XmlSchema/src/main/java/org/apache/ws/commons/schema/utils/XDOMUtil.java

/*
 * Copyright 2004,2007 The Apache Software Foundation.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.ws.commons.schema.utils;

import org.w3c.dom.Element;
import org.w3c.dom.Node;

public class XDOMUtil extends DOMUtil {

    /**
     * Creates a new instance of XDOMUtil
     */
    private XDOMUtil() {
    }

    public static Element getFirstChildElementNS(Node parent, String uri) {

        // search for node
        Node child = parent.getFirstChild();
        while (child != null) {
            if (child.getNodeType() == Node.ELEMENT_NODE) {
                String childURI = child.getNamespaceURI();
                if (childURI != null && childURI.equals(uri)) {
                    return (Element) child;
                }
            }
            child = child.getNextSibling();
        }

        // not found
        return null;

    }

    public static Element getNextSiblingElementNS(Node node, String uri) {
        // search for node
        Node sibling = node.getNextSibling();
        while (sibling != null) {
            if (sibling.getNodeType() == Node.ELEMENT_NODE) {
                String siblingURI = sibling.getNamespaceURI();
                if (siblingURI != null && siblingURI.equals(uri)) {
                    return (Element) sibling;
                }
            }
            sibling = sibling.getNextSibling();
        }

        // not found
        return null;

    }

}