001/*
002 * SonarQube
003 * Copyright (C) 2009-2017 SonarSource SA
004 * mailto:info AT sonarsource DOT com
005 *
006 * This program 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 * This program 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.rule;
021
022import org.sonar.api.batch.ScannerSide;
023import org.sonar.api.rule.RuleKey;
024
025import javax.annotation.CheckForNull;
026import javax.annotation.concurrent.Immutable;
027
028import java.util.Collection;
029
030/**
031 * The rules that are activated on the current module. Quality profiles are
032 * merged, so rules can relate to different repositories and languages.
033 * <br>
034 * Use {@link org.sonar.api.batch.rule.internal.ActiveRulesBuilder} to instantiate
035 * this component in unit tests.
036 *
037 * @since 4.2
038 */
039@Immutable
040@ScannerSide
041public interface ActiveRules {
042
043  /**
044   * Find a {@link ActiveRule} by the associated rule key. <code>null</code>
045   * is returned if the rule does not exist or if the rule is not activated
046   * on any Quality profile associated with the module.
047   */
048  @CheckForNull
049  ActiveRule find(RuleKey ruleKey);
050
051  /**
052   * All the active rules, whatever their repository and related language.
053   */
054  Collection<ActiveRule> findAll();
055
056  /**
057   * The active rules for a given repository, like <code>findbugs</code>
058   */
059  Collection<ActiveRule> findByRepository(String repository);
060
061  /**
062   * The active rules for a given language, like <code>java</code>
063   */
064  Collection<ActiveRule> findByLanguage(String language);
065
066  /**
067   * Find a {@link ActiveRule} by the associated internal key. <code>null</code>
068   * is returned if the rule does not exist or if the rule is not activated
069   * on any Quality profile associated with the module.
070   */
071  @CheckForNull
072  ActiveRule findByInternalKey(String repository, String internalKey);
073
074}