package org.apache.maven.scm.command.update;

 /*

  * 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.ChangeSet;

 import org.apache.maven.scm.CommandParameter;

 import org.apache.maven.scm.CommandParameters;

 import org.apache.maven.scm.ScmException;

 import org.apache.maven.scm.ScmFile;

 import org.apache.maven.scm.ScmFileSet;

 import org.apache.maven.scm.ScmResult;

 import org.apache.maven.scm.ScmVersion;

 import org.apache.maven.scm.command.AbstractCommand;

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

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

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

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

 import java.util.ArrayList;

 import java.util.Date;

 import java.util.List;

 /**

  * @author <a href="mailto:evenisse@apache.org">Emmanuel Venisse </a>

  * @author <a href="mailto:trygvis@inamo.no">Trygve Laugst&oslash;l</a>

  * @version $Id: AbstractUpdateCommand.java 1294386 2012-02-27 23:09:33Z hboutemy $

  */

 public abstract class AbstractUpdateCommand

     extends AbstractCommand

 {

     protected abstract UpdateScmResult executeUpdateCommand( ScmProviderRepository repository, ScmFileSet fileSet,

                                                              ScmVersion scmVersion )

         throws ScmException;

     /** {@inheritDoc} */

     public ScmResult executeCommand( ScmProviderRepository repository, ScmFileSet fileSet,

                                      CommandParameters parameters )

         throws ScmException

     {

         ScmVersion scmVersion = parameters.getScmVersion( CommandParameter.SCM_VERSION, null );

         boolean runChangelog = Boolean.valueOf(

             parameters.getString( CommandParameter.RUN_CHANGELOG_WITH_UPDATE, "true" ) ).booleanValue();

         UpdateScmResult updateScmResult = executeUpdateCommand( repository, fileSet, scmVersion );

         List<ScmFile> filesList = updateScmResult.getUpdatedFiles();

         if ( !runChangelog )

         {

             return updateScmResult;

         }

         ChangeLogCommand changeLogCmd = getChangeLogCommand();

         if ( filesList != null && filesList.size() > 0 && changeLogCmd != null )

         {

             ChangeLogScmResult changeLogScmResult =

                 (ChangeLogScmResult) changeLogCmd.executeCommand( repository, fileSet, parameters );

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

             ChangeLogSet changeLogSet = changeLogScmResult.getChangeLog();

             if ( changeLogSet != null )

             {

                 Date startDate = null;

                 try

                 {

                     startDate = parameters.getDate( CommandParameter.START_DATE );

                 }

                 catch ( ScmException e )

                 {

                     //Do nothing, startDate isn't define.

                 }

                 for ( ChangeSet change : changeLogSet.getChangeSets() )

                 {

                     if ( startDate != null && change.getDate() != null )

                     {

                         if ( startDate.after( change.getDate() ) )

                         {

                             continue;

                         }

                     }

                     for ( ScmFile currentFile : filesList )

                     {

                         if ( change.containsFilename( currentFile.getPath() ) )

                         {

                             changes.add( change );

                             break;

                         }

                     }

                 }

             }

             updateScmResult.setChanges( changes );

         }

         return updateScmResult;

     }

     protected abstract ChangeLogCommand getChangeLogCommand();

 }