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

 // 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;

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

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

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

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

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

 /**

  * <p>

  * This filter accepts AuditEvents according to file, check, line, and

  * column, as specified in a suppression file.

  * </p>

  * @author Rick Giles

  */

 public class SuppressionFilter

     extends AutomaticBean

     implements Filter

 {

     /** set of individual suppresses */

     private FilterSet mFilters = new FilterSet();

     /**

      * Loads the suppressions for a file.

      * @param aFileName name of the suppressions file.

      * @throws CheckstyleException if there is an error.

      */

     public void setFile(String aFileName)

         throws CheckstyleException

     {

         mFilters = SuppressionsLoader.loadSuppressions(aFileName);

     }

     /** {@inheritDoc} */

     public boolean accept(AuditEvent aEvent)

     {

         return mFilters.accept(aEvent);

     }

     @Override

     public String toString()

     {

         return mFilters.toString();

     }

     @Override

     public int hashCode()

     {

         return mFilters.hashCode();

     }

     @Override

     public boolean equals(Object aObject)

     {

         if (aObject instanceof SuppressionFilter) {

             final SuppressionFilter other = (SuppressionFilter) aObject;

             return this.mFilters.equals(other.mFilters);

         }

         return false;

     }

 }