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 */ 020 package org.sonar.api.batch.rule; 021 022 import org.sonar.api.rule.RuleKey; 023 024 import javax.annotation.CheckForNull; 025 026 import java.util.Collection; 027 028 /** 029 * Searches for rules. This component is available by dependency injection. It must not 030 * be extended by plugins. 031 * 032 * @since 4.2 033 */ 034 public interface Rules { 035 036 /** 037 * Get a rule by its key. Returns <code>null</code> if rule does not exist. 038 */ 039 @CheckForNull 040 Rule find(RuleKey key); 041 042 Collection<Rule> findAll(); 043 044 /** 045 * Get the rules of the given repository. Returns an empty collection if the 046 * repository does not exist. 047 */ 048 Collection<Rule> findByRepository(String repository); 049 050 }