get XML Element Text - Java XML

Java examples for XML:DOM Element

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Description

get XML Element Text

Demo Code

/*//w  ww . j  a  va2  s . c  o m
 *  Copyright 2010 Vodafone Group Services Ltd.
 *
 *  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.
 *    
 */
//package com.java2s;

import org.w3c.dom.Element;
import org.w3c.dom.NodeList;

public class Main {
    public static String getElementText(Element element, String tagName,
            String namespace) {
        Element e = getElement(element, tagName, namespace);
        if (e != null) {
            String text = ((Element) e).getTextContent().trim();
            if (text != null) {
                text = text.trim();
                if (text.length() > 0) {
                    return text;
                }
            }
        }
        return null;
    }

    public static Element getElement(Element element, String tagName,
            String namespace) {
        NodeList nodes = element.getElementsByTagNameNS(namespace, tagName);
        if (nodes.getLength() > 0) {
            return ((Element) nodes.item(0));
        } else {
            return null;
        }
    }
}

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