package org.apache.maven.scm.provider.tfs.command;

 /*

  * 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.io.File;

 import java.util.ArrayList;

 import java.util.Date;

 import java.util.Iterator;

 import java.util.List;

 import org.apache.maven.scm.ChangeSet;

 import org.apache.maven.scm.ScmBranch;

 import org.apache.maven.scm.ScmException;

 import org.apache.maven.scm.ScmFileSet;

 import org.apache.maven.scm.command.changelog.AbstractChangeLogCommand;

 import org.apache.maven.scm.command.changelog.ChangeLogScmResult;

 import org.apache.maven.scm.command.changelog.ChangeLogSet;

 import org.apache.maven.scm.provider.ScmProviderRepository;

 import org.apache.maven.scm.provider.tfs.command.consumer.ErrorStreamConsumer;

 import org.apache.maven.scm.provider.tfs.command.consumer.TfsChangeLogConsumer;

 /**

  * @author Olivier Lamy

  * @version $id$

  */

 public class TfsChangeLogCommand

     extends AbstractChangeLogCommand

 {

     protected ChangeLogScmResult executeChangeLogCommand( ScmProviderRepository r, ScmFileSet f, Date startDate,

                                                           Date endDate, ScmBranch branch, String datePattern )

         throws ScmException

     {

         List<ChangeSet> changeLogs = new ArrayList<ChangeSet>();

         Iterator<File> iter = f.getFileList().iterator();

         if ( !iter.hasNext() )

         {

             List<File> dir = new ArrayList<File>();

             // No files to iterate

             dir.add( f.getBasedir() );

             iter = dir.iterator();

         }

         TfsCommand command = null;

         // tf history takes only one file arg

         while ( iter.hasNext() )

         {

             TfsChangeLogConsumer out = new TfsChangeLogConsumer( getLogger() );

             ErrorStreamConsumer err = new ErrorStreamConsumer();

             command = createCommand( r, f, ( (File) iter.next() ) );

             int status = command.execute( out, err );

             if ( status != 0 || ( !out.hasBeenFed() && err.hasBeenFed() ) )

                 return new ChangeLogScmResult( command.getCommandString(), "Error code for TFS changelog command - "

                     + status, err.getOutput(), false );

             changeLogs.addAll( out.getLogs() );

         }

         return new ChangeLogScmResult( command.getCommandString(), new ChangeLogSet( changeLogs, startDate, endDate ) );

     }

     protected TfsCommand createCommand( ScmProviderRepository r, ScmFileSet f, File file )

     {

         TfsCommand command = new TfsCommand( "history", r, f, getLogger() );

         command.addArgument( "-format:detailed" );

         command.addArgument( file.getName() );

         return command;

     }

 }