001/*
002 * SonarQube, open source software quality management tool.
003 * Copyright (C) 2008-2014 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.api.batch.bootstrap;
021
022import org.sonar.api.BatchComponent;
023
024import java.util.ArrayList;
025import java.util.List;
026
027/**
028 * @since 2.9
029 */
030public class ProjectReactor implements BatchComponent {
031
032  private ProjectDefinition root;
033
034  public ProjectReactor(ProjectDefinition root) {
035    if (root.getParent() != null) {
036      throw new IllegalArgumentException("Not a root project: " + root);
037    }
038    this.root = root;
039  }
040
041  public List<ProjectDefinition> getProjects() {
042    return collectProjects(root, new ArrayList<ProjectDefinition>());
043  }
044
045  /**
046   * Populates list of projects from hierarchy.
047   */
048  private static List<ProjectDefinition> collectProjects(ProjectDefinition def, List<ProjectDefinition> collected) {
049    collected.add(def);
050    for (ProjectDefinition child : def.getSubProjects()) {
051      collectProjects(child, collected);
052    }
053    return collected;
054  }
055
056  public ProjectDefinition getRoot() {
057    return root;
058  }
059
060  public ProjectDefinition getProject(String key) {
061    for (ProjectDefinition p : getProjects()) {
062      if (key.equals(p.getKey())) {
063        return p;
064      }
065    }
066    return null;
067  }
068}