Java XML Node Text Value getText(Node node)

Description

Return the text that a node contains.

License

Open Source License

Parameter

Parameter	Description
node	a DOM node

Return

a String representing its contents

Declaration

public static String getText(Node node) 

Method Source Code

//package com.java2s;
/*******************************************************************************
 * Copyright (c) 2015 UNIT Information Technologies R&D Ltd
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors://w  w  w.j a  v a 2  s.  c o  m
 *     Ferhat Erata - initial API and implementation
 *     H. Emre Kirmizi - initial API and implementation
 *     Serhat Celik - initial API and implementation
 *     U. Anil Ozturk - initial API and implementation
 *******************************************************************************/

import org.w3c.dom.Node;
import org.w3c.dom.NodeList;

public class Main {
    /**
     * Return the text that a node contains. This routine:
     * <ul>
     * <li>Ignores comments and processing instructions.
     * <li>Concatenates TEXT nodes, CDATA nodes, and the results of recursively processing EntityRef
     * nodes.
     * <li>Ignores any element nodes in the sublist. (Other possible options are to recurse into
     * element sublists or throw an exception.)
     * </ul>
     * 
     * @param node a DOM node
     * @return a String representing its contents
     */
    public static String getText(Node node) {
        StringBuffer result = new StringBuffer();
        if (!node.hasChildNodes())
            return "";

        NodeList list = node.getChildNodes();
        for (int i = 0; i < list.getLength(); i++) {
            Node subnode = list.item(i);
            if (subnode.getNodeType() == Node.TEXT_NODE) {
                result.append(subnode.getNodeValue());
            } else if (subnode.getNodeType() == Node.CDATA_SECTION_NODE) {
                result.append(subnode.getNodeValue());
            } else if (subnode.getNodeType() == Node.ENTITY_REFERENCE_NODE) {
                // Recurse into the subtree for text
                // (and ignore comments)
                result.append(getText(subnode));
            }
        }

        return result.toString();
    }
}

Related

1. getText(Node node)
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