001package org.apache.maven.scm.provider.local.command.list;
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 org.apache.maven.scm.ScmException;
023import org.apache.maven.scm.ScmFile;
024import org.apache.maven.scm.ScmFileSet;
025import org.apache.maven.scm.ScmFileStatus;
026import org.apache.maven.scm.ScmVersion;
027import org.apache.maven.scm.command.list.AbstractListCommand;
028import org.apache.maven.scm.command.list.ListScmResult;
029import org.apache.maven.scm.provider.ScmProviderRepository;
030import org.apache.maven.scm.provider.local.repository.LocalScmProviderRepository;
031import org.codehaus.plexus.util.StringUtils;
032
033import java.io.File;
034import java.util.ArrayList;
035import java.util.Iterator;
036import java.util.List;
037
038/**
039 * @author <a href="mailto:evenisse@apache.org">Emmanuel Venisse</a>
040 *
041 */
042public class LocalListCommand
043    extends AbstractListCommand
044{
045    /** {@inheritDoc} */
046    protected ListScmResult executeListCommand( ScmProviderRepository repo, ScmFileSet fileSet, boolean recursive,
047                                                ScmVersion version )
048        throws ScmException
049    {
050        if ( version != null )
051        {
052            throw new ScmException( "The local scm doesn't support tags." );
053        }
054
055        LocalScmProviderRepository repository = (LocalScmProviderRepository) repo;
056
057        File root = new File( repository.getRoot() );
058
059        String module = repository.getModule();
060
061        File source = new File( root, module );
062
063        if ( !root.exists() )
064        {
065            throw new ScmException( "The base directory doesn't exist (" + root.getAbsolutePath() + ")." );
066        }
067
068        if ( !source.exists() )
069        {
070            throw new ScmException( "The module directory doesn't exist (" + source.getAbsolutePath() + ")." );
071        }
072
073        if ( getLogger().isInfoEnabled() )
074        {
075            getLogger().info( "Listing files of '" + source.getAbsolutePath() + "'." );
076        }
077
078        try
079        {
080            if ( fileSet.getFileList() == null || fileSet.getFileList().isEmpty() )
081            {
082                return new LocalListScmResult( null, getFiles( source, source, recursive ) );
083            }
084            else
085            {
086                List<ScmFile> files = new ArrayList<ScmFile>();
087                Iterator<File> it = fileSet.getFileList().iterator();
088
089                while ( it.hasNext() )
090                {
091                    File file = (File) it.next();
092
093                    files.addAll( getFiles( source, new File( source, file.getPath() ), recursive ) );
094                }
095
096                return new LocalListScmResult( null, files );
097            }
098        }
099        catch ( Exception e )
100        {
101            return new ListScmResult( null, "The svn command failed.", e.getMessage(), false );
102        }
103    }
104
105    private List<ScmFile> getFiles( File source, File directory, boolean recursive )
106        throws Exception
107    {
108        if ( !directory.exists() )
109        {
110            throw new Exception( "Directory '" + directory.getAbsolutePath() + "' doesn't exist." );
111        }
112
113        List<ScmFile> files = new ArrayList<ScmFile>();
114
115        File[] filesArray = directory.listFiles();
116
117        if ( filesArray != null )
118        {
119            for ( int i = 0; i < filesArray.length; i++ )
120            {
121                File f = filesArray[i];
122
123                String path = f.getAbsolutePath().substring( source.getAbsolutePath().length() );
124                path = StringUtils.replace( path, "\\", "/" );
125                path = StringUtils.replace( path, "/./", "/" );
126
127                files.add( new ScmFile( path, ScmFileStatus.CHECKED_IN ) );
128
129                if ( f.isDirectory() && recursive )
130                {
131                    files.addAll( getFiles( source, f, recursive ) );
132                }
133            }
134        }
135
136        return files;
137    }
138}