1 package net.sourceforge.pmd.util.filter; 2 3 import java.io.File; 4 5 /** 6 * Directory filter. 7 */ 8 public class DirectoryFilter implements Filter<File> { 9 public static final DirectoryFilter INSTANCE = new DirectoryFilter(); 10 11 private DirectoryFilter() { 12 } 13 14 public boolean filter(File file) { 15 return file.isDirectory(); 16 } 17 }