/*
    * This file is a part of the SchemaSpy project (http://schemaspy.sourceforge.net).
    * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010 John Currier
    *
    * SchemaSpy is free software; you can redistribute it and/or
    * modify it under the terms of the GNU Lesser General Public
    * License as published by the Free Software Foundation; either
    * version 2.1 of the License, or (at your option) any later version.
    *
   * SchemaSpy 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
   * Lesser General Public License for more details.
   *
   * You should have received a copy of the GNU Lesser General Public
   * License along with this library; if not, write to the Free Software
   * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
   */
  package net.sourceforge.schemaspy;
  
  import java.io.BufferedReader;
  import java.io.File;
  import java.io.FileReader;
  import java.io.FileWriter;
  import java.io.IOException;
  import java.io.InputStream;
  import java.io.InputStreamReader;
  
  /**
   * @author John Currier
   */
  public class Revision {
      private static String rev = "Unknown";
      private static final String resourceName = "/schemaSpy.rev";
  
      static {
          initialize();
      }
  
      private static void initialize() {
          InputStream in = null;
          BufferedReader reader = null;
  
          try {
              in = Revision.class.getResourceAsStream(resourceName);
  
              if (in != null) {
                  reader = new BufferedReader(new InputStreamReader(in));
                  try {
                      rev = reader.readLine();
                  } catch (IOException exc) {
                  }
              }
          } finally {
              try {
                  if (reader != null)
                      reader.close();
                  else if (in != null)
                      in.close();
              } catch (IOException ignore) {}
          }
      }
  
      @Override
      public String toString() {
          return rev;
      }
  
      public static void main(String[] args) throws IOException {
          File entriesFile = new File(".svn", "entries");
          BufferedReader entries = new BufferedReader(new FileReader(entriesFile));
          entries.readLine(); // lines
          entries.readLine(); // blank
          entries.readLine(); // type
          String revision = entries.readLine(); // rev
          entries.close();
  
          String buildDir = "output";
          if (args.length < 1)
              buildDir = args[0];
          File revFile = new File(buildDir, resourceName);
          FileWriter out = new FileWriter(revFile);
          out.write(revision);
          out.close();
  
          initialize();
          System.out.println("Subversion revision " + new Revision());
      }
  }