https://github.com/FasterXML/woodstox: Woodstox is a high-performance XML processor that implements Stax (JSR-173), SAX2 and Stax2 APIs (FasterXML)
  • Tatu Saloranta 
package com.ctc.wstx.sr;

import com.ctc.wstx.dtd.DTDId;
import com.ctc.wstx.dtd.DTDSubset;
import com.ctc.wstx.util.SymbolTable;


Interface that defines callbacks readers can use to access settings
of the input factory that created them, as well as update cached
data factory may store (shared symbol tables, cached DTDs etc).


Note that readers in general should only access the configuration info
when they are created (from constructor).

/**
 * Interface that defines callbacks readers can use to access settings
 * of the input factory that created them, as well as update cached
 * data factory may store (shared symbol tables, cached DTDs etc).
 *<p>
 * Note that readers in general should only access the configuration info
 * when they are created (from constructor).
 */
public interface ReaderCreator
{
    /*
    ///////////////////////////////////////////////////////
    // Methods for accessing configuration info
    ///////////////////////////////////////////////////////
     */

    public DTDSubset findCachedDTD(DTDId id);

    /*
    ///////////////////////////////////////////////////////
    // Methods for updating information factory has
    ///////////////////////////////////////////////////////
     */
    
    public void updateSymbolTable(SymbolTable t);

    public void addCachedDTD(DTDId id, DTDSubset extSubset);
}