Java XML Child Element Text getChildText(Element element, String nodeName)

Description

Returns the textual content of the named child element, or null if there's no such child.

License

Open Source License

Parameter

Parameter	Description
element	to search for children

Return

java.lang.String

Declaration

public static String getChildText(Element element, String nodeName) 

Method Source Code

//package com.java2s;
/*// www  .  ja  va 2  s .com
 * ? Copyright IBM Corp. 2012
 * 
 * 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;

public class Main {
    /**
     * Returns the textual content of the named child element, or null if
     * there's no such child.
     * See: org.jdom.Element 'getChildText()'
     * @param element to search for children
     * @return java.lang.String
     */
    public static String getChildText(Element element, String nodeName) {
        NodeList ndlist = element.getChildNodes();
        Node nd;
        String rtnVal = null;
        for (int i = 0; i < ndlist.getLength(); i++) {
            nd = (Node) ndlist.item(i);
            if (nd.getNodeType() == Node.ELEMENT_NODE && nd.getNodeName().equals(nodeName)) {
                rtnVal = getText(nd);
                break;
            }
        }
        return rtnVal;
    }

    /**
     * Returns the textual content directly held under this element as a
     * string. The call does not recurse into child elements. If no 
     * textual value exists for the element, an empty string is returned.
     * @param n
     * @return
     */
    public static String getText(Node n) {
        String rtnVal = "";
        NodeList nlist = n.getChildNodes();
        Node currentNode;
        for (int i = 0; i < nlist.getLength(); i++) {
            currentNode = nlist.item(i);
            if (currentNode.getNodeType() == Node.TEXT_NODE) {
                rtnVal = currentNode.getNodeValue();
            }
        }
        return rtnVal;
    }
}

Related

1. getChildElementValueByTagName(Element ele, String childEleName)
2. getChildElementValueByTagName(Element ele, String childEleName)
3. getChildElementValueByTagName(Element parentElement, String childTag)
4. getChildText(Element elem, String childTagName)
5. getChildText(Element element, String defaultValue)
6. getChildText(Element element, String tag)
7. getChildText(Element element, String tag)
8. getChildText(Element parent, String childLocalName, String childNamespaceURI)
9. getChildText(Element parent, String childName)