Java XML Child Get getChild(Node parent, String name)

Description

Get the first element child.

License

Apache License

Parameter

Parameter	Description
parent	lookup direct childs
name	name of the element. If null return the first element.

Declaration

public static Node getChild(Node parent, String name) 

Method Source Code

//package com.java2s;
/*/*from w  w w  .  j ava 2 s . c  om*/
 * Copyright 1999,2004 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.
 */

import org.w3c.dom.Node;

public class Main {
    /**
     * Get the first element child.
     * 
     * @param parent
     *            lookup direct childs
     * @param name
     *            name of the element. If null return the first element.
     */
    public static Node getChild(Node parent, String name) {
        if (parent == null)
            return null;
        Node first = parent.getFirstChild();
        if (first == null)
            return null;

        for (Node node = first; node != null; node = node.getNextSibling()) {

            if (node.getNodeType() != Node.ELEMENT_NODE)
                continue;
            if (name != null && name.equals(node.getNodeName())) {
                return node;
            }
            if (name == null) {
                return node;
            }
        }
        return null;
    }

    /**
     * Get the first direct child with a given type
     */
    public static Node getChild(Node parent, int type) {
        Node n = parent.getFirstChild();
        while (n != null && type != n.getNodeType()) {
            n = n.getNextSibling();
        }
        if (n == null)
            return null;
        return n;
    }
}

Related

1. getChild(final Element root, final String name)
2. getChild(Node n, String name)
3. getChild(Node node, String name)
4. getChild(Node node, String name)
5. getChild(Node node, String name, String attrName, String attrValue)
6. getChild(Node parent, String name)
7. getChildElements(Element e)
8. getChildElements(Element e)
9. getChildElements(Element e, String tag)