001/*
002 * Licensed to the Apache Software Foundation (ASF) under one
003 * or more contributor license agreements.  See the NOTICE file
004 * distributed with this work for additional information
005 * regarding copyright ownership.  The ASF licenses this file
006 * to you under the Apache License, Version 2.0 (the
007 * "License"); you may not use this file except in compliance
008 * with the License.  You may obtain a copy of the License at
009 *
010 *   http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing,
013 * software distributed under the License is distributed on an
014 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
015 * KIND, either express or implied.  See the License for the
016 * specific language governing permissions and limitations
017 * under the License.
018 */
019package org.apache.maven.scm.provider.local.command.list;
020
021import java.io.File;
022import java.util.ArrayList;
023import java.util.List;
024
025import org.apache.commons.lang3.StringUtils;
026import org.apache.maven.scm.ScmException;
027import org.apache.maven.scm.ScmFile;
028import org.apache.maven.scm.ScmFileSet;
029import org.apache.maven.scm.ScmFileStatus;
030import org.apache.maven.scm.ScmVersion;
031import org.apache.maven.scm.command.list.AbstractListCommand;
032import org.apache.maven.scm.command.list.ListScmResult;
033import org.apache.maven.scm.provider.ScmProviderRepository;
034import org.apache.maven.scm.provider.local.repository.LocalScmProviderRepository;
035
036/**
037 * @author <a href="mailto:evenisse@apache.org">Emmanuel Venisse</a>
038 *
039 */
040public class LocalListCommand extends AbstractListCommand {
041    /** {@inheritDoc} */
042    protected ListScmResult executeListCommand(
043            ScmProviderRepository repo, ScmFileSet fileSet, boolean recursive, ScmVersion version) throws ScmException {
044        if (version != null) {
045            throw new ScmException("The local scm doesn't support tags.");
046        }
047
048        LocalScmProviderRepository repository = (LocalScmProviderRepository) repo;
049
050        File root = new File(repository.getRoot());
051
052        String module = repository.getModule();
053
054        File source = new File(root, module);
055
056        if (!root.exists()) {
057            throw new ScmException("The base directory doesn't exist (" + root.getAbsolutePath() + ").");
058        }
059
060        if (!source.exists()) {
061            throw new ScmException("The module directory doesn't exist (" + source.getAbsolutePath() + ").");
062        }
063
064        if (logger.isInfoEnabled()) {
065            logger.info("Listing files of '" + source.getAbsolutePath() + "'.");
066        }
067
068        try {
069            if (fileSet.getFileList() == null || fileSet.getFileList().isEmpty()) {
070                return new LocalListScmResult(null, getFiles(source, source, recursive));
071            } else {
072                List<ScmFile> files = new ArrayList<>();
073
074                for (File file : fileSet.getFileList()) {
075                    files.addAll(getFiles(source, new File(source, file.getPath()), recursive));
076                }
077
078                return new LocalListScmResult(null, files);
079            }
080        } catch (Exception e) {
081            return new ListScmResult(null, "The svn command failed.", e.getMessage(), false);
082        }
083    }
084
085    private List<ScmFile> getFiles(File source, File directory, boolean recursive) throws Exception {
086        if (!directory.exists()) {
087            throw new Exception("Directory '" + directory.getAbsolutePath() + "' doesn't exist.");
088        }
089
090        List<ScmFile> files = new ArrayList<>();
091
092        File[] filesArray = directory.listFiles();
093
094        if (filesArray != null) {
095            for (int i = 0; i < filesArray.length; i++) {
096                File f = filesArray[i];
097
098                String path =
099                        f.getAbsolutePath().substring(source.getAbsolutePath().length());
100                path = StringUtils.replace(path, "\\", "/");
101                path = StringUtils.replace(path, "/./", "/");
102
103                files.add(new ScmFile(path, ScmFileStatus.CHECKED_IN));
104
105                if (f.isDirectory() && recursive) {
106                    files.addAll(getFiles(source, f, recursive));
107                }
108            }
109        }
110
111        return files;
112    }
113}