Java XML Child Element Text getChildTextList(Element elem, String childTagName)

Description

Return list of content Strings of all child elements with given tag name.

License

Apache License

Parameter

Parameter	Description
elem	a parameter
childTagName	a parameter

Return

List

Declaration

public static List getChildTextList(Element elem, String childTagName) 

Method Source Code

//package com.java2s;
/**//from  ww  w  .  ja  va 2s  . c  om
 * Copyright (C) 2009 GIP RECIA http://www.recia.fr
 * @Author (C) 2009 GIP RECIA <contact@recia.fr>
 * @Contributor (C) 2009 SOPRA http://www.sopragroup.com/
 * @Contributor (C) 2011 Pierre Legay <pierre.legay@recia.fr>
 *
 * 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 java.util.ArrayList;
import java.util.Collections;
import java.util.List;

public class Main {
    /**
     * Return list of content Strings of all child elements with given tag name.
     * @param elem
     * @param childTagName
     * @return List 
     */
    public static List getChildTextList(Element elem, String childTagName) {
        NodeList nodeList = elem.getElementsByTagName(childTagName);
        int len = nodeList.getLength();
        if (len == 0) {
            return Collections.EMPTY_LIST;
        } else {
            List list = new ArrayList(len);
            for (int i = 0; i < len; i++) {
                list.add(getElementText((Element) nodeList.item(i)));
            }
            return list;
        }
    }

    public static String getElementText(Element elem) {
        StringBuffer buf = new StringBuffer();
        NodeList nodeList = elem.getChildNodes();
        for (int i = 0, len = nodeList.getLength(); i < len; i++) {
            Node n = nodeList.item(i);
            if (n.getNodeType() == Node.TEXT_NODE) {
                buf.append(n.getNodeValue());
            } else {
                //TODO see jsf-samples
                //throw new FacesException("Unexpected node type " + n.getNodeType());
            }
        }
        return buf.toString();
    }
}

Related

1. getChildTextAsBooleanObj(Element parent, String childName, Boolean defValue)
2. getChildTextByName(Element parent, String name)
3. getChildTextByTagName(Element e, String tagName)
4. getChildTextContent(Element elemenet, String childElemenetName)
5. getChildTextContent(Element element, String childTagName)
6. getChildTextNode(Element el)
7. getChildTextNodes(Element parent)
8. getChildTextNodeValue(Node node)
9. getChildTextNodeValues(Node theNode)