Java XML Node Remove removeEmptyNodes(Node node)

Description

remove Empty Nodes

License

Apache License

Declaration

public static void removeEmptyNodes(Node node) 

Method Source Code

//package com.java2s;
/* //  www  .  j  a  v  a2  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 java.util.LinkedList;
import java.util.List;

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

public class Main {
    public static void removeEmptyNodes(Node node) {
        NodeList list = node.getChildNodes();
        List<Node> nodesToRecursivelyCall = new LinkedList<Node>();

        for (int i = 0; i < list.getLength(); i++) {
            nodesToRecursivelyCall.add(list.item(i));
        }

        for (Node tempNode : nodesToRecursivelyCall) {
            removeEmptyNodes(tempNode);
        }

        boolean emptyElement = node.getNodeType() == Node.ELEMENT_NODE && node.getChildNodes().getLength() == 0;
        boolean emptyText = node.getNodeType() == Node.TEXT_NODE && node.getNodeValue().trim().isEmpty();

        if (emptyElement || emptyText) {
            node.getParentNode().removeChild(node);
        }
    }
}

Related

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