Coverage Report - com.puppycrawl.tools.checkstyle.checks.coding.IllegalCatchCheck
 
Classes in this File Line Coverage Branch Coverage Complexity
IllegalCatchCheck
90%
9/10
100%
2/2
1.25
 
 1  
 ////////////////////////////////////////////////////////////////////////////////
 2  
 // checkstyle: Checks Java source code for adherence to a set of rules.
 3  
 // Copyright (C) 2001-2014  Oliver Burn
 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  
 package com.puppycrawl.tools.checkstyle.checks.coding;
 20  
 
 21  
 import com.puppycrawl.tools.checkstyle.api.DetailAST;
 22  
 import com.puppycrawl.tools.checkstyle.api.FullIdent;
 23  
 import com.puppycrawl.tools.checkstyle.api.TokenTypes;
 24  
 import com.puppycrawl.tools.checkstyle.checks.CheckUtils;
 25  
 
 26  
 /**
 27  
  * Catching java.lang.Exception, java.lang.Error or java.lang.RuntimeException
 28  
  * is almost never acceptable.
 29  
  * @author <a href="mailto:simon@redhillconsulting.com.au">Simon Harris</a>
 30  
  */
 31  
 public final class IllegalCatchCheck extends AbstractIllegalCheck
 32  
 {
 33  
     /** Creates new instance of the check. */
 34  
     public IllegalCatchCheck()
 35  
     {
 36  21
         super(new String[] {"Exception", "Error",
 37  
                             "RuntimeException", "Throwable",
 38  
                             "java.lang.Error",
 39  
                             "java.lang.Exception",
 40  
                             "java.lang.RuntimeException",
 41  
                             "java.lang.Throwable",
 42  
         });
 43  21
     }
 44  
 
 45  
     @Override
 46  
     public int[] getDefaultTokens()
 47  
     {
 48  21
         return new int[] {TokenTypes.LITERAL_CATCH};
 49  
     }
 50  
 
 51  
     @Override
 52  
     public int[] getRequiredTokens()
 53  
     {
 54  0
         return getDefaultTokens();
 55  
     }
 56  
 
 57  
     @Override
 58  
     public void visitToken(DetailAST aDetailAST)
 59  
     {
 60  76
         final DetailAST paramDef =
 61  
             aDetailAST.findFirstToken(TokenTypes.PARAMETER_DEF);
 62  76
         final DetailAST excType = paramDef.findFirstToken(TokenTypes.TYPE);
 63  76
         final FullIdent ident = CheckUtils.createFullType(excType);
 64  
 
 65  76
         if (isIllegalClassName(ident.getText())) {
 66  74
             log(aDetailAST, "illegal.catch", ident.getText());
 67  
         }
 68  76
     }
 69  
 }