Java XML Child Element Text getChildElementText(Node node, String childName)

Description

get Child Element Text

License

Apache License

Declaration

public static String getChildElementText(Node node, String childName) 

Method Source Code

//package com.java2s;
/**//from   w  ww. java2s  .c  o  m
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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 {
    public static String getChildElementText(Node node, String childName) {
        Element child = getChildElement(node, childName);
        if (child != null) {
            return getTextContent(child);
        }
        return null;
    }

    public static Element getChildElement(Node node, String childName) {
        NodeList childNodes = node.getChildNodes();
        int length = childNodes.getLength();
        for (int i = 0; i < length; i++) {
            Node item = childNodes.item(i);
            if (item instanceof Element
                    && item.getNodeName().equals(childName)) {
                return (Element) item;
            }
        }
        return null;
    }

    public static String getTextContent(Element element) {
        final NodeList childNodes = element.getChildNodes();
        for (int i = 0; i < childNodes.getLength(); i++) {
            final Node node = childNodes.item(i);
            if (node instanceof Text) {
                String textContent = ((Text) node).getWholeText();
                textContent = textContent.trim();
                return textContent;
            }
        }
        return null;
    }
}

Related

1. getChildElementText(Element elm, String name, String defaultValue)
2. getChildElementText(Element elm, String name, String defaultValue)
3. getChildElementText(Element parentElement, String tagName)
4. getChildElementText(final Element elParent, final String childTag)
5. getChildElementText(final Element parent, final String childName, final String defaultText)
6. getChildElementTextArr(Element parent, String name)
7. getChildElementTextValue(Node parent, String name)
8. getChildElementValue(Element p_rootElement, String p_elementName)
9. getChildElementValue(Element parent, String name)