Module javafx.graphics
Package javafx.css

## Class Stylesheet

- java.lang.Object
- - javafx.css.Stylesheet

-     public class Stylesheet
      extends Object

  A stylesheet which can apply properties to a tree of objects. A stylesheet is a collection of zero or more `Rules`, each of which is applied to each object in the tree. Typically the selector will examine the object to determine whether or not it is applicable, and if so it will apply certain property values to the object.
  Since:
    9

- - ### Method Summary

    Modifier and Type | Method | Description
    --- | --- | ---
    `static void` | `convertToBinary​(File source, File destination)` | Converts the css file referenced by `source` to binary format and writes it to `destination`.
    `boolean` | `equals​(Object obj)` | Indicates whether this `Stylesheet` is "equal to" some other object.
    `List<FontFace>` | `getFontFaces()` | Returns the font faces used by this `Stylesheet`.
    `StyleOrigin` | `getOrigin()` | Returns the origin of this `Stylesheet`.
    `List<Rule>` | `getRules()` | Returns the rules that are defined in this `Stylesheet`.
    `String` | `getUrl()` | The URL from which this `Stylesheet` was loaded.
    `int` | `hashCode()`
    `static Stylesheet` | `loadBinary​(URL url)` | Loads a binary stylesheet from a `URL`.
    `void` | `setOrigin​(StyleOrigin origin)` | Sets the origin of this `Stylesheet`.
    `String` | `toString()` | Returns a string representation of this object.

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

      `clone, finalize, getClass, notify, notifyAll, wait, wait, wait`

- - ### Method Detail

    - #### getUrl

          public String getUrl()

      The URL from which this `Stylesheet` was loaded.
      Returns:
        A `String` representation of the URL from which the stylesheet was loaded, or `null` if the stylesheet was created from an inline style.

    - #### getOrigin

          public StyleOrigin getOrigin()

      Returns the origin of this `Stylesheet`.
      Returns:
        the origin of this `Stylesheet`

    - #### setOrigin

          public void setOrigin​(StyleOrigin origin)

      Sets the origin of this `Stylesheet`.
      Parameters:
        `origin` - the origin of this `Stylesheet`

    - #### getRules

          public List<Rule> getRules()

      Returns the rules that are defined in this `Stylesheet`.
      Returns:
        a list of rules used by this `Stylesheet`

    - #### getFontFaces

          public List<FontFace> getFontFaces()

      Returns the font faces used by this `Stylesheet`.
      Returns:
        a list of font faces used by this `Stylesheet`

    - #### equals

          public boolean equals​(Object obj)

      Indicates whether this `Stylesheet` is "equal to" some other object. Equality of two `Stylesheet`s is based on the equality of their URL as defined by `getUrl()`.
      Overrides:
        `equals` in class `Object`

    - #### hashCode

          public int hashCode()

      Overrides:
        `hashCode` in class `Object`

    - #### toString

          public String toString()

      Returns a string representation of this object.
      Overrides:
        `toString` in class `Object`

    - #### loadBinary

          public static Stylesheet loadBinary​(URL url)
                                       throws IOException

      Loads a binary stylesheet from a `URL`.
      Parameters:
        `url` - the `URL` from which the `Stylesheet` will be loaded
      Returns:
        the loaded `Stylesheet`
      Throws:
        `IOException` - if the binary stream corresponds to a more recent binary css version or if an I/O error occurs while reading from the stream

    - #### convertToBinary

          public static void convertToBinary​(File source,
                                             File destination)
                                      throws IOException

      Converts the css file referenced by `source` to binary format and writes it to `destination`.
      Parameters:
        `source` - the JavaFX compliant css file to convert
        `destination` - the file to which the binary formatted data is written
      Throws:
        `IOException` - if the destination file can not be created or if an I/O error occurs
        `IllegalArgumentException` - if either parameter is `null`, if `source` and `destination` are the same, if `source` cannot be read, or if `destination` cannot be written