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    1   /*
    2    * Licensed to the Apache Software Foundation (ASF) under one
    3    * or more contributor license agreements.  See the NOTICE file
    4    * distributed with this work for additional information
    5    * regarding copyright ownership.  The ASF licenses this file
    6    * to you under the Apache License, Version 2.0 (the
    7    * "License"); you may not use this file except in compliance
    8    * with the License.  You may obtain a copy of the License at
    9    *
   10    *  http://www.apache.org/licenses/LICENSE-2.0
   11    *
   12    * Unless required by applicable law or agreed to in writing,
   13    * software distributed under the License is distributed on an
   14    * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
   15    * KIND, either express or implied.  See the License for the
   16    * specific language governing permissions and limitations
   17    * under the License.
   18    */
   19   
   20   package org.apache.geronimo.kernel.config.transformer;
   21   
   22   import java.io.File;
   23   import java.io.FileFilter;
   24   import java.util.regex.Matcher;
   25   import java.util.regex.Pattern;
   26   
   27   /**
   28    *
   29    * @version $Rev:$ $Date:$
   30    */
   31   public class PatternFilter implements FileFilter {
   32   
   33       private final Pattern pattern;
   34       
   35       public PatternFilter(Pattern pattern) {
   36           if (null == pattern) {
   37               throw new IllegalArgumentException("pattern is required");
   38           }
   39           this.pattern = pattern;
   40       }
   41   
   42       public boolean accept(File pathname) {
   43           Matcher matcher = pattern.matcher(pathname.getName());
   44           return matcher.matches();
   45       }
   46   
   47   }

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