001    /*
002     * Sonar, open source software quality management tool.
003     * Copyright (C) 2008-2012 SonarSource
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    
021    package org.sonar.java.squid;
022    
023    import java.util.Collection;
024    import java.util.Collections;
025    
026    import org.sonar.java.squid.check.SquidCheck;
027    import org.sonar.java.squid.visitor.SquidVisitor;
028    import org.sonar.squid.api.CodeScanner;
029    import org.sonar.squid.api.CodeVisitor;
030    import org.sonar.squid.api.SourceCode;
031    import org.sonar.squid.api.SourceFile;
032    import org.sonar.squid.indexer.QueryByType;
033    import org.sonar.squid.indexer.SquidIndex;
034    
035    public class SquidScanner extends CodeScanner<CodeVisitor> {
036    
037      private SquidIndex indexer;
038    
039      public SquidScanner(SquidIndex indexer) {
040        this.indexer = indexer;
041      }
042    
043      public void scan() {
044        Collection<SourceCode> files = indexer.search(new QueryByType(SourceFile.class));
045        notifySquidVisitors(files);
046      }
047    
048      private void notifySquidVisitors(Collection<SourceCode> files) {
049        SquidVisitor[] visitorArray = getVisitors().toArray(new SquidVisitor[getVisitors().size()]);
050        for (SourceCode sourceFile : files) {
051          new SquidVisitorNotifier((SourceFile) sourceFile, visitorArray).notifyVisitors();
052        }
053      }
054    
055      @Override
056      public Collection<Class<? extends CodeVisitor>> getVisitorClasses() {
057        return Collections.emptyList();
058      }
059    
060      @Override
061      public void accept(CodeVisitor visitor) {
062        if (visitor instanceof SquidCheck) {
063          super.accept(visitor);
064        }
065      }
066    
067    }