The NodeFilter Interface

package org.w3c.dom.traversal;

public interface NodeFilter {

    // Constants returned by acceptNode
    public static final short   FILTER_ACCEPT = 1;
    public static final short   FILTER_REJECT = 2;
    public static final short   FILTER_SKIP   = 3;

    public short acceptNode(Node n);
    
    // Constants for whatToShow
    public static final int     SHOW_ALL                    = 0x0000FFFF;
    public static final int     SHOW_ELEMENT                = 0x00000001;
    public static final int     SHOW_ATTRIBUTE              = 0x00000002;
    public static final int     SHOW_TEXT                   = 0x00000004;
    public static final int     SHOW_CDATA_SECTION          = 0x00000008;
    public static final int     SHOW_ENTITY_REFERENCE       = 0x00000010;
    public static final int     SHOW_ENTITY                 = 0x00000020;
    public static final int     SHOW_PROCESSING_INSTRUCTION = 0x00000040;
    public static final int     SHOW_COMMENT                = 0x00000080;
    public static final int     SHOW_DOCUMENT               = 0x00000100;
    public static final int     SHOW_DOCUMENT_TYPE          = 0x00000200;
    public static final int     SHOW_DOCUMENT_FRAGMENT      = 0x00000400;
    public static final int     SHOW_NOTATION               = 0x00000800;

}