/*

* Copyright (c) 2007-2008 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the License "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:  

*

*/

package com.nokia.maven.scm.provider.hg.command.log;

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.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;

/**

 * 'hg changelog' command.

 */

public class HgChangeLogCommand

    extends AbstractChangeLogCommand

    implements Command

{

    /** {@inheritDoc} */

    @SuppressWarnings("unchecked")

    @Override

    protected ChangeLogScmResult executeChangeLogCommand( ScmProviderRepository scmProviderRepository,

                                                          ScmFileSet fileSet, Date startDate, Date endDate,

                                                          ScmBranch branch, String datePattern )

        throws ScmException

    {

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

        com.nokia.maven.scm.provider.hg.command.log.HgChangeLogConsumer consumer = new com.nokia.maven.scm.provider.hg.command.log.HgChangeLogConsumer( getLogger(), datePattern );

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

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

        List<VersionChangeSet> inRangeAndValid = new ArrayList<VersionChangeSet>();

        startDate = startDate == null ? new Date( 0 ) : startDate; // From 1. Jan 1970

        endDate = endDate == null ? new Date() : endDate; // Upto now

        for ( VersionChangeSet logEntry : logEntries )

        {

            if ( logEntry.getFiles().size() > 0 )

            {

                if ( !logEntry.getDate().before( startDate ) && !logEntry.getDate().after( endDate ) )

                {

                    inRangeAndValid.add( logEntry );

                }

            }

        }

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

        return new ChangeLogScmResult( changeLogSet, result );

    }

    /** {@inheritDoc} */

    @SuppressWarnings("unchecked")

    @Override

    protected ChangeLogScmResult executeChangeLogCommand( ScmProviderRepository repository, ScmFileSet fileSet,

                                                      ScmVersion startVersion, ScmVersion endVersion,

                                                      String datePattern )

        throws ScmException

    {

        String param = "" + startVersion.getName() + ":" + ((endVersion.getName() != null) ? endVersion.getName() : "");

        String[] cmd = new String[] { HgCommandConstants.LOG_CMD, HgCommandConstants.VERBOSE_OPTION, HgCommandConstants.REVISION_OPTION, param};

        com.nokia.maven.scm.provider.hg.command.log.HgChangeLogConsumer consumer = new com.nokia.maven.scm.provider.hg.command.log.HgChangeLogConsumer( getLogger(), datePattern );

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

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

        Date startDate = new Date( 0 ); // From 1. Jan 1970

        Date endDate = new Date(); // Upto now

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

        return new ChangeLogScmResult( changeLogSet, result );

    }

}