001/*
002 * Sonar, open source software quality management tool.
003 * Copyright (C) 2008-2012 SonarSource
004 * mailto:contact AT sonarsource DOT com
005 *
006 * Sonar is free software; you can redistribute it and/or
007 * modify it under the terms of the GNU Lesser General Public
008 * License as published by the Free Software Foundation; either
009 * version 3 of the License, or (at your option) any later version.
010 *
011 * Sonar is distributed in the hope that it will be useful,
012 * but WITHOUT ANY WARRANTY; without even the implied warranty of
013 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
014 * Lesser General Public License for more details.
015 *
016 * You should have received a copy of the GNU Lesser General Public
017 * License along with Sonar; if not, write to the Free Software
018 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
019 */
020package org.sonar.batch.bootstrap;
021
022import com.google.common.collect.Lists;
023import org.apache.commons.io.FileUtils;
024import org.apache.commons.lang.CharUtils;
025import org.apache.commons.lang.StringUtils;
026import org.slf4j.Logger;
027import org.slf4j.LoggerFactory;
028import org.sonar.api.BatchComponent;
029import org.sonar.api.utils.HttpDownloader;
030import org.sonar.api.utils.SonarException;
031import org.sonar.batch.ServerMetadata;
032import org.sonar.core.plugins.RemotePlugin;
033
034import java.io.File;
035import java.net.URI;
036import java.net.URISyntaxException;
037import java.util.List;
038
039public class ArtifactDownloader implements BatchComponent {
040
041  private static final Logger LOG = LoggerFactory.getLogger(ArtifactDownloader.class);
042
043  private HttpDownloader httpDownloader;
044  private TempDirectories workingDirectories;
045  private String baseUrl;
046
047  public ArtifactDownloader(HttpDownloader httpDownloader, TempDirectories workingDirectories, ServerMetadata server) {
048    this.httpDownloader = httpDownloader;
049    this.workingDirectories = workingDirectories;
050    this.baseUrl = server.getURL();
051  }
052
053  public File downloadJdbcDriver() {
054    String url = baseUrl + "/deploy/jdbc-driver.jar";
055    try {
056      File jdbcDriver = new File(workingDirectories.getRoot(), "jdbc-driver.jar");
057      LOG.debug("Downloading JDBC driver to " + jdbcDriver);
058      httpDownloader.download(new URI(url), jdbcDriver);
059      return jdbcDriver;
060
061    } catch (URISyntaxException e) {
062      throw new SonarException("Fail to download the JDBC driver from : " + url, e);
063    }
064  }
065
066  public List<File> downloadPlugin(RemotePlugin remote) {
067    try {
068      File targetDir = workingDirectories.getDir("plugins/" + remote.getKey());
069      FileUtils.forceMkdir(targetDir);
070      LOG.debug("Downloading plugin " + remote.getKey() + " into " + targetDir);
071
072      List<File> files = Lists.newArrayList();
073      for (String filename : remote.getFilenames()) {
074        String url = baseUrl + "/deploy/plugins/" + remote.getKey() + "/" + filename;
075        File toFile = new File(targetDir, filename);
076        httpDownloader.download(new URI(url), toFile);
077        files.add(toFile);
078      }
079
080
081      return files;
082
083    } catch (Exception e) {
084      throw new SonarException("Fail to download plugin: " + remote.getKey(), e);
085    }
086  }
087
088  public List<RemotePlugin> downloadPluginIndex() {
089    String url = baseUrl + "/deploy/plugins/index.txt";
090    try {
091      LOG.debug("Downloading index of plugins");
092      String indexContent = httpDownloader.downloadPlainText(new URI(url), "UTF-8");
093      String[] rows = StringUtils.split(indexContent, CharUtils.LF);
094      List<RemotePlugin> remoteLocations = Lists.newArrayList();
095      for (String row : rows) {
096        remoteLocations.add(RemotePlugin.unmarshal(row));
097      }
098      return remoteLocations;
099
100    } catch (Exception e) {
101      throw new SonarException("Fail to download plugins index: " + url, e);
102    }
103  }
104
105}