Class EasyFileFilter


  • public class EasyFileFilter
    extends javax.swing.filechooser.FileFilter
    A convenience implementation of FileFilter that filters out all files except for those type extensions that it knows about.

    Extensions are of the type ".foo", which is typically found on Windows and Unix boxes, but not on Macinthosh. Case is ignored.

    Example - create a new filter that filerts out all files but gif and jpg image files:

    JFileChooser chooser = new JFileChooser(); EasyFileFilter filter = new EasyFileFilter( new String{"gif", "jpg"}, "JPEG & GIF Images") chooser.addChoosableFileFilter(filter); chooser.showOpenDialog(this);

    • Constructor Summary

      Constructors 
      Constructor Description
      EasyFileFilter()
      Creates a file filter.
      EasyFileFilter​(java.lang.String extension)
      Creates a file filter that accepts files with the given extension.
      EasyFileFilter​(java.lang.String[] filters)
      Creates a file filter from the given string array.
      EasyFileFilter​(java.lang.String[] filters, java.lang.String description)
      Creates a file filter from the given string array and description.
      EasyFileFilter​(java.lang.String extension, java.lang.String description)
      Creates a file filter that accepts the given file type.
    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      boolean accept​(java.io.File f)
      Return true if this file should be shown in the directory pane, false if it shouldn't.
      void addExtension​(java.lang.String extension)
      Adds a filetype "dot" extension to filter against.
      java.lang.String getDescription()
      Returns the human readable description of this filter.
      java.lang.String getExtension​(java.io.File f)
      Return the extension portion of the file's name .
      boolean isExtensionListInDescription()
      Returns whether the extension list (.jpg, .gif, etc) should show up in the human readable description.
      void setDescription​(java.lang.String description)
      Sets the human readable description of this filter.
      void setExtensionListInDescription​(boolean b)
      Determines whether the extension list (.jpg, .gif, etc) should show up in the human readable description.
      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
    • Constructor Detail

      • EasyFileFilter

        public EasyFileFilter()
        Creates a file filter. If no filters are added, then all files are accepted.
        See Also:
        addExtension(String)
      • EasyFileFilter

        public EasyFileFilter​(java.lang.String extension)
        Creates a file filter that accepts files with the given extension. Example: new ExampleFileFilter("jpg");
        See Also:
        addExtension(String)
      • EasyFileFilter

        public EasyFileFilter​(java.lang.String extension,
                              java.lang.String description)
        Creates a file filter that accepts the given file type. Example: new EasyFileFilter("jpg", "JPEG Image Images");

        Note that the "." before the extension is not needed. If provided, it will be ignored.

        See Also:
        addExtension(String)
      • EasyFileFilter

        public EasyFileFilter​(java.lang.String[] filters)
        Creates a file filter from the given string array. Example: new EasyFileFilter(String {"gif", "jpg"});

        Note that the "." before the extension is not needed adn will be ignored.

        See Also:
        addExtension(String)
      • EasyFileFilter

        public EasyFileFilter​(java.lang.String[] filters,
                              java.lang.String description)
        Creates a file filter from the given string array and description. Example: new EasyFileFilter(String {"gif", "jpg"}, "Gif and JPG Images");

        Note that the "." before the extension is not needed and will be ignored.

        See Also:
        addExtension(String)
    • Method Detail

      • accept

        public boolean accept​(java.io.File f)
        Return true if this file should be shown in the directory pane, false if it shouldn't.

        Files that begin with "." are ignored.

        Specified by:
        accept in class javax.swing.filechooser.FileFilter
        See Also:
        getExtension(File), FileFilter#accepts
      • getExtension

        public java.lang.String getExtension​(java.io.File f)
        Return the extension portion of the file's name .
        See Also:
        getExtension(java.io.File), FileFilter.accept(java.io.File)
      • addExtension

        public void addExtension​(java.lang.String extension)
        Adds a filetype "dot" extension to filter against.

        For example: the following code will create a filter that filters out all files except those that end in ".jpg" and ".tif":

        EasyFileFilter filter = new EasyFileFilter(); filter.addExtension("jpg"); filter.addExtension("tif");

        Note that the "." before the extension is not needed and will be ignored.