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HtmlUnit adaptation of NekoHtml. It has the same functionality but exposing HTMLElements to be overridden.

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/*
 * 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.
 */

package net.sourceforge.htmlunit.xerces.dom;

import org.w3c.dom.CDATASection;
import org.w3c.dom.Node;

/**
 * XML provides the CDATA markup to allow a region of text in which
 * most of the XML delimiter recognition does not take place. This is
 * intended to ease the task of quoting XML fragments and other
 * programmatic information in a document's text without needing to
 * escape these special characters. It's primarily a convenience feature
 * for those who are hand-editing XML.
 * 
 * CDATASection is an Extended DOM feature, and is not used in HTML
 * contexts.
 * 

 * Within the DOM, CDATASections are treated essentially as Text
 * blocks. Their distinct type is retained in order to allow us to
 * properly recreate the XML syntax when we write them out.
 * 

 * Reminder: CDATA IS NOT A COMPLETELY GENERAL SOLUTION; it can't
 * quote its own end-of-block marking. If you need to write out a
 * CDATA that contains the ]]> sequence, it's your responsibility to
 * split that string over two successive CDATAs at that time.
 * 
 * CDATA does not participate in Element.normalize() processing.
 */
public class CDATASectionImpl
    extends TextImpl
    implements CDATASection {

    /** Factory constructor for creating a CDATA section.
     * @param ownerDoc the owner document
     * @param data the data
     */
    public CDATASectionImpl(CoreDocumentImpl ownerDoc, String data) {
        super(ownerDoc, data);
    }

    /**
     * {@inheritDoc}
     *
     * A short integer indicating what type of node this is. The named
     * constants for this value are defined in the org.w3c.dom.Node interface.
     */
    @Override
    public short getNodeType() {
        return Node.CDATA_SECTION_NODE;
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public String getNodeName() {
        return "#cdata-section";
    }
}