content: /**
   * 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.solr.common.util;
  
  import java.io.File;
  import java.io.FileFilter;
  import java.util.regex.*;
  
  /**
   * Accepts any file whose name matches the pattern
   * @version $Id: RegexFileFilter.java 1065312 2011-01-30 16:08:25Z rmuir $
   */
  public final class RegexFileFilter implements FileFilter {
  
    final Pattern pattern;
    public RegexFileFilter(String regex) {
      this(Pattern.compile(regex));
    }
    public RegexFileFilter(Pattern regex) {
      pattern = regex;
    }
    public boolean accept(File f) {
      return pattern.matcher(f.getName()).matches();
    }
    @Override
    public String toString() {
      return "regex:" + pattern.toString();
    }
  }
  