Here you can find the source of hasChildNS(Node parent, String ns, String name)
public static boolean hasChildNS(Node parent, String ns, String name)
//package com.java2s; /*/* w w w . j a v a 2 s. c om*/ Copyright (c) 2005 Pierre Lindenbaum PhD Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the ``Software''), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. The name of the authors when specified in the source files shall be kept unmodified. THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 4XT.ORG BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. $Id: $ $Author: $ $Revision: $ $Date: $ $Locker: $ $RCSfile: $ $Source: $ $State: $ $Name: $ $Log: $ *************************************************************************/ import org.w3c.dom.*; public class Main { public static boolean hasChildNS(Node parent, String ns, String name) { if (parent == null) return false; for (Node c = parent.getFirstChild(); c != null; c = c.getNextSibling()) { if (isA(c, ns, name)) return true; } return false; } static public boolean isA(Node e, String ns, String localname) { if (e == null) return false; //if(e.getNodeType()!=Node.ELEMENT_NODE) return false; return ns.equals(e.getNamespaceURI()) && e.getLocalName().equals(localname); } }