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 org.sonar.squid.api.SourceFile;
023    import org.sonar.squid.api.SourcePackage;
024    import org.sonar.squid.measures.Metric;
025    
026    import com.puppycrawl.tools.checkstyle.api.DetailAST;
027    
028    public class FileVisitor extends JavaAstVisitor {
029    
030      @Override
031      public void visitFile(DetailAST ast) {
032        String fileName = extractFileNameFromFilePath(getFileContents().getFilename());
033        SourceFile sourceFile = createSourceFile(peekParentPackage(), fileName);
034        sourceFile.setMeasure(Metric.FILES, 1);
035        addSourceCode(sourceFile);
036      }
037    
038      @Override
039      public void leaveFile(DetailAST ast) {
040        popSourceCode();
041      }
042    
043      static String extractFileNameFromFilePath(String filePath) {
044        int lastIndexOfSlashOrBackSlashChar = filePath.lastIndexOf('/');
045        if (lastIndexOfSlashOrBackSlashChar != -1) {
046          return filePath.substring(lastIndexOfSlashOrBackSlashChar + 1);
047        }
048        lastIndexOfSlashOrBackSlashChar = filePath.lastIndexOf('\\');
049        if (lastIndexOfSlashOrBackSlashChar != -1) {
050          return filePath.substring(lastIndexOfSlashOrBackSlashChar + 1);
051        }
052        return filePath;
053      }
054    
055      static SourceFile createSourceFile(SourcePackage parentPackage, String fileName) {
056        StringBuilder key = new StringBuilder();
057        if (parentPackage != null && !"".equals(parentPackage.getKey())) {
058          key.append(parentPackage.getKey());
059          key.append("/");
060        }
061        key.append(fileName);
062        return new SourceFile(key.toString(), fileName);
063      }
064    }