Module java.desktop
Package javax.swing.border

## Class EmptyBorder

- java.lang.Object
- - javax.swing.border.AbstractBorder
  - - javax.swing.border.EmptyBorder

- All Implemented Interfaces:
    `Serializable`, `Border`
  Direct Known Subclasses:
    `BorderUIResource.EmptyBorderUIResource`, `MatteBorder`

      public class EmptyBorder
      extends AbstractBorder
      implements Serializable

  A class which provides an empty, transparent border which takes up space but does no drawing.

  Warning: Serialized objects of this class will not be compatible with future Swing releases. The current serialization support is appropriate for short term storage or RMI between applications running the same version of Swing. As of 1.4, support for long term storage of all JavaBeans™ has been added to the `java.beans` package. Please see `XMLEncoder`.

  See Also:
    Serialized Form

- - ### Field Summary

    Fields
    Modifier and Type | Field | Description
    --- | --- | ---
    `protected int` | `bottom` | The bottom inset of the border.
    `protected int` | `left` | The left inset of the border.
    `protected int` | `right` | The right inset of the border.
    `protected int` | `top` | The top inset of the border.

  - ### Constructor Summary

    Constructors
    Constructor | Description
    --- | ---
    `EmptyBorder​(int top, int left, int bottom, int right)` | Creates an empty border with the specified insets.
    `EmptyBorder​(Insets borderInsets)` | Creates an empty border with the specified insets.

  - ### Method Summary

    All Methods Instance Methods Concrete Methods
    Modifier and Type | Method | Description
    --- | --- | ---
    `Insets` | `getBorderInsets​()` | Returns the insets of the border.
    `Insets` | `getBorderInsets​(Component c, Insets insets)` | Reinitialize the insets parameter with this Border's current Insets.
    `boolean` | `isBorderOpaque​()` | Returns whether or not the border is opaque.
    `void` | `paintBorder​(Component c, Graphics g, int x, int y, int width, int height)` | Does no drawing by default.

    - ### Methods inherited from class javax.swing.border.AbstractBorder

      `getBaseline, getBaselineResizeBehavior, getBorderInsets, getInteriorRectangle, getInteriorRectangle`

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

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

- - ### Field Detail

    - #### left

          protected int left

      The left inset of the border.

    - #### right

          protected int right

      The right inset of the border.

    - #### top

          protected int top

      The top inset of the border.

    - #### bottom

          protected int bottom

      The bottom inset of the border.

  - ### Constructor Detail

    - #### EmptyBorder

          public EmptyBorder​(int top,
                             int left,
                             int bottom,
                             int right)

      Creates an empty border with the specified insets.
      Parameters:
        `top` - the top inset of the border
        `left` - the left inset of the border
        `bottom` - the bottom inset of the border
        `right` - the right inset of the border

    - #### EmptyBorder

          @ConstructorProperties("borderInsets")
          public EmptyBorder​(Insets borderInsets)

      Creates an empty border with the specified insets.
      Parameters:
        `borderInsets` - the insets of the border

  - ### Method Detail

    - #### paintBorder

          public void paintBorder​(Component c,
                                  Graphics g,
                                  int x,
                                  int y,
                                  int width,
                                  int height)

      Does no drawing by default.
      Specified by:
        `paintBorder` in interface `Border`
      Overrides:
        `paintBorder` in class `AbstractBorder`
      Parameters:
        `c` - the component for which this border is being painted
        `g` - the paint graphics
        `x` - the x position of the painted border
        `y` - the y position of the painted border
        `width` - the width of the painted border
        `height` - the height of the painted border

    - #### getBorderInsets

          public Insets getBorderInsets​(Component c,
                                        Insets insets)

      Reinitialize the insets parameter with this Border's current Insets.
      Overrides:
        `getBorderInsets` in class `AbstractBorder`
      Parameters:
        `c` - the component for which this border insets value applies
        `insets` - the object to be reinitialized
      Returns:
        the `insets` object

    - #### getBorderInsets

          public Insets getBorderInsets​()

      Returns the insets of the border.
      Returns:
        an `Insets` object containing the insets from top, left, bottom and right
      Since:
        1.3

    - #### isBorderOpaque

          public boolean isBorderOpaque​()

      Returns whether or not the border is opaque. Returns false by default.
      Specified by:
        `isBorderOpaque` in interface `Border`
      Overrides:
        `isBorderOpaque` in class `AbstractBorder`
      Returns:
        false