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.rule.internal;
021
022import org.sonar.api.batch.rule.Rules;
023import org.sonar.api.rule.RuleKey;
024
025import java.util.HashMap;
026import java.util.Map;
027
028/**
029 * For unit testing and internal use only.
030 *
031 * @since 4.2
032 */
033
034public class RulesBuilder {
035
036  private final Map<RuleKey, NewRule> map = new HashMap<RuleKey, NewRule>();
037
038  public NewRule add(RuleKey key) {
039    if (map.containsKey(key)) {
040      throw new IllegalStateException(String.format("Rule '%s' already exists", key));
041    }
042    NewRule newRule = new NewRule(key);
043    map.put(key, newRule);
044    return newRule;
045  }
046
047  public Rules build() {
048    return new DefaultRules(map.values());
049  }
050}