src/demo/share/jfc/SwingSet2/ExampleFileView.java

*** 57,69 ****
   *    chooser.setFileView(fileView);
   *
   * @author Jeff Dinkins
   */
  public class ExampleFileView extends FileView {
!     private Hashtable icons = new Hashtable(5);
!     private Hashtable fileDescriptions = new Hashtable(5);
!     private Hashtable typeDescriptions = new Hashtable(5);
  
      /**
       * The name of the file.  Do nothing special here. Let
       * the system file view handle this.
       * @see FileView#getName
--- 57,69 ----
   *    chooser.setFileView(fileView);
   *
   * @author Jeff Dinkins
   */
  public class ExampleFileView extends FileView {
!     private Hashtable<String, Icon> icons = new Hashtable<>(5);
!     private Hashtable<File, String> fileDescriptions = new Hashtable<>(5);
!     private Hashtable<String, String> typeDescriptions = new Hashtable<>(5);
  
      /**
       * The name of the file.  Do nothing special here. Let
       * the system file view handle this.
       * @see FileView#getName
*** 83,93 ****
       * A human readable description of the file.
       *
       * @see FileView#getDescription
       */
      public String getDescription(File f) {
!         return (String) fileDescriptions.get(f);
      };
  
      /**
       * Adds a human readable type description for files. Based on "dot"
       * extension strings, e.g: ".gif". Case is ignored.
--- 83,93 ----
       * A human readable description of the file.
       *
       * @see FileView#getDescription
       */
      public String getDescription(File f) {
!         return fileDescriptions.get(f);
      };
  
      /**
       * Adds a human readable type description for files. Based on "dot"
       * extension strings, e.g: ".gif". Case is ignored.
*** 109,119 ****
       * A human readable description of the type of the file.
       *
       * @see FileView#getTypeDescription
       */
      public String getTypeDescription(File f) {
!         return (String) typeDescriptions.get(getExtension(f));
      }
  
      /**
       * Convenience method that returns the "dot" extension for the
       * given file.
--- 109,119 ----
       * A human readable description of the type of the file.
       *
       * @see FileView#getTypeDescription
       */
      public String getTypeDescription(File f) {
!         return typeDescriptions.get(getExtension(f));
      }
  
      /**
       * Convenience method that returns the "dot" extension for the
       * given file.
*** 147,157 ****
       */
      public Icon getIcon(File f) {
          Icon icon = null;
          String extension = getExtension(f);
          if(extension != null) {
!             icon = (Icon) icons.get(extension);
          }
          return icon;
      }
  
      /**
--- 147,157 ----
       */
      public Icon getIcon(File f) {
          Icon icon = null;
          String extension = getExtension(f);
          if(extension != null) {
!             icon = icons.get(extension);
          }
          return icon;
      }
  
      /**