Java XML Node Normalize normalize(Node node)

Description

Normalize DOM tree.

License

Open Source License

Parameter

Parameter	Description
node	Dom tree.

Declaration

static public void normalize(Node node) 

Method Source Code

//package com.java2s;
/*// w ww.  j  av  a 2  s . co m
 * Copyright (c) 2008-2016, GigaSpaces Technologies, Inc. All Rights Reserved.
 *
 * Licensed 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 org.w3c.dom.Node;

public class Main {
    /**
     * Normalize DOM tree. Remove all white spaces between tags. for example: <a> <b>value</b> </a>
     * Normalize to <a><b>value</b></a>
     *
     * @param node Dom tree.
     * @see com.j_spaces.kernel.JSpaceUtilities#domWriter(Node node, PrintStream ps, String prefix)
     */
    static public void normalize(Node node) {
        for (int i = 0; i < node.getChildNodes().getLength(); i++) {
            Node childNode = node.getChildNodes().item(i);
            if (childNode.getNodeType() == Node.TEXT_NODE && childNode.getNodeValue().trim().length() == 0) {
                node.removeChild(childNode);
                i--;
            } else
                normalize(childNode);
        }
    }
}

Related

1. normalize(Node node)
2. normalize(Node node)