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.java.bytecode;
021    
022    import java.io.File;
023    import java.io.FileInputStream;
024    import java.util.ArrayList;
025    import java.util.Collection;
026    import java.util.List;
027    
028    import org.objectweb.asm.ClassReader;
029    import org.sonar.squid.api.AnalysisException;
030    import org.sonar.squid.api.CodeScanner;
031    import org.sonar.squid.api.CodeVisitor;
032    import org.sonar.squid.api.SourceCode;
033    import org.sonar.squid.indexer.SquidIndex;
034    
035    public class BytecodeScanner implements CodeScanner {
036    
037      private SquidIndex indexer;
038      private List<AsmVisitor> asmVisitors = new ArrayList<AsmVisitor>();
039    
040      public BytecodeScanner(SquidIndex indexer) {
041        this.indexer = indexer;
042      }
043    
044      public void scanCode(SourceCode project, Collection<File> filesToAnalyse) {
045        AsmSquidBridge asmSquidBridge = new AsmSquidBridge(indexer, asmVisitors);
046        for (File file : filesToAnalyse) {
047          try {
048            ClassReader reader = new ClassReader(new FileInputStream(file));
049            reader.accept(asmSquidBridge, 0);
050          } catch (Exception e) {
051            throw new AnalysisException("Unable to analyze java bytecode.", e);
052          }
053        }
054      }
055    
056      public void accept(CodeVisitor visitor) {
057        asmVisitors.add((AsmVisitor) visitor);
058      }
059    
060      public Collection<Class<? extends CodeVisitor>> getVisitors() {
061        List<Class<? extends CodeVisitor>> visitorClasses = new ArrayList<Class<? extends CodeVisitor>>();
062        visitorClasses.add(DependencyVisitor.class);
063        return visitorClasses;
064      }
065    }