Java example source code file (CDATASection.java)

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The CDATASection.java Java example source code

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 * published by the Free Software Foundation.  Oracle designates this
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/*
 * This file is available under and governed by the GNU General Public
 * License version 2 only, as published by the Free Software Foundation.
 * However, the following notice accompanied the original version of this
 * file and, per its terms, should not be removed:
 *
 * Copyright (c) 2004 World Wide Web Consortium,
 *
 * (Massachusetts Institute of Technology, European Research Consortium for
 * Informatics and Mathematics, Keio University). All Rights Reserved. This
 * work is distributed under the W3C(r) Software License [1] 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.
 *
 * [1] http://www.w3.org/Consortium/Legal/2002/copyright-software-20021231
 */

package org.w3c.dom;

/**
 * CDATA sections are used to escape blocks of text containing characters that
 * would otherwise be regarded as markup. The only delimiter that is
 * recognized in a CDATA section is the "]]>" string that ends the CDATA
 * section. CDATA sections cannot be nested. Their primary purpose is for
 * including material such as XML fragments, without needing to escape all
 * the delimiters.
 * <p>The CharacterData.data attribute holds the text that is
 * contained by the CDATA section. Note that this <em>may contain characters that need to be escaped outside of CDATA sections and
 * that, depending on the character encoding ("charset") chosen for
 * serialization, it may be impossible to write out some characters as part
 * of a CDATA section.
 * <p>The CDATASection interface inherits from the
 * <code>CharacterData interface through the Text
 * interface. Adjacent <code>CDATASection nodes are not merged by use
 * of the <code>normalize method of the Node interface.
 * <p> No lexical check is done on the content of a CDATA section and it is
 * therefore possible to have the character sequence <code>"]]>"
 * in the content, which is illegal in a CDATA section per section 2.7 of [<a href='http://www.w3.org/TR/2004/REC-xml-20040204'>XML 1.0]. The
 * presence of this character sequence must generate a fatal error during
 * serialization or the cdata section must be splitted before the
 * serialization (see also the parameter <code>"split-cdata-sections"
 * in the <code>DOMConfiguration interface).
 * <p >Note: Because no markup is recognized within a
 * <code>CDATASection, character numeric references cannot be used as
 * an escape mechanism when serializing. Therefore, action needs to be taken
 * when serializing a <code>CDATASection with a character encoding
 * where some of the contained characters cannot be represented. Failure to
 * do so would not produce well-formed XML.
 * <p >Note: One potential solution in the serialization process is to
 * end the CDATA section before the character, output the character using a
 * character reference or entity reference, and open a new CDATA section for
 * any further characters in the text node. Note, however, that some code
 * conversion libraries at the time of writing do not return an error or
 * exception when a character is missing from the encoding, making the task
 * of ensuring that data is not corrupted on serialization more difficult.
 * <p>See also the Document Object Model (DOM) Level 3 Core Specification.
 */
public interface CDATASection extends Text {
}