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