Java XML First Child Element getFirstChildTextValue(Element parent, String childName)

Description

get First Child Text Value

License

Apache License

Declaration

private static String getFirstChildTextValue(Element parent, String childName) 

Method Source Code

//package com.java2s;
/**//  w  ww .  j  a  v  a  2 s.  c  o m
 * Copyright 2015-2017 Maven Source Dependencies
 * Plugin contributors as indicated by the @author tags.
 *
 * 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.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import org.w3c.dom.Text;

public class Main {
    private static String getFirstChildTextValue(Element parent, String childName) {
        NodeList children = parent.getChildNodes();
        for (int i = 0; i < children.getLength(); i++) {
            Node child = children.item(i);
            if (child instanceof Element) {
                Element elem = (Element) child;
                if (childName.equals(elem.getNodeName())) {
                    return getOrCreateFirstTextChild(elem).getTextContent();
                }
            }
        }
        return null;
    }

    private static Text getOrCreateFirstTextChild(Element node) {
        NodeList children = node.getChildNodes();
        for (int i = 0; i < children.getLength(); i++) {
            Node child = children.item(i);
            if (child instanceof Text) {
                return (Text) child;
            }
        }
        Text result = node.getOwnerDocument().createTextNode("");
        node.appendChild(result);
        return result;
    }
}

Related

1. getFirstChildText(Node aNode)
2. getFirstChildText(Node parent)
3. getFirstChildTextByTagName(Element element, String tagName)
4. getFirstChildTextContent(Node node)
5. getFirstChildTextNodeValue(Node node)
6. getFirstChildWithTagName(Element parent, String tagName)
7. getFirstChildWithTagName(Node data, String tagName)
8. getFirstElement(Element element, String childName)
9. getFirstElementChild(Element aElement)