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.batch.bootstrap;
021    
022    import com.google.common.collect.Lists;
023    import org.sonar.api.BatchComponent;
024    import org.sonar.api.ExtensionProvider;
025    import org.sonar.api.batch.InstantiationStrategy;
026    import org.sonar.api.measures.CoreMetrics;
027    import org.sonar.api.measures.Metric;
028    import org.sonar.api.measures.Metrics;
029    
030    import java.util.List;
031    
032    @InstantiationStrategy(InstantiationStrategy.PER_BATCH)
033    public class MetricProvider extends ExtensionProvider implements BatchComponent {
034    
035      private Metrics[] factories;
036    
037      public MetricProvider(Metrics[] factories) {
038        this.factories = factories;
039      }
040    
041      public MetricProvider() {
042        this.factories = new Metrics[0];
043      }
044    
045      @Override
046      public List<Metric> provide() {
047        List<Metric> metrics = Lists.newArrayList(CoreMetrics.getMetrics());
048        for (Metrics factory : factories) {
049          metrics.addAll(factory.getMetrics());
050        }
051        return metrics;
052      }
053    }