code: /*
   * Licensed to the Apache Software Foundation (ASF) under one or more
   * contributor license agreements.  See the NOTICE file distributed with
   * this work for additional information regarding copyright ownership.
   * The ASF licenses this file to You under the Apache License, Version 2.0
   * (the "License"); you may not use this file except in compliance with
   * the License.  You may obtain a copy of the License at
   * 
   *      http://www.apache.org/licenses/LICENSE-2.0
   * 
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  package org.apache.commons.io.filefilter;
  
  import java.io.File;
  import java.io.Serializable;
  
  /**
   * A file filter that always returns false.
   *
   * @since Commons IO 1.0
   * @version $Revision: 1005099 $ $Date: 2010-10-06 17:13:01 +0100 (Wed, 06 Oct 2010) $
   *
   * @author Stephen Colebourne
   * @see FileFilterUtils#falseFileFilter()
   */
  public class FalseFileFilter implements IOFileFilter, Serializable {
  
      /**
       * Singleton instance of false filter.
       * @since Commons IO 1.3
       */
      public static final IOFileFilter FALSE = new FalseFileFilter();
      /**
       * Singleton instance of false filter.
       * Please use the identical FalseFileFilter.FALSE constant.
       * The new name is more JDK 1.5 friendly as it doesn't clash with other
       * values when using static imports.
       */
      public static final IOFileFilter INSTANCE = FALSE;
  
      /**
       * Restrictive consructor.
       */
      protected FalseFileFilter() {
      }
  
      /**
       * Returns false.
       *
       * @param file  the file to check
       * @return false
       */
      public boolean accept(File file) {
          return false;
      }
  
      /**
       * Returns false.
       *
       * @param dir  the directory to check
       * @param name  the filename
       * @return false
       */
      public boolean accept(File dir, String name) {
          return false;
      }
  
  }
  