package org.apache.maven.scm.provider.tfs;
   
   /*
    * 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 java.net.URI;
  
  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.blame.BlameScmResult;
  import org.apache.maven.scm.command.branch.BranchScmResult;
  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.diff.DiffScmResult;
  import org.apache.maven.scm.command.edit.EditScmResult;
  import org.apache.maven.scm.command.export.ExportScmResult;
  import org.apache.maven.scm.command.list.ListScmResult;
  import org.apache.maven.scm.command.status.StatusScmResult;
  import org.apache.maven.scm.command.tag.TagScmResult;
  import org.apache.maven.scm.command.unedit.UnEditScmResult;
  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.tfs.command.TfsAddCommand;
  import org.apache.maven.scm.provider.tfs.command.TfsBranchCommand;
  import org.apache.maven.scm.provider.tfs.command.TfsChangeLogCommand;
  import org.apache.maven.scm.provider.tfs.command.TfsCheckInCommand;
  import org.apache.maven.scm.provider.tfs.command.TfsCheckOutCommand;
  import org.apache.maven.scm.provider.tfs.command.TfsEditCommand;
  import org.apache.maven.scm.provider.tfs.command.TfsListCommand;
  import org.apache.maven.scm.provider.tfs.command.TfsStatusCommand;
  import org.apache.maven.scm.provider.tfs.command.TfsTagCommand;
  import org.apache.maven.scm.provider.tfs.command.TfsUnEditCommand;
  import org.apache.maven.scm.provider.tfs.command.TfsUpdateCommand;
  import org.apache.maven.scm.provider.tfs.command.blame.TfsBlameCommand;
  import org.apache.maven.scm.repository.ScmRepositoryException;
  
  /**
   * @plexus.component role="org.apache.maven.scm.provider.ScmProvider" role-hint="tfs"
   */
  public class TfsScmProvider
      extends AbstractScmProvider
  {
  
      public static final String TFS_URL_FORMAT = "[[domain\\]username[;password]@]http[s]://server_name[:port]"
          + "[:isCheckinPoliciesEnabled]:workspace:$/TeamProject/Path/To/Project";
  
      // ----------------------------------------------------------------------
      // ScmProvider Implementation
      // ----------------------------------------------------------------------
  
      public String getScmType()
      {
          return "tfs";
      }
  
      /**
       * {@inheritDoc}
       */
      public boolean requiresEditMode()
      {
          return true;
      }
  
      public ScmProviderRepository makeProviderScmRepository( String scmUrl, char delimiter )
          throws ScmRepositoryException
      {
          // Look for the TFS URL after any '@' delmiter used to pass
          // usernames/password etc
          // We deliberately look for the last '@' character as username could
          // contain an '@' also.
          int lastAtPos = scmUrl.lastIndexOf( '@' );
          getLogger().info( "scmUrl - " + scmUrl );
  
          String tfsUrl = ( lastAtPos < 0 ) ? scmUrl : scmUrl.substring( lastAtPos + 1 );
          String usernamePassword = ( lastAtPos < 0 ) ? null : scmUrl.substring( 0, lastAtPos );
  
          // Look for TFS path after the end of the TFS URL
          int tfsPathPos = tfsUrl.lastIndexOf( delimiter + "$/" );
          String serverPath = "$/";
         if ( tfsPathPos > 0 )
         {
             serverPath = tfsUrl.substring( tfsPathPos + 1 );
             tfsUrl = tfsUrl.substring( 0, tfsPathPos );
         }
 
         // Look for workspace ater the end of the TFS URL
         int workspacePos = tfsUrl.lastIndexOf( delimiter );
         String workspace = tfsUrl.substring( workspacePos + 1 );
         tfsUrl = tfsUrl.substring( 0, workspacePos );
         getLogger().info( "workspace: " + workspace );
 
         // Look for workspace ater the end of the TFS URL
         int checkinPoliciesPos = tfsUrl.lastIndexOf( delimiter );
         String checkinPolicies = tfsUrl.substring( checkinPoliciesPos + 1 );
         tfsUrl = tfsUrl.substring( 0, checkinPoliciesPos );
         getLogger().info( "checkinPolicies: " + checkinPolicies );
 
         try
         {
             // Use URI's validation to determine if valid URI.
             URI tfsUri = URI.create( tfsUrl );
             String scheme = tfsUri.getScheme();
             getLogger().info( "Scheme - " + scheme );
             if ( scheme == null || !( scheme.equalsIgnoreCase( "http" ) || scheme.equalsIgnoreCase( "https" ) ) )
             {
                 throw new ScmRepositoryException( "TFS Url \"" + tfsUrl + "\" is not a valid URL. "
                     + "The TFS Url syntax is " + TFS_URL_FORMAT );
             }
         }
         catch ( IllegalArgumentException e )
         {
             throw new ScmRepositoryException( "TFS Url \"" + tfsUrl + "\" is not a valid URL. The TFS Url syntax is "
                 + TFS_URL_FORMAT );
         }
 
         String username = null;
         String password = null;
 
         if ( usernamePassword != null )
         {
             // Deliberately not using .split here in case password contains a
             // ';'
             int delimPos = usernamePassword.indexOf( ';' );
             username = ( delimPos < 0 ) ? usernamePassword : usernamePassword.substring( 0, delimPos );
             password = ( delimPos < 0 ) ? null : usernamePassword.substring( delimPos + 1 );
         }
 
         boolean useCheckinPolicies = Boolean.parseBoolean( checkinPolicies );
 
         return new TfsScmProviderRepository( tfsUrl, username, password, serverPath, workspace, useCheckinPolicies );
     }
 
     protected ChangeLogScmResult changelog( ScmProviderRepository repository, ScmFileSet fileSet,
                                             CommandParameters parameters )
         throws ScmException
     {
         TfsChangeLogCommand command = new TfsChangeLogCommand();
         command.setLogger( getLogger() );
         return (ChangeLogScmResult) command.execute( repository, fileSet, parameters );
     }
 
     protected CheckOutScmResult checkout( ScmProviderRepository repository, ScmFileSet fileSet,
                                           CommandParameters parameters )
         throws ScmException
     {
         TfsCheckOutCommand command = new TfsCheckOutCommand();
         command.setLogger( getLogger() );
         return (CheckOutScmResult) command.execute( repository, fileSet, parameters );
     }
 
     protected EditScmResult edit( ScmProviderRepository repository, ScmFileSet fileSet, CommandParameters parameters )
         throws ScmException
     {
         TfsEditCommand command = new TfsEditCommand();
         command.setLogger( getLogger() );
         return (EditScmResult) command.execute( repository, fileSet, parameters );
     }
 
     protected UnEditScmResult unedit( ScmProviderRepository repository, ScmFileSet fileSet,
                                       CommandParameters parameters )
         throws ScmException
     {
         TfsUnEditCommand command = new TfsUnEditCommand();
         command.setLogger( getLogger() );
         return (UnEditScmResult) command.execute( repository, fileSet, parameters );
     }
 
     protected StatusScmResult status( ScmProviderRepository repository, ScmFileSet fileSet,
                                       CommandParameters parameters )
         throws ScmException
     {
         TfsStatusCommand command = new TfsStatusCommand();
         command.setLogger( getLogger() );
         return (StatusScmResult) command.execute( repository, fileSet, parameters );
     }
 
     protected UpdateScmResult update( ScmProviderRepository repository, ScmFileSet fileSet,
                                       CommandParameters parameters )
         throws ScmException
     {
         TfsUpdateCommand command = new TfsUpdateCommand();
         command.setLogger( getLogger() );
         return (UpdateScmResult) command.execute( repository, fileSet, parameters );
     }
 
     protected CheckInScmResult checkin( ScmProviderRepository repository, ScmFileSet fileSet,
                                         CommandParameters parameters )
         throws ScmException
     {
         TfsCheckInCommand command = new TfsCheckInCommand();
         command.setLogger( getLogger() );
         return (CheckInScmResult) command.execute( repository, fileSet, parameters );
     }
 
     public AddScmResult add( ScmProviderRepository repository, ScmFileSet fileSet, CommandParameters parameters )
         throws ScmException
     {
         TfsAddCommand command = new TfsAddCommand();
         command.setLogger( getLogger() );
         return (AddScmResult) command.execute( repository, fileSet, parameters );
     }
 
     protected TagScmResult tag( ScmProviderRepository repository, ScmFileSet fileSet, CommandParameters parameters )
         throws ScmException
     {
         TfsTagCommand command = new TfsTagCommand();
         command.setLogger( getLogger() );
         return (TagScmResult) command.execute( repository, fileSet, parameters );
     }
 
     protected BranchScmResult branch( ScmProviderRepository repository, ScmFileSet fileSet,
                                       CommandParameters parameters )
         throws ScmException
     {
         TfsBranchCommand command = new TfsBranchCommand();
         command.setLogger( getLogger() );
         return (BranchScmResult) command.execute( repository, fileSet, parameters );
     }
 
     protected ListScmResult list( ScmProviderRepository repository, ScmFileSet fileSet, CommandParameters parameters )
         throws ScmException
     {
         TfsListCommand command = new TfsListCommand();
         command.setLogger( getLogger() );
         return (ListScmResult) command.execute( repository, fileSet, parameters );
     }
 
     protected BlameScmResult blame( ScmProviderRepository repository, ScmFileSet fileSet,
                                     CommandParameters parameters )
         throws ScmException
     {
         TfsBlameCommand command = new TfsBlameCommand();
         command.setLogger( getLogger() );
         return (BlameScmResult) command.execute( repository, fileSet, parameters );
     }
 
     protected DiffScmResult diff( ScmProviderRepository repository, ScmFileSet fileSet, CommandParameters parameters )
         throws ScmException
     {
         // Because tf launches only external diffs
         return super.diff( repository, fileSet, parameters );
     }
 
     protected ExportScmResult export( ScmProviderRepository repository, ScmFileSet fileSet,
                                       CommandParameters parameters )
         throws ScmException
     {
         // Use checkout instead
         return super.export( repository, fileSet, parameters );
     }
 
 }