001    /*
002     * Sonar, open source software quality management tool.
003     * Copyright (C) 2009 SonarSource SA
004     * mailto:contact AT sonarsource DOT com
005     *
006     * Sonar 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     * Sonar 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
017     * License along with Sonar; if not, write to the Free Software
018     * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
019     */
020    package org.sonar.batch;
021    
022    import org.apache.commons.lang.StringUtils;
023    import org.slf4j.Logger;
024    import org.slf4j.LoggerFactory;
025    import org.sonar.api.batch.BatchExtensionDictionnary;
026    import org.sonar.api.batch.Decorator;
027    import org.sonar.api.batch.DecoratorContext;
028    import org.sonar.api.batch.SensorContext;
029    import org.sonar.api.database.DatabaseSession;
030    import org.sonar.api.resources.Project;
031    import org.sonar.api.resources.Resource;
032    import org.sonar.batch.indexer.DefaultSonarIndex;
033    
034    import java.util.ArrayList;
035    import java.util.Collection;
036    import java.util.List;
037    
038    public class DecoratorsExecutor implements CoreJob {
039    
040      private DecoratorsSelector decoratorsSelector;
041      private DatabaseSession session;
042      private ViolationsDao violationsDao;
043      private static final Logger LOG = LoggerFactory.getLogger(DecoratorsExecutor.class);
044      private DefaultSonarIndex index;
045    
046      public DecoratorsExecutor(BatchExtensionDictionnary extensionDictionnary, DefaultSonarIndex index, DatabaseSession session, ViolationsDao violationsDao) {
047        this.decoratorsSelector = new DecoratorsSelector(extensionDictionnary);
048        this.session = session;
049        this.violationsDao = violationsDao;
050        this.index = index;
051      }
052    
053    
054      public void execute(Project project, SensorContext sensorContext) {
055        LoggerFactory.getLogger(DecoratorsExecutor.class).info("Execute decorators...");
056        Collection<Decorator> decorators = decoratorsSelector.select(project);
057    
058        if (LOG.isDebugEnabled()) {
059          LOG.debug("Decorators: {}", StringUtils.join(decorators, " -> "));
060        }
061    
062        decorateResource(project, decorators, true);
063      }
064    
065      private DecoratorContext decorateResource(Resource resource, Collection<Decorator> decorators, boolean executeDecorators) {
066        List<DecoratorContext> childrenContexts = new ArrayList<DecoratorContext>();
067        for (Resource child : index.getChildren(resource)) {
068          boolean isModule = (child instanceof Project);
069          DefaultDecoratorContext childContext = (DefaultDecoratorContext) decorateResource(child, decorators, !isModule);
070          childrenContexts.add(childContext.setReadOnly(true));
071        }
072    
073        DefaultDecoratorContext context = new DefaultDecoratorContext(resource, index, childrenContexts, session, violationsDao);
074        if (executeDecorators) {
075          for (Decorator decorator : decorators) {
076            decorator.decorate(resource, context);
077          }
078        }
079        return context;
080      }
081    }