com.programix.gui.text
Class FilterChainDocument.BasicFilter

java.lang.Object
  com.programix.gui.text.FilterChainDocument.BasicFilter

All Implemented Interfaces:

FilterChainDocument.Filter

Direct Known Subclasses:

FilterChainDocument.WinnowFilter

Enclosing class:

FilterChainDocument

public abstract static class FilterChainDocument.BasicFilter
extends Object
implements FilterChainDocument.Filter

Implements the FilterChainDocument.Filter interface and provides a new, single filter(String) abstract method for subclasses to implement.

Author:

Paul Hyde

Constructor Summary

FilterChainDocument.BasicFilter()

Method Summary

String	filter(int offset, String src, Document doc) Calls the filter(String) method ignoring the offset and the doc.
protected abstract String	filter(String src) Implement in subclasses for filters that don't need access to the Document or the offset into the document for the current String insertion.

Methods inherited from class java.lang.Object

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

Constructor Detail

FilterChainDocument.BasicFilter

public FilterChainDocument.BasicFilter()

Method Detail

filter

public String filter(int offset,
                     String src,
                     Document doc)

Calls the filter(String) method ignoring the offset and the doc.

Specified by:

filter in interface FilterChainDocument.Filter

filter

protected abstract String filter(String src)

Implement in subclasses for filters that don't need access to the Document or the offset into the document for the current String insertion.

Parameters:

src - proposed characters to insert

Returns:

the subset of the proposed characters to insert. If no alterations are needed, the src may be returned.