001/*
002 * SonarQube, open source software quality management tool.
003 * Copyright (C) 2008-2013 SonarSource
004 * mailto:contact AT sonarsource DOT com
005 *
006 * SonarQube 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 * SonarQube 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 License
017 * along with this program; if not, write to the Free Software Foundation,
018 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
019 */
020package org.sonar.home.cache;
021
022import org.apache.commons.io.FileUtils;
023import org.sonar.home.log.Log;
024import org.sonar.home.log.StandardLog;
025
026import javax.annotation.Nullable;
027
028import java.io.File;
029
030public class FileCacheBuilder {
031
032  private File userHome;
033  private Log log = new StandardLog();
034
035  public FileCacheBuilder setUserHome(File d) {
036    this.userHome = d;
037    return this;
038  }
039
040  public FileCacheBuilder setLog(Log log) {
041    this.log = log;
042    return this;
043  }
044
045  public FileCacheBuilder setUserHome(@Nullable String path) {
046    this.userHome = (path == null ? null : new File(path));
047    return this;
048  }
049
050  public FileCache build() {
051    if (userHome == null) {
052      String path = System.getenv("SONAR_USER_HOME");
053      if (path == null) {
054        // Default
055        path = FileUtils.getUserDirectoryPath() + File.separator + ".sonar";
056      }
057      userHome = new File(path);
058    }
059    File cacheDir = new File(userHome, "cache");
060    return FileCache.create(cacheDir, log);
061  }
062}