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org.xml.sax

Interface XMLFilter

All Superinterfaces:
XMLReader


public interface XMLFilter
implements XMLReader

Interface for an XML filter.
This module, both source code and documentation, is in the Public Domain, and comes with NO WARRANTY. See http://www.saxproject.org for further information.

An XML filter is like an XML reader, except that it obtains its events from another XML reader rather than a primary source like an XML document or database. Filters can modify a stream of events as they pass on to the final application.

The XMLFilterImpl helper class provides a convenient base for creating SAX2 filters, by passing on all org.xml.sax.EntityResolver EntityResolver, org.xml.sax.DTDHandler DTDHandler, org.xml.sax.ContentHandler ContentHandler and org.xml.sax.ErrorHandler ErrorHandler events automatically.

Since:
SAX 2.0
Author:
David Megginson
See Also:
org.xml.sax.helpers.XMLFilterImpl

Method Summary

XMLReader

getParent()

Get the parent reader.

void

setParent(XMLReader parent)

Set the parent reader.

Method Details

getParent

public XMLReader getParent()

Get the parent reader.

This method allows the application to query the parent reader (which may be another filter). It is generally a bad idea to perform any operations on the parent reader directly: they should all pass through this filter.

Returns:
The parent filter, or null if none has been set.

setParent

public void setParent(XMLReader parent)

Set the parent reader.

This method allows the application to link the filter to a parent reader (which may be another filter). The argument may not be null.

Parameters:
parent - The parent reader.