RTFEditorKit (Java Platform SE 8 )
Keywords: javax.swing.text.rtf.RTFEditorKit class
Date: 2026-04-24

javax.swing.text.rtf

## Class RTFEditorKit

- java.lang.Object
- - javax.swing.text.EditorKit
  - - javax.swing.text.DefaultEditorKit
    - - javax.swing.text.StyledEditorKit
      - - javax.swing.text.rtf.RTFEditorKit

- All Implemented Interfaces:
    Serializable, Cloneable

      public class RTFEditorKit
      extends StyledEditorKit

  This is the default implementation of RTF editing functionality. The RTF support was not written by the Swing team. In the future we hope to improve the support provided.

- - ### Nested Class Summary

    - ### Nested classes/interfaces inherited from class javax.swing.text.StyledEditorKit

      `StyledEditorKit.AlignmentAction, StyledEditorKit.BoldAction, StyledEditorKit.FontFamilyAction, StyledEditorKit.FontSizeAction, StyledEditorKit.ForegroundAction, StyledEditorKit.ItalicAction, StyledEditorKit.StyledTextAction, StyledEditorKit.UnderlineAction`

    - ### Nested classes/interfaces inherited from class javax.swing.text.DefaultEditorKit

      `DefaultEditorKit.BeepAction, DefaultEditorKit.CopyAction, DefaultEditorKit.CutAction, DefaultEditorKit.DefaultKeyTypedAction, DefaultEditorKit.InsertBreakAction, DefaultEditorKit.InsertContentAction, DefaultEditorKit.InsertTabAction, DefaultEditorKit.PasteAction`

  - ### Field Summary

    - ### Fields inherited from class javax.swing.text.DefaultEditorKit

      `backwardAction, beepAction, beginAction, beginLineAction, beginParagraphAction, beginWordAction, copyAction, cutAction, defaultKeyTypedAction, deleteNextCharAction, deleteNextWordAction, deletePrevCharAction, deletePrevWordAction, downAction, endAction, endLineAction, EndOfLineStringProperty, endParagraphAction, endWordAction, forwardAction, insertBreakAction, insertContentAction, insertTabAction, nextWordAction, pageDownAction, pageUpAction, pasteAction, previousWordAction, readOnlyAction, selectAllAction, selectionBackwardAction, selectionBeginAction, selectionBeginLineAction, selectionBeginParagraphAction, selectionBeginWordAction, selectionDownAction, selectionEndAction, selectionEndLineAction, selectionEndParagraphAction, selectionEndWordAction, selectionForwardAction, selectionNextWordAction, selectionPreviousWordAction, selectionUpAction, selectLineAction, selectParagraphAction, selectWordAction, upAction, writableAction`

  - ### Constructor Summary

    Constructors
    Constructor and Description
    `RTFEditorKit()` Constructs an RTFEditorKit.

  - ### Method Summary

    All Methods Instance Methods Concrete Methods
    Modifier and Type | Method and Description
    --- | ---
    `String` | `getContentType()` Get the MIME type of the data that this kit represents support for.
    `void` | `read(InputStream in, Document doc, int pos)` Insert content from the given stream which is expected to be in a format appropriate for this kind of content handler.
    `void` | `read(Reader in, Document doc, int pos)` Insert content from the given stream, which will be treated as plain text.
    `void` | `write(OutputStream out, Document doc, int pos, int len)` Write content from a document to the given stream in a format appropriate for this kind of content handler.
    `void` | `write(Writer out, Document doc, int pos, int len)` Write content from a document to the given stream as plain text.

    - ### Methods inherited from class javax.swing.text.StyledEditorKit

      `clone, createDefaultDocument, createInputAttributes, deinstall, getActions, getCharacterAttributeRun, getInputAttributes, getViewFactory, install`

    - ### Methods inherited from class javax.swing.text.DefaultEditorKit

      `createCaret`

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

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

- - ### Constructor Detail

    - #### RTFEditorKit

          public RTFEditorKit()

      Constructs an RTFEditorKit.

  - ### Method Detail

    - #### getContentType

          public String getContentType()

      Get the MIME type of the data that this kit represents support for. This kit supports the type `text/rtf`.
      Overrides:
        `getContentType` in class `DefaultEditorKit`
      Returns:
        the type

    - #### read

          public void read(InputStream in,
                           Document doc,
                           int pos)
                    throws IOException,
                           BadLocationException

      Insert content from the given stream which is expected to be in a format appropriate for this kind of content handler.
      Overrides:
        `read` in class `DefaultEditorKit`
      Parameters:
        `in` - The stream to read from
        `doc` - The destination for the insertion.
        `pos` - The location in the document to place the content.
      Throws:
        `IOException` - on any I/O error
        `BadLocationException` - if pos represents an invalid location within the document.

    - #### write

          public void write(OutputStream out,
                            Document doc,
                            int pos,
                            int len)
                     throws IOException,
                            BadLocationException

      Write content from a document to the given stream in a format appropriate for this kind of content handler.
      Overrides:
        `write` in class `DefaultEditorKit`
      Parameters:
        `out` - The stream to write to
        `doc` - The source for the write.
        `pos` - The location in the document to fetch the content.
        `len` - The amount to write out.
      Throws:
        `IOException` - on any I/O error
        `BadLocationException` - if pos represents an invalid location within the document.

    - #### read

          public void read(Reader in,
                           Document doc,
                           int pos)
                    throws IOException,
                           BadLocationException

      Insert content from the given stream, which will be treated as plain text.
      Overrides:
        `read` in class `DefaultEditorKit`
      Parameters:
        `in` - The stream to read from
        `doc` - The destination for the insertion.
        `pos` - The location in the document to place the content.
      Throws:
        `IOException` - on any I/O error
        `BadLocationException` - if pos represents an invalid location within the document.

    - #### write

          public void write(Writer out,
                            Document doc,
                            int pos,
                            int len)
                     throws IOException,
                            BadLocationException

      Write content from a document to the given stream as plain text.
      Overrides:
        `write` in class `DefaultEditorKit`
      Parameters:
        `out` - The stream to write to
        `doc` - The source for the write.
        `pos` - The location in the document to fetch the content.
        `len` - The amount to write out.
      Throws:
        `IOException` - on any I/O error
        `BadLocationException` - if pos represents an invalid location within the document.

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