Java XML Element Set setTextField(Element node, String subElement, String text)

Description

set Text Field

License

Open Source License

Parameter

Parameter	Description
text	<code>null</code> removes 'subElement' completely

Declaration

public static Text setTextField(Element node, String subElement, String text) 

Method Source Code

//package com.java2s;
/*******************************************************************************
 * Copyright (C) 2006-2013 AITIA International, Inc.
 * // w  ww. j  a v a 2  s. co m
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 ******************************************************************************/

import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import org.w3c.dom.Text;

public class Main {
    /** @param text <code>null</code> removes 'subElement' completely */
    public static Text setTextField(Element node, String subElement, String text) {
        NodeList nl = node.getElementsByTagName(subElement);
        if (nl == null || nl.getLength() == 0) {
            if (text == null)
                return null;
            Document d = node.getOwnerDocument();
            Element e = d.createElement(subElement);
            Text ans = d.createTextNode(text);
            e.appendChild(ans);
            node.appendChild(e);
            return ans;
        } else if (text != null) {
            return setText(nl.item(0), text);
        } else {
            node.removeChild(nl.item(0));
            return null;
        }
    }

    /**
     * Creates a Text child, or replaces all existing children of type Text.
     * Non-Text descendants are preserved without change.
     * @return The Text child which receives the specified text. 
     * @see Node.setTextContent()
     */
    public static Text setText(Node node, String text) {
        NodeList children = node.getChildNodes();
        if (children != null) {
            for (int i = 0, n = children.getLength(); i < n; ++i) {
                Node child = children.item(i);
                if (child instanceof Text) {
                    return ((Text) child).replaceWholeText(text);
                }
            }
        }
        Text ans = node.getOwnerDocument().createTextNode(text);
        node.appendChild(ans);
        return ans;
    }
}

Related

1. setTextContent(Element element, String content)
2. setTextContent(Element element, String content)
3. setTextContent(Element element, String text)
4. setTextContent(Element node, String text)
5. setTextContent(Element node, String text)
6. setTextValue(Element element, String text)
7. setTextValue(Element element, String value)
8. setToElements(Element rootElem, String name, Set s)
9. setValue(Element element, String value)