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

 // 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.filters;

 /**

  * This filter accepts an Integer in a range.

  * @author Rick Giles

  */

 class IntRangeFilter implements IntFilter

 {

     /** hash function multiplicand */

     private static final int HASH_MULT = 29;

     /** lower bound of the range */

     private final Integer mLowerBound;

     /** upper bound of the range */

     private final Integer mUpperBound;

     /**

      * Constructs a <code>IntRangeFilter</code> with a

      * lower bound and an upper bound for the range.

      * @param aLowerBound the lower bound of the range.

      * @param aUpperBound the upper bound of the range.

      */

     public IntRangeFilter(int aLowerBound, int aUpperBound)

     {

         mLowerBound = aLowerBound;

         mUpperBound = aUpperBound;

     }

     /** {@inheritDoc} */

     public boolean accept(int aInt)

     {

         return ((mLowerBound.compareTo(aInt) <= 0)

             && (mUpperBound.compareTo(aInt) >= 0));

     }

     @Override

     public int hashCode()

     {

         return HASH_MULT * mLowerBound.intValue() + mUpperBound.intValue();

     }

     @Override

     public boolean equals(Object aObject)

     {

         if (aObject instanceof IntRangeFilter) {

             final IntRangeFilter other = (IntRangeFilter) aObject;

             return (this.mLowerBound.equals(other.mLowerBound)

                 && this.mUpperBound.equals(other.mUpperBound));

         }

         return false;

     }

     @Override

     public String toString()

     {

         return "IntRangeFilter[" + mLowerBound + "," + mUpperBound + "]";

     }

 }