package org.apache.maven.scm.provider.hg.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.ChangeSet;

 import org.apache.maven.scm.ScmBranch;

 import org.apache.maven.scm.ScmException;

 import org.apache.maven.scm.ScmFileSet;

 import org.apache.maven.scm.ScmResult;

 import org.apache.maven.scm.ScmVersion;

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

 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.hg.HgUtils;

 import org.apache.maven.scm.provider.hg.command.HgCommandConstants;

 import java.text.SimpleDateFormat;

 import java.util.Date;

 import java.util.List;

 /**

  * @author <a href="mailto:thurner.rupert@ymono.net">thurner rupert</a>

  * @author Olivier Lamy

  * @version $Id: HgChangeLogCommand.java 1328509 2012-04-20 21:13:09Z olamy $

  */

 public class HgChangeLogCommand

     extends AbstractChangeLogCommand

     implements Command

 {

     /**

      * {@inheritDoc}

      */

     protected ChangeLogScmResult executeChangeLogCommand( ScmProviderRepository scmProviderRepository,

                                                           ScmFileSet fileSet, Date startDate, Date endDate,

                                                           ScmBranch branch, String datePattern )

         throws ScmException

     {

         SimpleDateFormat dateFormat = new SimpleDateFormat( "yyyy-MM-dd" );

         StringBuilder dateInterval = new StringBuilder();

         // TRICK: Mercurial 1.9.3 don't accept 1970-01-01

         dateInterval.append(

             dateFormat.format( startDate == null ? new Date( 1000L * 60 * 60 * 24 ) : startDate ) ); // From 2. Jan 1970

         dateInterval.append( " to " );

         dateInterval.append( dateFormat.format( endDate == null ? new Date() : endDate ) ); // Upto now

         String[] cmd = new String[]{ HgCommandConstants.LOG_CMD, HgCommandConstants.VERBOSE_OPTION,

             HgCommandConstants.NO_MERGES_OPTION, HgCommandConstants.DATE_OPTION, dateInterval.toString() };

         HgChangeLogConsumer consumer = new HgChangeLogConsumer( getLogger(), datePattern );

         ScmResult result = HgUtils.execute( consumer, getLogger(), fileSet.getBasedir(), cmd );

         List<ChangeSet> logEntries = consumer.getModifications();

         ChangeLogSet changeLogSet = new ChangeLogSet( logEntries, startDate, endDate );

         return new ChangeLogScmResult( changeLogSet, result );

     }

     @Override

     protected ChangeLogScmResult executeChangeLogCommand( ScmProviderRepository repository, ScmFileSet fileSet,

                                                           ScmVersion startVersion, ScmVersion endVersion,

                                                           String datePattern )

         throws ScmException

     {

         StringBuilder revisionInterval = new StringBuilder();

         if ( startVersion != null )

         {

             revisionInterval.append( startVersion.getName() );

         }

         revisionInterval.append( ":" );

         if ( endVersion != null )

         {

             revisionInterval.append( endVersion.getName() );

         }

         String[] cmd = new String[]{ HgCommandConstants.LOG_CMD, HgCommandConstants.VERBOSE_OPTION,

             HgCommandConstants.NO_MERGES_OPTION, HgCommandConstants.REVISION_OPTION, revisionInterval.toString() };

         HgChangeLogConsumer consumer = new HgChangeLogConsumer( getLogger(), datePattern );

         ScmResult result = HgUtils.execute( consumer, getLogger(), fileSet.getBasedir(), cmd );

         List<ChangeSet> logEntries = consumer.getModifications();

         Date startDate = null;

         Date endDate = null;

         if ( !logEntries.isEmpty() )

         {

             startDate = logEntries.get( 0 ).getDate();

             endDate = logEntries.get( logEntries.size() - 1 ).getDate();

         }

         ChangeLogSet changeLogSet = new ChangeLogSet( logEntries, startDate, endDate );

         changeLogSet.setStartVersion( startVersion );

         changeLogSet.setEndVersion( endVersion );

         return new ChangeLogScmResult( changeLogSet, result );

     }

 }