResources resources;
  
     /**
      * Creates a property resource bundle.
      *
      * @param stream property file to read from.
      */
     private ApplicationResources (InputStream stream) throws IOException {
        super(stream);
     }
  
     /**
      * Singleton method to create a single instance of the application
      * resources.<br/>
      * The system will exit if the application resources is unable to be created.<br/>
      * @return
      */
     public static ApplicationResources getInstance () {
        if ( resources == null ) {
           synchronized ( ApplicationResources.class ) {
              if ( resources == null ) {
                 try {
  				   //FileInputStream in = new FileInputStream(
                     //     ApplicationResources.class.getClassLoader().getResource("application.properties").getPath());
  				   InputStream in = ApplicationResources.class.getClassLoader()
  					   .getResourceAsStream("application.properties");
                    resources = new ApplicationResources(in);
                 } catch ( IOException e ) {
                    LOGGER.fatal("Application properties file could not be loaded.", e);
                    System.exit(1);
                 }
              }
           }
        }
        return resources;
     }
  
     // GETTERS //
  
     public String getDbUrl(){
         return resources.getString("application.db.url");
     }
  
     public String getDbUserName(){
        return resources.getString("application.db.login");
     }
  
     public String getDbPassword(){
        return resources.getString("application.db.password");
     }
  
      public String getDbConfig(){
          return resources.getString("application.db.config");
      }
  
     public String getInputFlatFileName(){
        return resources.getString("application.input.fileName");
     }
  
    public String getExportFlatFileName(){
       return resources.getString("application.export.fileName");
    }
 
    public String getSpecialCharactersFileName(){
       return resources.getString("application.xml.file");
    }
 
 }