package org.apache.maven.scm.provider.cvslib.command.changelog;

 /*

  * 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.ScmBranch;

 import org.apache.maven.scm.ScmException;

 import org.apache.maven.scm.ScmFileSet;

 import org.apache.maven.scm.ScmVersion;

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

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

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

 import org.apache.maven.scm.provider.cvslib.command.CvsCommand;

 import org.apache.maven.scm.provider.cvslib.command.CvsCommandUtils;

 import org.apache.maven.scm.provider.cvslib.repository.CvsScmProviderRepository;

 import org.apache.maven.scm.provider.cvslib.util.CvsUtil;

 import org.codehaus.plexus.util.Os;

 import org.codehaus.plexus.util.StringUtils;

 import org.codehaus.plexus.util.cli.Commandline;

 import java.text.SimpleDateFormat;

 import java.util.Date;

 /**

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

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

  * @version $Id: AbstractCvsChangeLogCommand.java 1306867 2012-03-29 13:45:10Z olamy $

  */

 public abstract class AbstractCvsChangeLogCommand

     extends AbstractChangeLogCommand

     implements CvsCommand

 {

     /** {@inheritDoc} */

     protected ChangeLogScmResult executeChangeLogCommand( ScmProviderRepository repo, ScmFileSet fileSet,

                                                           ScmVersion startVersion, ScmVersion endVersion,

                                                           String datePattern )

         throws ScmException

     {

         return executeChangeLogCommand( repo, fileSet, null, null, null, startVersion, endVersion, datePattern );

     }

     /** {@inheritDoc} */

     protected ChangeLogScmResult executeChangeLogCommand( ScmProviderRepository repo, ScmFileSet fileSet,

                                                           Date startDate, Date endDate, ScmBranch branch,

                                                           String datePattern )

         throws ScmException

     {

         return executeChangeLogCommand( repo, fileSet, startDate, endDate, branch, null, null, datePattern );

     }

     private ChangeLogScmResult executeChangeLogCommand( ScmProviderRepository repo, ScmFileSet fileSet, Date startDate,

                                                         Date endDate, ScmBranch branch, ScmVersion startVersion,

                                                         ScmVersion endVersion, String datePattern )

         throws ScmException

     {

         CvsScmProviderRepository repository = (CvsScmProviderRepository) repo;

         Commandline cl = CvsCommandUtils.getBaseCommand( "log", repository, fileSet );

         if ( startDate != null )

         {

             SimpleDateFormat outputDate = new SimpleDateFormat( getDateFormat() );

             String dateRange;

             if ( endDate == null )

             {

                 dateRange = ">" + outputDate.format( startDate );

             }

             else

             {

                 dateRange = outputDate.format( startDate ) + "<" + outputDate.format( endDate );

             }

             cl.createArg().setValue( "-d" );

             addDateRangeParameter( cl, dateRange );

         }

         if ( branch != null && StringUtils.isNotEmpty( branch.getName() ) )

         {

             cl.createArg().setValue( "-r" + branch.getName() );

         }

         if ( startVersion != null  || endVersion != null )

         {

             StringBuilder sb = new StringBuilder();

             sb.append( "-r" );

             if ( startVersion != null && StringUtils.isNotEmpty( startVersion.getName() ) )

             {

                 sb.append( startVersion.getName() );

             }

             sb.append( "::" );

             if ( endVersion != null && StringUtils.isNotEmpty( endVersion.getName() ) )

             {

                 sb.append( endVersion.getName() );

             }

             cl.createArg().setValue( sb.toString() );

         }

         if ( getLogger().isInfoEnabled() )

         {

             getLogger().info( "Executing: " + cl );

             getLogger().info( "Working directory: " + cl.getWorkingDirectory().getAbsolutePath() );

         }

         return executeCvsCommand( cl, startDate, endDate, startVersion, endVersion, datePattern );

     }

     protected abstract ChangeLogScmResult executeCvsCommand( Commandline cl, Date startDate, Date endDate,

                                                              ScmVersion startVersion, ScmVersion endVersion,

                                                              String datePattern )

         throws ScmException;

     protected String getDateFormat()

     {

         return CvsUtil.getSettings().getChangeLogCommandDateFormat();

     }

     protected void addDateRangeParameter( Commandline cl, String dateRange )

     {

         // There's a difference between UNIX-like OS and Windows

         // See http://jira.codehaus.org/browse/SCM-187

         if ( Os.isFamily( "windows" ) )

         {

             cl.createArg().setValue( "\"" + dateRange + "\"" );

         }

         else

         {

             cl.createArg().setValue( dateRange );

         }

     }

 }