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.sonar.home.log.Log;
023import org.sonar.home.log.StandardLog;
024
025import javax.annotation.Nullable;
026
027import java.io.File;
028
029public class FileCacheBuilder {
030
031  private File userHome;
032  private Log log = new StandardLog();
033
034  public FileCacheBuilder setUserHome(File d) {
035    this.userHome = d;
036    return this;
037  }
038
039  public FileCacheBuilder setLog(Log log) {
040    this.log = log;
041    return this;
042  }
043
044  public FileCacheBuilder setUserHome(@Nullable String path) {
045    this.userHome = (path == null ? null : new File(path));
046    return this;
047  }
048
049  public FileCache build() {
050    if (userHome == null) {
051      String path = System.getenv("SONAR_USER_HOME");
052      if (path == null) {
053        // Default
054        path = System.getProperty("user.home") + File.separator + ".sonar";
055      }
056      userHome = new File(path);
057    }
058    File cacheDir = new File(userHome, "cache");
059    return FileCache.create(cacheDir, log);
060  }
061}