//
   //  ========================================================================
   //  Copyright (c) 1995-2016 Mort Bay Consulting Pty. Ltd.
   //  ------------------------------------------------------------------------
   //  All rights reserved. This program and the accompanying materials
   //  are made available under the terms of the Eclipse Public License v1.0
   //  and Apache License v2.0 which accompanies this distribution.
   //
   //      The Eclipse Public License is available at
  //      http://www.eclipse.org/legal/epl-v10.html
  //
  //      The Apache License v2.0 is available at
  //      http://www.opensource.org/licenses/apache2.0.php
  //
  //  You may elect to redistribute this code under either of these licenses.
  //  ========================================================================
  //
  
  package org.eclipse.jetty.quickstart;
  
  import java.util.Locale;
  
  import org.eclipse.jetty.server.Server;
  import org.eclipse.jetty.util.log.Log;
  import org.eclipse.jetty.util.log.Logger;
  import org.eclipse.jetty.util.resource.JarResource;
  import org.eclipse.jetty.util.resource.Resource;
  import org.eclipse.jetty.xml.XmlConfiguration;
  
  public class PreconfigureQuickStartWar
  {
      private static final Logger LOG = Log.getLogger(PreconfigureQuickStartWar.class);
      static final boolean ORIGIN=LOG.isDebugEnabled();
      
      public static void main(String... args) throws Exception
      {
          Resource war = null;
          Resource dir = null;
          Resource xml = null;
  
          switch (args.length)
          {
              case 0:
                  error("No WAR file or directory given");
                  break;
  
              case 1:
                  dir = Resource.newResource(args[0]);
                  break;
  
              case 2:
                  war = Resource.newResource(args[0]);
                  if (war.isDirectory())
                  {
                      dir = war;
                      war = null;
                      xml = Resource.newResource(args[1]);
                  }
                  else
                  {
                      dir = Resource.newResource(args[1]);
                  }
  
                  break;
  
              case 3:
                  war = Resource.newResource(args[0]);
                  dir = Resource.newResource(args[1]);
                  xml = Resource.newResource(args[2]);
                  break;
  
              default:
                  error("Too many args");
                  break;
          }
  
          
          preconfigure(war,dir,xml);
      }
  
      /**
       * @param war The war (or directory) to preconfigure
       * @param dir The directory to expand the war into (or null if war is a directory)
       * @param xml A context XML to apply (or null if none)
       * @throws Exception if unable to pre configure
       */
      public static void preconfigure(Resource war, Resource dir, Resource xml) throws Exception 
      {
          // Do we need to unpack a war?
          if (war != null)
          {
              if (war.isDirectory())
                  error("war file is directory");
  
              if (!dir.exists())
                  dir.getFile().mkdirs();
              JarResource.newJarResource(war).copyTo(dir.getFile());
          }
          
         final Server server = new Server();
 
         QuickStartWebApp webapp = new QuickStartWebApp();
 
         if (xml != null)
         {
             if (xml.isDirectory() || !xml.toString().toLowerCase(Locale.ENGLISH).endsWith(".xml"))
                 error("Bad context.xml: "+xml);
             XmlConfiguration xmlConfiguration = new XmlConfiguration(xml.getURL());
             xmlConfiguration.configure(webapp);
         }
         webapp.setResourceBase(dir.getFile().getAbsolutePath());
         webapp.setPreconfigure(true);
         server.setHandler(webapp);
         server.start();
         server.stop();
     }
     
     
     
 
     private static void error(String message)
     {
         System.err.println("ERROR: " + message);
         System.err.println("Usage: java -jar PreconfigureQuickStartWar.jar <war-directory>");
         System.err.println("       java -jar PreconfigureQuickStartWar.jar <war-directory> <context-xml-file>");
         System.err.println("       java -jar PreconfigureQuickStartWar.jar <war-file> <target-war-directory>");
         System.err.println("       java -jar PreconfigureQuickStartWar.jar <war-file> <target-war-directory> <context-xml-file>");
         System.exit(1);
     }
 
 }