org.sonar.api.batch.rule.internal.DefaultActiveRules.java Source code

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Here is the source code for org.sonar.api.batch.rule.internal.DefaultActiveRules.java

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/*
 * SonarQube
 * Copyright (C) 2009-2017 SonarSource SA
 * mailto:info AT sonarsource DOT com
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 3 of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 */
package org.sonar.api.batch.rule.internal;

import com.google.common.collect.ImmutableListMultimap;
import com.google.common.collect.ListMultimap;
import org.sonar.api.batch.rule.ActiveRule;
import org.sonar.api.batch.rule.ActiveRules;
import org.sonar.api.rule.RuleKey;

import javax.annotation.concurrent.Immutable;

import java.util.Collection;
import java.util.HashMap;
import java.util.Map;

@Immutable
public class DefaultActiveRules implements ActiveRules {

    // TODO use disk-backed cache (persistit) instead of full in-memory cache ?
    private final ListMultimap<String, ActiveRule> activeRulesByRepository;
    private final Map<String, Map<String, ActiveRule>> activeRulesByRepositoryAndKey = new HashMap<>();
    private final Map<String, Map<String, ActiveRule>> activeRulesByRepositoryAndInternalKey = new HashMap<>();
    private final ListMultimap<String, ActiveRule> activeRulesByLanguage;

    public DefaultActiveRules(Collection<NewActiveRule> newActiveRules) {
        ImmutableListMultimap.Builder<String, ActiveRule> repoBuilder = ImmutableListMultimap.builder();
        ImmutableListMultimap.Builder<String, ActiveRule> langBuilder = ImmutableListMultimap.builder();
        for (NewActiveRule newAR : newActiveRules) {
            DefaultActiveRule ar = new DefaultActiveRule(newAR);
            repoBuilder.put(ar.ruleKey().repository(), ar);
            if (ar.language() != null) {
                langBuilder.put(ar.language(), ar);
            }
            if (!activeRulesByRepositoryAndKey.containsKey(ar.ruleKey().repository())) {
                activeRulesByRepositoryAndKey.put(ar.ruleKey().repository(), new HashMap<String, ActiveRule>());
                activeRulesByRepositoryAndInternalKey.put(ar.ruleKey().repository(),
                        new HashMap<String, ActiveRule>());
            }
            activeRulesByRepositoryAndKey.get(ar.ruleKey().repository()).put(ar.ruleKey().rule(), ar);
            String internalKey = ar.internalKey();
            if (internalKey != null) {
                activeRulesByRepositoryAndInternalKey.get(ar.ruleKey().repository()).put(internalKey, ar);
            }
        }
        activeRulesByRepository = repoBuilder.build();
        activeRulesByLanguage = langBuilder.build();
    }

    @Override
    public ActiveRule find(RuleKey ruleKey) {
        Map<String, ActiveRule> map = activeRulesByRepositoryAndKey.get(ruleKey.repository());
        if (map != null) {
            return map.get(ruleKey.rule());
        }
        return null;
    }

    @Override
    public Collection<ActiveRule> findAll() {
        return activeRulesByRepository.values();
    }

    @Override
    public Collection<ActiveRule> findByRepository(String repository) {
        return activeRulesByRepository.get(repository);
    }

    @Override
    public Collection<ActiveRule> findByLanguage(String language) {
        return activeRulesByLanguage.get(language);
    }

    @Override
    public ActiveRule findByInternalKey(String repository, String internalKey) {
        return activeRulesByRepositoryAndInternalKey.containsKey(repository)
                ? activeRulesByRepositoryAndInternalKey.get(repository).get(internalKey)
                : null;
    }
}