package org.apache.maven.scm.provider.vss;
   
   /*
    * Licensed to the Apache Software Foundation (ASF) under one
    * or more contributor license agreements.  See the NOTICE file
    * distributed with this work for additional information
    * regarding copyright ownership.  The ASF licenses this file
    * to you under the Apache License, Version 2.0 (the
    * "License"); you may not use this file except in compliance
   * with the License.  You may obtain a copy of the License at
   *
   * http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing,
   * software distributed under the License is distributed on an
   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
   * KIND, either express or implied.  See the License for the
   * specific language governing permissions and limitations
   * under the License.
   */
  
  import org.apache.maven.scm.CommandParameters;
  import org.apache.maven.scm.ScmException;
  import org.apache.maven.scm.ScmFileSet;
  import org.apache.maven.scm.command.add.AddScmResult;
  import org.apache.maven.scm.command.changelog.ChangeLogScmResult;
  import org.apache.maven.scm.command.checkin.CheckInScmResult;
  import org.apache.maven.scm.command.checkout.CheckOutScmResult;
  import org.apache.maven.scm.command.edit.EditScmResult;
  import org.apache.maven.scm.command.status.StatusScmResult;
  import org.apache.maven.scm.command.tag.TagScmResult;
  import org.apache.maven.scm.command.update.UpdateScmResult;
  import org.apache.maven.scm.provider.AbstractScmProvider;
  import org.apache.maven.scm.provider.ScmProviderRepository;
  import org.apache.maven.scm.provider.vss.commands.add.VssAddCommand;
  import org.apache.maven.scm.provider.vss.commands.changelog.VssHistoryCommand;
  import org.apache.maven.scm.provider.vss.commands.checkin.VssCheckInCommand;
  import org.apache.maven.scm.provider.vss.commands.checkout.VssCheckOutCommand;
  import org.apache.maven.scm.provider.vss.commands.edit.VssEditCommand;
  import org.apache.maven.scm.provider.vss.commands.status.VssStatusCommand;
  import org.apache.maven.scm.provider.vss.commands.tag.VssTagCommand;
  import org.apache.maven.scm.provider.vss.commands.update.VssUpdateCommand;
  import org.apache.maven.scm.provider.vss.repository.VssScmProviderRepository;
  import org.apache.maven.scm.repository.ScmRepositoryException;
  import org.codehaus.plexus.util.StringUtils;
  
  /**
   * @author <a href="mailto:george@neogrid.com.br">George Gastaldi</a>
   *
   * @plexus.component role="org.apache.maven.scm.provider.ScmProvider" role-hint="vss"
   */
  public class VssScmProvider
      extends AbstractScmProvider
  {
  
      public static final String VSS_URL_FORMAT = "[username[|password]@]vssdir|projectPath";
  
      // ----------------------------------------------------------------------
      // ScmProvider Implementation
      // ----------------------------------------------------------------------
  
      /** {@inheritDoc} */
      public String getScmSpecificFilename()
      {
          return "vssver.scc";
      }
  
      /** {@inheritDoc} */
      public ScmProviderRepository makeProviderScmRepository( String scmSpecificUrl, char delimiter )
          throws ScmRepositoryException
      {
          String user = null;
          String password = null;
          String vssDir;
          String project;
  
          int index = scmSpecificUrl.indexOf( '@' );
  
          String rest = scmSpecificUrl;
  
          if ( index != -1 )
          {
              String userAndPassword = scmSpecificUrl.substring( 0, index );
  
              rest = scmSpecificUrl.substring( index + 1 );
  
              index = userAndPassword.indexOf( delimiter );
  
              if ( index != -1 )
              {
                  user = userAndPassword.substring( 0, index );
  
                  password = userAndPassword.substring( index + 1 );
              }
              else
              {
                  user = userAndPassword;
              }
          }
         String[] tokens = StringUtils.split( rest, String.valueOf( delimiter ) );
 
         if ( tokens.length < 2 )
         {
             throw new ScmRepositoryException( "Invalid SCM URL: The url has to be on the form: " + VSS_URL_FORMAT );
         }
         else
         {
             vssDir = tokens[0];
 
             project = tokens[1];
         }
 
         return new VssScmProviderRepository( user, password, vssDir, project );
     }
 
     /** {@inheritDoc} */
     public String getScmType()
     {
         return "vss";
     }
 
     /** {@inheritDoc} */
     public AddScmResult add( ScmProviderRepository repository, ScmFileSet fileSet, CommandParameters parameters )
         throws ScmException
     {
         // TODO: Check whether the CREATE command must be called
         VssAddCommand command = new VssAddCommand();
         command.setLogger( getLogger() );
 
         return (AddScmResult) command.execute( repository, fileSet, parameters );
     }
 
     public CheckInScmResult checkin( ScmProviderRepository repository, ScmFileSet fileSet,
                                      CommandParameters parameters )
         throws ScmException
     {
         VssCheckInCommand command = new VssCheckInCommand();
 
         command.setLogger( getLogger() );
 
         return (CheckInScmResult) command.execute( repository, fileSet, parameters );
     }
 
     /** {@inheritDoc} */
     public CheckOutScmResult checkout( ScmProviderRepository repository, ScmFileSet fileSet,
                                        CommandParameters parameters )
         throws ScmException
     {
         VssCheckOutCommand command = new VssCheckOutCommand();
 
         command.setLogger( getLogger() );
 
         return (CheckOutScmResult) command.execute( repository, fileSet, parameters );
     }
 
     /** {@inheritDoc} */
     public ChangeLogScmResult changelog( ScmProviderRepository repository, ScmFileSet fileSet,
                                          CommandParameters parameters )
         throws ScmException
     {
         VssHistoryCommand command = new VssHistoryCommand();
 
         command.setLogger( getLogger() );
 
         return (ChangeLogScmResult) command.execute( repository, fileSet, parameters );
     }
 
     public TagScmResult tag( ScmProviderRepository repository, ScmFileSet fileSet, CommandParameters parameters )
         throws ScmException
     {
         VssTagCommand command = new VssTagCommand();
 
         command.setLogger( getLogger() );
 
         return (TagScmResult) command.execute( repository, fileSet, parameters );
     }
 
     /** {@inheritDoc} */
     public UpdateScmResult update( ScmProviderRepository repository, ScmFileSet fileSet, CommandParameters parameters )
         throws ScmException
     {
         VssUpdateCommand command = new VssUpdateCommand();
 
         command.setLogger( getLogger() );
 
         return (UpdateScmResult) command.execute( repository, fileSet, parameters );
     }
 
     /** {@inheritDoc} */
     public StatusScmResult status( ScmProviderRepository repository, ScmFileSet fileSet, CommandParameters parameters )
         throws ScmException
     {
         VssStatusCommand command = new VssStatusCommand();
 
         command.setLogger( getLogger() );
 
         return (StatusScmResult) command.execute( repository, fileSet, parameters );
     }
 
     /** {@inheritDoc} */
     public EditScmResult edit( ScmProviderRepository repository, ScmFileSet fileSet, CommandParameters parameters )
         throws ScmException
     {
         VssEditCommand command = new VssEditCommand();
 
         command.setLogger( getLogger() );
 
         return (EditScmResult) command.execute( repository, fileSet, parameters );
     }
 
     /*
      * public UnEditScmResult unedit( ScmProviderRepository repository, ScmFileSet fileSet,
      * CommandParameters parameters ) throws ScmException { VssUnEditCommand command = new
      * VssUnEditCommand();
      * 
      * command.setLogger( getLogger() );
      * 
      * return (UnEditScmResult) command.execute( repository, fileSet, parameters ); }
      */
 
     /*
      * protected RemoveScmResult remove( ScmProviderRepository repository, ScmFileSet fileSet,
      * CommandParameters parameters ) throws ScmException { VssRemoveCommand command = new
      * VssRemoveCommand();
      * 
      * command.setLogger( getLogger() );
      * 
      * return (RemoveScmResult) command.execute( repository .getProviderRepository(), fileSet,
      * parameters ); }
      */
 }