Java XML Element to String extractText(Element element)

Description

extract Text

License

Apache License

Parameter

Parameter	Description
element	The Element that may or may not have Text nodes.

Return

The content of the first child Text node in the Element. The method returns null if the Element has no text.

Declaration

public static String extractText(Element element) 

Method Source Code

//package com.java2s;
/* /* ww  w . ja v a  2  s . 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;

public class Main {
    /**
     *
     * @param element
     *        The Element that may or may not have Text nodes.
     * 
     * @return The content of the first child Text node in the Element. The 
     *         method returns null if the Element has no text.
     *
     */
    public static String extractText(Element element) {
        NodeList children = element.getChildNodes();
        int length = children.getLength();

        //
        // have to check all nodes, because we could have text 
        // mixed with elements
        //
        for (int n = 0; n < length; ++n) {
            Node next = children.item(n);

            //
            // note that we remove all leading/trailing whitespace
            //
            if (next.getNodeType() == Node.TEXT_NODE)
                return next.getNodeValue().trim();
        }

        return null;
    }
}

Related

1. elementToString(Element element)
2. elementToString(Element element)
3. elementToString(Element element)
4. elementToString(Element elt, String prefix)
5. elementToString(final Element element)
6. extractText(Element obj, String localName)
7. extractTextElementValue(final Element textElement)
8. getElementAsInputStream(Element xml)
9. getElementText(Element e)