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    package org.sonar.java.ast.visitor;
021    
022    import java.util.Arrays;
023    import java.util.List;
024    
025    import org.sonar.squid.measures.Metric;
026    
027    import com.puppycrawl.tools.checkstyle.api.DetailAST;
028    import com.puppycrawl.tools.checkstyle.api.TokenTypes;
029    
030    public class BlankLinesVisitor extends JavaAstVisitor {
031    
032      private static final List<Integer> TOKENS = Arrays.asList(TokenTypes.RCURLY);
033    
034      @Override
035      public List<Integer> getWantedTokens() {
036        return TOKENS;
037      }
038    
039      @Override
040      public void visitToken(DetailAST ast) {
041        int blankLines = getSource().getMeasure(Metric.BLANK_LINES, peekSourceCode().getStartAtLine(), peekSourceCode().getEndAtLine());
042        peekSourceCode().setMeasure(Metric.BLANK_LINES, blankLines);
043      }
044      
045      @Override
046      public void visitFile(DetailAST ast) {
047        int blankLines = getSource().getMeasure(Metric.BLANK_LINES);
048        peekSourceCode().setMeasure(Metric.BLANK_LINES, blankLines);
049      }
050    }