001 /* 002 * Sonar, open source software quality management tool. 003 * Copyright (C) 2008-2011 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.api.SourceClass; 026 import org.sonar.squid.measures.Metric; 027 028 import com.puppycrawl.tools.checkstyle.api.DetailAST; 029 import com.puppycrawl.tools.checkstyle.api.TokenTypes; 030 031 public class AnonymousInnerClassVisitor extends JavaAstVisitor { 032 033 private static final List<Integer> TOKENS = Arrays.asList(TokenTypes.OBJBLOCK); 034 035 @Override 036 public List<Integer> getWantedTokens() { 037 return TOKENS; 038 } 039 040 @Override 041 public void visitToken(DetailAST ast) { 042 if (!AstUtils.isClass((ast.getParent()))) { 043 int anonymousInnerClassNo = determineAnonymousInnerClassNo(peekParentClass()); 044 String anonymousInnerClassName = peekParentClass().getName() + "$" + anonymousInnerClassNo; 045 String anonymousInnerClassKey = peekParentClass().getKey() + "$" + anonymousInnerClassNo; 046 SourceClass anonymousInnerClass = new SourceClass(anonymousInnerClassKey, anonymousInnerClassName); 047 anonymousInnerClass.setStartAtLine(ast.getLineNo()); 048 anonymousInnerClass.setMeasure(Metric.ANONYMOUS_INNER_CLASSES, 1); 049 addSourceCode(anonymousInnerClass); 050 } 051 052 } 053 054 private int determineAnonymousInnerClassNo(SourceClass parentClass) { 055 int anonymousInnerClassNo = 1; 056 while (true) { 057 SourceClass anonymousInnerClass = new SourceClass(parentClass.getKey() + "$" + anonymousInnerClassNo); 058 if (!parentClass.hasChild(anonymousInnerClass)) { 059 return anonymousInnerClassNo; 060 } 061 anonymousInnerClassNo++; 062 } 063 } 064 065 @Override 066 public void leaveToken(DetailAST ast) { 067 if (!AstUtils.isClass(ast.getParent())) { 068 popSourceCode(); 069 } 070 } 071 }