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Showing content from https://docs.oracle.com/javase/8/docs/api/javax/swing/text/DocumentFilter.FilterBypass.html below:

DocumentFilter.FilterBypass (Java Platform SE 8 )

java.lang.Object
- javax.swing.text.DocumentFilter.FilterBypass

Enclosing class:

DocumentFilter
```
public abstract static class DocumentFilter.FilterBypass
extends Object
```
Used as a way to circumvent calling back into the Document to change it. Document implementations that wish to support a DocumentFilter must provide an implementation that will not callback into the DocumentFilter when the following methods are invoked from the DocumentFilter.

Since:

1.4

- Constructor Summary
- Method Summary All Methods Instance Methods Abstract Methods Modifier and Type Method Description abstract Document getDocument()
  Returns the Document the mutation is occurring on.
  abstract void insertString(int offset, String string, AttributeSet attr)
  Inserts the specified text, bypassing the DocumentFilter.
  abstract void remove(int offset, int length)
  Removes the specified region of text, bypassing the DocumentFilter.
  abstract void replace(int offset, int length, String string, AttributeSet attrs)
  Deletes the region of text from offset to offset + length, and replaces it with text.
  - Methods inherited from class java.lang.Objectclone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - FilterBypass
```
public FilterBypass()
```
- Method Detail
  - getDocument
```
public abstract Document getDocument()
```
    Returns the Document the mutation is occurring on.
    
    Returns:
    
    Document that remove/insertString will operate on
  - remove
```
public abstract void remove(int offset,
                            int length)
                     throws BadLocationException
```
    Removes the specified region of text, bypassing the DocumentFilter.
    
    Parameters:
    
    offset - the offset from the beginning >= 0
    
    length - the number of characters to remove >= 0
    
    Throws:
    
    BadLocationException - some portion of the removal range was not a valid part of the document. The location in the exception is the first bad position encountered.
  - insertString
```
public abstract void insertString(int offset,
                                  String string,
                                  AttributeSet attr)
                           throws BadLocationException
```
    Inserts the specified text, bypassing the DocumentFilter.
    
    Parameters:
    
    offset - the offset into the document to insert the content >= 0. All positions that track change at or after the given location will move.
    
    string - the string to insert
    
    attr - the attributes to associate with the inserted content. This may be null if there are no attributes.
    
    Throws:
    
    BadLocationException - the given insert position is not a valid position within the document
  - replace
```
public abstract void replace(int offset,
                             int length,
                             String string,
                             AttributeSet attrs)
                      throws BadLocationException
```
    Deletes the region of text from offset to offset + length, and replaces it with text.
    
    Parameters:
    
    offset - Location in Document
    
    length - Length of text to delete
    
    string - Text to insert, null indicates no text to insert
    
    attrs - AttributeSet indicating attributes of inserted text, null is legal.
    
    Throws:
    
    BadLocationException - the given insert is not a valid position within the document

Submit a bug or feature For further API reference and developer documentation, see Java SE Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples. Copyright © 1993, 2025, Oracle and/or its affiliates. All rights reserved. Use is subject to license terms. Also see the documentation redistribution policy.

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