package org.catacomb.druid.swing;
   
   import java.io.File;
   
   import javax.swing.filechooser.FileFilter;
   
   
   class ExtFileFilter extends FileFilter {
   
      String extensions;
      String description;
  
      public ExtFileFilter(String se, String sd) {
          extensions = ":" + se + ":";
          description = sd;
  
      }
  
      public boolean accept(File f) {
          String s = f.getName();
          boolean ok = false;
          if (f.isDirectory()) {
              ok = true;
          }
          int l = s.lastIndexOf(".");
          if (l > 0) {
              String ext = s.substring(l+1, s.length());
              if (extensions.indexOf(":" + ext + ":") >= 0) {
                  ok = true;
              }
          }
          return ok;
      }
  
      public String getDescription() {
          return description;
  
      }
  }