package org.codehaus.classloader;

import java.io.File;
import java.io.FileFilter;

/**
 * This implementation checks if a File is a directory or ends with a predefined suffix.
 * (.jar by default)
 * <p>
 * @author Ben Yu
 * Aug 2, 2006 6:59:51 PM
 */
public class MayBeClassSource implements FileFilter {
  private final String suffix;
  
  public String getSuffix() {
    return suffix;
  }

  public MayBeClassSource(String suffix) {
    this.suffix = suffix;
  }
  public MayBeClassSource(){
    this(".jar");
  }
  public boolean accept(File pathname) {
    return pathname.isDirectory() || pathname.getName().endsWith(suffix);
  }
  private static final MayBeClassSource singleton = new MayBeClassSource();
  public static FileFilter defaultInstance(){
    return singleton;
  }
}