////////////////////////////////////////////////////////////////////////////////

 // checkstyle: Checks Java source code for adherence to a set of rules.

 // Copyright (C) 2001-2014  Oliver Burn

 //

 // This library is free software; you can redistribute it and/or

 // modify it under the terms of the GNU Lesser General Public

 // License as published by the Free Software Foundation; either

 // version 2.1 of the License, or (at your option) any later version.

 //

 // This library is distributed in the hope that it will be useful,

 // but WITHOUT ANY WARRANTY; without even the implied warranty of

 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

 // Lesser General Public License for more details.

 //

 // You should have received a copy of the GNU Lesser General Public

 // License along with this library; if not, write to the Free Software

 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

 ////////////////////////////////////////////////////////////////////////////////

 package com.puppycrawl.tools.checkstyle.checks.design;

 import com.puppycrawl.tools.checkstyle.api.Check;

 import com.puppycrawl.tools.checkstyle.api.DetailAST;

 import com.puppycrawl.tools.checkstyle.api.TokenTypes;

 /**

  * <p>

  * Check nested (internal) classes/interfaces are declared at the bottom of the

  * class after all method and field declarations.

  * </p>

  *

  * @author <a href="mailto:ryly@mail.ru">Ruslan Dyachenko</a>

  */

 public class InnerTypeLastCheck extends Check

 {

     @Override

     public int[] getDefaultTokens()

     {

         return new int[] {TokenTypes.CLASS_DEF, TokenTypes.INTERFACE_DEF};

     }

     /** Meet a root class. */

     private boolean mRootClass = true;

     @Override

     public void visitToken(DetailAST aAST)

     {

         /** First root class */

         if (mRootClass) {

             mRootClass = false;

         }

         else {

             DetailAST nextSibling = aAST.getNextSibling();

             while (null != nextSibling

                 && ((nextSibling.getType() != TokenTypes.CLASS_DEF)

                     || (nextSibling.getType() != TokenTypes.INTERFACE_DEF)))

             {

                 if (nextSibling.getType() == TokenTypes.VARIABLE_DEF

                         || nextSibling.getType() == TokenTypes.METHOD_DEF)

                 {

                     log(nextSibling.getLineNo(), nextSibling.getColumnNo(),

                         "arrangement.members.before.inner");

                 }

                 nextSibling = nextSibling.getNextSibling();

             }

         }

     }

     @Override

     public void leaveToken(DetailAST aAST)

     {

         /** Is this a root class */

         if (null == aAST.getParent()) {

             mRootClass = true;

         }

     }

 }