ExtensionFilter.java

/**
 * Copyright (C) 2015  the original author or authors.
 *
 * Licensed 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 mujava.util;

import java.io.FilenameFilter;
import java.io.File;

/**
 * <p>Description: </p>
 * @author Yu-Seung Ma
 * @version 1.0
  */ 

public class ExtensionFilter implements FilenameFilter
{
  String  mask = null;

  public ExtensionFilter()
  {
  }

  public ExtensionFilter(String str){
    mask = str;
  }

  public boolean accept(File dir, String name)
  {
    if(mask!=null){
      if( name.indexOf("$")>=0) return false;
      int index = name.lastIndexOf(".");
      String ext_name = name.substring(index+1,name.length());
      if(ext_name.equals(mask)){
	return true;
      }else{
	return false;
      }
    }else{
      return true;
    }
  }
}