weka.gui

## Class ExtensionFileFilter

- java.lang.Object
- - javax.swing.filechooser.FileFilter
  - - weka.gui.ExtensionFileFilter

- All Implemented Interfaces:
    java.io.FilenameFilter, java.io.Serializable

      public class ExtensionFileFilter
      extends javax.swing.filechooser.FileFilter
      implements java.io.FilenameFilter, java.io.Serializable

  Provides a file filter for FileChoosers that accepts or rejects files based on their extension. Compatible with both java.io.FilenameFilter and javax.swing.filechooser.FileFilter (why there are two I have no idea).
  Version:
    $Revision: 10216 $
  Author:
    Len Trigg (trigg@cs.waikato.ac.nz)
  See Also:
    Serialized Form

- - ### Constructor Summary

    Constructors
    Constructor and Description
    `ExtensionFileFilter(java.lang.String[] extensions, java.lang.String description)` Creates an ExtensionFileFilter that accepts files that have any of the extensions contained in the supplied array.
    `ExtensionFileFilter(java.lang.String extension, java.lang.String description)` Creates the ExtensionFileFilter

  - ### Method Summary

    Methods
    Modifier and Type | Method and Description
    --- | ---
    `boolean` | `accept(java.io.File file)` Returns true if the supplied file should be accepted (i.e.: if it has the required extension or is a directory).
    `boolean` | `accept(java.io.File dir, java.lang.String name)` Returns true if the file in the given directory with the given name should be accepted.
    `java.lang.String` | `getDescription()` Gets the description of accepted files.
    `java.lang.String[]` | `getExtensions()` Returns a copy of the acceptable extensions.

    - ### Methods inherited from class java.lang.Object

      `equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

- - ### Constructor Detail

    - #### ExtensionFileFilter

          public ExtensionFileFilter(java.lang.String extension,
                             java.lang.String description)

      Creates the ExtensionFileFilter
      Parameters:
        `extension` - the extension of accepted files.
        `description` - a text description of accepted files.

    - #### ExtensionFileFilter

          public ExtensionFileFilter(java.lang.String[] extensions,
                             java.lang.String description)

      Creates an ExtensionFileFilter that accepts files that have any of the extensions contained in the supplied array.
      Parameters:
        `extensions` - an array of acceptable file extensions (as Strings).
        `description` - a text description of accepted files.

  - ### Method Detail

    - #### getDescription

          public java.lang.String getDescription()

      Gets the description of accepted files.
      Specified by:
        `getDescription` in class `javax.swing.filechooser.FileFilter`
      Returns:
        the description.

    - #### getExtensions

          public java.lang.String[] getExtensions()

      Returns a copy of the acceptable extensions.
      Returns:
        the accepted extensions

    - #### accept

          public boolean accept(java.io.File file)

      Returns true if the supplied file should be accepted (i.e.: if it has the required extension or is a directory).
      Specified by:
        `accept` in class `javax.swing.filechooser.FileFilter`
      Parameters:
        `file` - the file of interest.
      Returns:
        true if the file is accepted by the filter.

    - #### accept

          public boolean accept(java.io.File dir,
                       java.lang.String name)

      Returns true if the file in the given directory with the given name should be accepted.
      Specified by:
        `accept` in interface `java.io.FilenameFilter`
      Parameters:
        `dir` - the directory where the file resides.
        `name` - the name of the file.
      Returns:
        true if the file is accepted.