Java XML Node Remove removeEmptyParagraphs(Node root)

Description

remove Empty Paragraphs

License

Open Source License

Declaration

public static void removeEmptyParagraphs(Node root) 

Method Source Code

//package com.java2s;
/**//from  w  ww .j  ava 2 s. c om
 *  odt2braille - Braille authoring in OpenOffice.org.
 *
 *  Copyright (c) 2010-2011 by DocArch <http://www.docarch.be>.
 *
 *  This program is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU Lesser 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 Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public License
 *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

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

public class Main {
    public static void removeEmptyParagraphs(Node root) {

        // for each text:p
        NodeList pNodes = ((Element) root).getElementsByTagName("text:p");
        for (int i = 0; i < pNodes.getLength(); i++) {

            Node node = pNodes.item(i);

            // if no text
            if (node.getTextContent().trim().equals("")) {

                // if no children
                if (!node.hasChildNodes()) {

                    // then remove
                    node.getParentNode().removeChild(node);
                    i--;

                    // if children
                } else {

                    boolean empty = true;

                    // don't remove if an element is present (like image...)
                    for (int j = 0; j < node.getChildNodes().getLength(); j++) {
                        if (node.getChildNodes().item(j).getNodeType() == node.ELEMENT_NODE) {
                            empty = false;
                        }
                    }

                    if (empty) {
                        node.getParentNode().removeChild(node);
                        i--;
                    }
                }
            }
        }
    }
}

Related

1. removeElementXML(Node node, short nodeType, String name)
2. removeEmptyHeadings(Node root)
3. removeEmptyHeadings(Node root)
4. removeEmptyLines(Node node)
5. removeEmptyNodes(Node node)
6. removeEmptyTextNodes(Node parentNode)
7. removeEmptyTextNodes(Node parentNode)
8. removeJavascripts(Node node)
9. removeLeafNode(Node node)