- java.lang.Object
-
- javax.swing.text.DocumentFilter.FilterBypass
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- 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
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Constructor Summary
Constructors Constructor and Description DocumentFilter.FilterBypass()
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Method Summary
Methods Modifier and Type Method and Description abstract Document
getDocument()
Returns the Document the mutation is occuring 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 fromoffset
tooffset + length
, and replaces it withtext
.
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Method Detail
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getDocument
public abstract Document getDocument()
Returns the Document the mutation is occuring on.- Returns:
- Document that remove/insertString will operate on
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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 >= 0length
- 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.
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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 insertattr
- 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
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replace
public abstract void replace(int offset, int length, String string, AttributeSet attrs) throws BadLocationException
Deletes the region of text fromoffset
tooffset + length
, and replaces it withtext
.- Parameters:
offset
- Location in Documentlength
- Length of text to deletestring
- Text to insert, null indicates no text to insertattrs
- AttributeSet indicating attributes of inserted text, null is legal.- Throws:
BadLocationException
- the given insert is not a valid position within the document
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Document created the 11/06/2005, last modified the 04/03/2020
Source of the printed document:https://www.gaudry.be/en/java-api-rf-javax/swing/text/DocumentFilter.FilterBypass.html
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