Coverage Report - com.puppycrawl.tools.checkstyle.checks.coding.MissingCtorCheck
 
Classes in this File Line Coverage Branch Coverage Complexity
MissingCtorCheck
100%
10/10
100%
4/4
1.5
 
 1  
 ////////////////////////////////////////////////////////////////////////////////
 2  
 // checkstyle: Checks Java source code for adherence to a set of rules.
 3  
 // Copyright (C) 2001-2017 the original author or authors.
 4  
 //
 5  
 // This library is free software; you can redistribute it and/or
 6  
 // modify it under the terms of the GNU Lesser General Public
 7  
 // License as published by the Free Software Foundation; either
 8  
 // version 2.1 of the License, or (at your option) any later version.
 9  
 //
 10  
 // This library is distributed in the hope that it will be useful,
 11  
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
 12  
 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 13  
 // Lesser General Public License for more details.
 14  
 //
 15  
 // You should have received a copy of the GNU Lesser General Public
 16  
 // License along with this library; if not, write to the Free Software
 17  
 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 18  
 ////////////////////////////////////////////////////////////////////////////////
 19  
 
 20  
 package com.puppycrawl.tools.checkstyle.checks.coding;
 21  
 
 22  
 import com.puppycrawl.tools.checkstyle.StatelessCheck;
 23  
 import com.puppycrawl.tools.checkstyle.api.AbstractCheck;
 24  
 import com.puppycrawl.tools.checkstyle.api.DetailAST;
 25  
 import com.puppycrawl.tools.checkstyle.api.TokenTypes;
 26  
 
 27  
 /**
 28  
  * <p>
 29  
  * Checks that classes (except abstract one) define a ctor and don't rely
 30  
  * on the default one.
 31  
  * </p>
 32  
  * <p>
 33  
  * An example of how to configure the check is:
 34  
  * </p>
 35  
  * <pre>
 36  
  * &lt;module name="MissingCtor"/&gt;
 37  
  * </pre>
 38  
  *
 39  
  * @author o_sukhodolsky
 40  
  */
 41  
 @StatelessCheck
 42  9
 public class MissingCtorCheck extends AbstractCheck {
 43  
 
 44  
     /**
 45  
      * A key is pointing to the warning message text in "messages.properties"
 46  
      * file.
 47  
      */
 48  
     public static final String MSG_KEY = "missing.ctor";
 49  
 
 50  
     @Override
 51  
     public int[] getDefaultTokens() {
 52  11
         return getRequiredTokens();
 53  
     }
 54  
 
 55  
     @Override
 56  
     public int[] getAcceptableTokens() {
 57  5
         return getRequiredTokens();
 58  
     }
 59  
 
 60  
     @Override
 61  
     public int[] getRequiredTokens() {
 62  27
         return new int[] {TokenTypes.CLASS_DEF};
 63  
     }
 64  
 
 65  
     @Override
 66  
     public void visitToken(DetailAST ast) {
 67  3
         final DetailAST modifiers = ast.findFirstToken(TokenTypes.MODIFIERS);
 68  3
         if (modifiers.findFirstToken(TokenTypes.ABSTRACT) == null
 69  2
                 && ast.findFirstToken(TokenTypes.OBJBLOCK)
 70  2
                     .findFirstToken(TokenTypes.CTOR_DEF) == null) {
 71  1
             log(ast.getLineNo(), MSG_KEY);
 72  
         }
 73  3
     }
 74  
 }