Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*******************************************************************************
 * Copyright (C) 2006-2013 AITIA International, Inc.
 * 
 * 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;
    }
}