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.check;
021    
022    import com.puppycrawl.tools.checkstyle.api.DetailAST;
023    import com.puppycrawl.tools.checkstyle.api.TokenTypes;
024    import org.sonar.check.Priority;
025    import org.sonar.check.Rule;
026    import org.sonar.java.ast.visitor.AstUtils;
027    import org.sonar.java.ast.visitor.JavaAstVisitor;
028    import org.sonar.squid.api.CheckMessage;
029    import org.sonar.squid.api.SourceFile;
030    
031    import java.util.Arrays;
032    import java.util.List;
033    
034    @Rule(key = "AvoidBreakOutsideSwitch", priority = Priority.MAJOR)
035    public class BreakCheck extends JavaAstVisitor {
036    
037      @Override
038      public List<Integer> getWantedTokens() {
039        return WANTED_TOKENS;
040      }
041    
042      @Override
043      public void visitToken(DetailAST ast) {
044        if (AstUtils.findParent(ast, TokenTypes.LITERAL_SWITCH) == null) {
045          CheckMessage message = new CheckMessage(this,
046              "The 'break' branching statement prevents refactoring the source code to reduce the complexity.");
047          message.setLine(ast.getLineNo());
048          SourceFile sourceFile = peekSourceCode().getParent(SourceFile.class);
049          sourceFile.log(message);
050        }
051      }
052    
053      private static final List<Integer> WANTED_TOKENS = Arrays.asList(TokenTypes.LITERAL_BREAK);
054    
055    }