package org.apache.maven.scm.provider.vss.commands.tag;
   
   /*
    * 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.ScmException;
  import org.apache.maven.scm.ScmFileSet;
  import org.apache.maven.scm.ScmResult;
  import org.apache.maven.scm.ScmTagParameters;
  import org.apache.maven.scm.command.tag.AbstractTagCommand;
  import org.apache.maven.scm.command.tag.TagScmResult;
  import org.apache.maven.scm.provider.ScmProviderRepository;
  import org.apache.maven.scm.provider.vss.commands.VssCommandLineUtils;
  import org.apache.maven.scm.provider.vss.commands.VssConstants;
  import org.apache.maven.scm.provider.vss.repository.VssScmProviderRepository;
  import org.codehaus.plexus.util.cli.CommandLineUtils;
  import org.codehaus.plexus.util.cli.Commandline;
  
  /**
   * @author <a href="mailto:matpimenta@gmail.com">Mateus Pimenta</a>
   * @since 1.3
   */
  public class VssTagCommand
      extends AbstractTagCommand
  {
  
      protected ScmResult executeTagCommand( ScmProviderRepository repository, ScmFileSet fileSet, String tagName,
                                             ScmTagParameters scmTagParameters )
          throws ScmException
      {
          return executeTagCommand( repository, fileSet, tagName, scmTagParameters == null ? "" : scmTagParameters
              .getMessage() );
      }
  
  
      /**
       * @see org.apache.maven.scm.command.tag.AbstractTagCommand#executeTagCommand(org.apache.maven.scm.provider.ScmProviderRepository, org.apache.maven.scm.ScmFileSet, java.lang.String, java.lang.String)
       */
      protected ScmResult executeTagCommand( ScmProviderRepository repository, ScmFileSet fileSet, String tagName,
                                             String message )
          throws ScmException
      {
          if ( getLogger().isDebugEnabled() )
          {
              getLogger().debug( "executing tag command..." );
          }
  
          VssScmProviderRepository repo = (VssScmProviderRepository) repository;
  
          Commandline cl = buildCmdLine( repo, fileSet, tagName, message );
  
          VssTagConsumer consumer = new VssTagConsumer( repo, getLogger() );
  
          //      TODO handle deleted files from VSS
          CommandLineUtils.StringStreamConsumer stderr = new CommandLineUtils.StringStreamConsumer();
  
          int exitCode;
  
          if ( getLogger().isDebugEnabled() )
          {
              getLogger().debug( "Executing: " + cl.getWorkingDirectory().getAbsolutePath() + ">>" + cl.toString() );
          }
  
          exitCode = VssCommandLineUtils.executeCommandline( cl, consumer, stderr, getLogger() );
  
          if ( exitCode != 0 )
          {
              String error = stderr.getOutput();
  
              if ( getLogger().isDebugEnabled() )
              {
                  getLogger().debug( "VSS returns error: [" + error + "] return code: [" + exitCode + "]" );
              }
              if ( error.indexOf( "A writable copy of" ) < 0 )
              {
                  return new TagScmResult( cl.toString(), "The vss command failed.", error, false );
              }
              // print out the writable copy for manual handling
              if ( getLogger().isWarnEnabled() )
              {
                  getLogger().warn( error );
              }
          }
 
         return new TagScmResult( cl.toString(), consumer.getUpdatedFiles() );
     }
 
     public Commandline buildCmdLine( VssScmProviderRepository repo, ScmFileSet fileSet, String tagName, String message )
         throws ScmException
     {
 
         Commandline command = new Commandline();
 
         command.setWorkingDirectory( fileSet.getBasedir().getAbsolutePath() );
 
         try
         {
             command.addSystemEnvironment();
         }
         catch ( Exception e )
         {
             throw new ScmException( "Can't add system environment.", e );
         }
 
         command.addEnvironment( "SSDIR", repo.getVssdir() );
 
         String ssDir = VssCommandLineUtils.getSsDir();
 
         command.setExecutable( ssDir + VssConstants.SS_EXE );
 
         command.createArg().setValue( VssConstants.COMMAND_LABEL );
 
         command.createArg().setValue( VssConstants.PROJECT_PREFIX + repo.getProject() );
 
         // User identification to get access to vss repository
         if ( repo.getUserPassword() != null )
         {
             command.createArg().setValue( VssConstants.FLAG_LOGIN + repo.getUserPassword() );
         }
 
         // Ignore: Do not ask for input under any circumstances.
         command.createArg().setValue( VssConstants.FLAG_AUTORESPONSE_DEF );
 
         command.createArg().setValue( VssConstants.FLAG_LABEL + tagName );
 
         return command;
     }
 
 }