001    /**
002     * Copyright 2008-2012 The Kuali Foundation
003     *
004     * Licensed under the Educational Community License, Version 2.0 (the "License");
005     * you may not use this file except in compliance with the License.
006     * You may obtain a copy of the License at
007     *
008     * http://www.opensource.org/licenses/ecl2.php
009     *
010     * Unless required by applicable law or agreed to in writing, software
011     * distributed under the License is distributed on an "AS IS" BASIS,
012     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013     * See the License for the specific language governing permissions and
014     * limitations under the License.
015     */
016    package org.codehaus.mojo.wagon.shared;
017    
018    /*
019     * Licensed to the Apache Software Foundation (ASF) under one or more contributor license
020     * agreements. See the NOTICE file distributed with this work for additional information regarding
021     * copyright ownership. The ASF licenses this file to you under the Apache License, Version 2.0 (the
022     * "License"); you may not use this file except in compliance with the License. You may obtain a
023     * copy of the License at
024     *
025     * http://www.apache.org/licenses/LICENSE-2.0
026     *
027     * Unless required by applicable law or agreed to in writing, software distributed under the License
028     * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
029     * or implied. See the License for the specific language governing permissions and limitations under
030     * the License.
031     */
032    
033    import java.io.File;
034    import java.util.Iterator;
035    import java.util.List;
036    
037    import org.apache.maven.plugin.logging.Log;
038    import org.apache.maven.wagon.Wagon;
039    import org.apache.maven.wagon.WagonException;
040    import org.codehaus.plexus.util.StringUtils;
041    
042    /**
043     * @plexus.component role="org.codehaus.mojo.wagon.shared.WagonDownload" role-hint="default"
044     */
045    
046    public class DefaultWagonDownload implements WagonDownload {
047    
048        @Override
049        public List<?> getFileList(Wagon wagon, WagonFileSet fileSet, Log logger) throws WagonException {
050            logger.info("Scanning remote file system: " + wagon.getRepository().getUrl() + " ...");
051    
052            WagonDirectoryScanner dirScan = new WagonDirectoryScanner();
053            dirScan.setLogger(logger);
054            dirScan.setWagon(wagon);
055            dirScan.setExcludes(fileSet.getExcludes());
056            dirScan.setIncludes(fileSet.getIncludes());
057            dirScan.setCaseSensitive(fileSet.isCaseSensitive());
058            dirScan.setDirectory(fileSet.getDirectory());
059            if (fileSet.isUseDefaultExcludes()) {
060                dirScan.addDefaultExcludes();
061            }
062    
063            dirScan.scan();
064    
065            return dirScan.getFilesIncluded();
066        }
067    
068        @Override
069        public void download(Wagon wagon, WagonFileSet remoteFileSet, Log logger) throws WagonException {
070            List<?> fileList = this.getFileList(wagon, remoteFileSet, logger);
071    
072            String url = wagon.getRepository().getUrl() + "/";
073    
074            if (fileList.size() == 0) {
075                logger.info("Nothing to download.");
076                return;
077            }
078    
079            for (Iterator<?> iterator = fileList.iterator(); iterator.hasNext();) {
080                String remoteFile = (String) iterator.next();
081    
082                File destination = new File(remoteFileSet.getDownloadDirectory() + "/" + remoteFile);
083    
084                if (!StringUtils.isBlank(remoteFileSet.getDirectory())) {
085                    remoteFile = remoteFileSet.getDirectory() + "/" + remoteFile;
086                }
087    
088                logger.info("Downloading " + url + remoteFile + " to " + destination + " ...");
089    
090                wagon.get(remoteFile, destination);
091            }
092        }
093    
094        /**
095         *
096         * @param wagon
097         *            - a Wagon instance
098         * @param resource
099         *            - Remote resource to check
100         * @throws WagonException
101         */
102        @Override
103        public boolean exists(Wagon wagon, String resource) throws WagonException {
104            return wagon.resourceExists(resource);
105        }
106    
107    }