001package org.apache.maven.scm.provider.local.command.changelog;
002
003/*
004 * Licensed to the Apache Software Foundation (ASF) under one
005 * or more contributor license agreements.  See the NOTICE file
006 * distributed with this work for additional information
007 * regarding copyright ownership.  The ASF licenses this file
008 * to you under the Apache License, Version 2.0 (the
009 * "License"); you may not use this file except in compliance
010 * with the License.  You may obtain a copy of the License at
011 *
012 * http://www.apache.org/licenses/LICENSE-2.0
013 *
014 * Unless required by applicable law or agreed to in writing,
015 * software distributed under the License is distributed on an
016 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
017 * KIND, either express or implied.  See the License for the
018 * specific language governing permissions and limitations
019 * under the License.
020 */
021
022import java.io.File;
023import java.io.IOException;
024import java.util.ArrayList;
025import java.util.Date;
026import java.util.List;
027
028import org.apache.maven.scm.ChangeFile;
029import org.apache.maven.scm.ChangeSet;
030import org.apache.maven.scm.ScmBranch;
031import org.apache.maven.scm.ScmException;
032import org.apache.maven.scm.ScmFileSet;
033import org.apache.maven.scm.command.changelog.AbstractChangeLogCommand;
034import org.apache.maven.scm.command.changelog.ChangeLogScmResult;
035import org.apache.maven.scm.command.changelog.ChangeLogSet;
036import org.apache.maven.scm.provider.ScmProviderRepository;
037import org.apache.maven.scm.provider.local.repository.LocalScmProviderRepository;
038import org.codehaus.plexus.util.FileUtils;
039
040/**
041 * @author <a href="mailto:evenisse@apache.org">Emmanuel Venisse</a>
042 * @author Olivier Lamy
043 *
044 */
045public class LocalChangeLogCommand
046    extends AbstractChangeLogCommand
047{
048    /** {@inheritDoc} */
049    protected ChangeLogScmResult executeChangeLogCommand( ScmProviderRepository repository, ScmFileSet fileSet,
050                                                          Date startDate, Date endDate, ScmBranch branch,
051                                                          String datePattern )
052        throws ScmException
053    {
054        LocalScmProviderRepository repo = (LocalScmProviderRepository) repository;
055
056        if ( branch != null )
057        {
058            throw new ScmException( "The local scm doesn't support tags." );
059        }
060
061        File root = new File( repo.getRoot() );
062
063        String module = repo.getModule();
064
065        File source = new File( root, module );
066
067        File baseDestination = fileSet.getBasedir();
068
069        if ( !baseDestination.exists() )
070        {
071            throw new ScmException(
072                "The working directory doesn't exist (" + baseDestination.getAbsolutePath() + ")." );
073        }
074
075        if ( !root.exists() )
076        {
077            throw new ScmException( "The base directory doesn't exist (" + root.getAbsolutePath() + ")." );
078        }
079
080        if ( !source.exists() )
081        {
082            throw new ScmException( "The module directory doesn't exist (" + source.getAbsolutePath() + ")." );
083        }
084
085        List<ChangeSet> changeLogList = new ArrayList<ChangeSet>();
086
087        try
088        {
089            File repoRoot = new File( repo.getRoot(), repo.getModule() );
090
091            List<File> files = fileSet.getFileList();
092
093            if ( files.isEmpty() )
094            {
095                @SuppressWarnings( "unchecked" )
096                List<File> fileList = FileUtils.getFiles( baseDestination, "**", null, false );
097                files = fileList;
098            }
099
100            for ( File file : files )
101            {
102
103                String path = file.getPath().replace( '\\', '/' );
104
105                File repoFile = new File( repoRoot, path );
106
107                file = new File( baseDestination, path );
108
109                ChangeSet changeSet = new ChangeSet();
110
111                int chop = repoRoot.getAbsolutePath().length();
112
113                String fileName = "/" + repoFile.getAbsolutePath().substring( chop + 1 );
114
115                changeSet.addFile( new ChangeFile( fileName, null ) );
116
117                if ( repoFile.exists() )
118                {
119                    long lastModified = repoFile.lastModified();
120
121                    Date modifiedDate = new Date( lastModified );
122
123                    if ( startDate != null )
124                    {
125                        if ( startDate.before( modifiedDate ) || startDate.equals( modifiedDate ) )
126                        {
127                            if ( endDate != null )
128                            {
129                                if ( endDate.after( modifiedDate ) || endDate.equals( modifiedDate ) )
130                                {
131                                    // nop
132                                }
133                                else
134                                {
135                                    continue;
136                                }
137                            }
138                        }
139                        else
140                        {
141                            continue;
142                        }
143                    }
144
145                    changeSet.setDate( modifiedDate );
146
147                    changeLogList.add( changeSet );
148                }
149                else
150                {
151                    // This file is deleted
152                    changeLogList.add( changeSet );
153                }
154            }
155        }
156        catch ( IOException ex )
157        {
158            throw new ScmException( "Error while getting change logs.", ex );
159        }
160
161        return new ChangeLogScmResult( null, new ChangeLogSet( changeLogList, startDate, endDate ) );
162    }
163}