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Java example source code file (DOMImplementation.java)

This example Java source code file (DOMImplementation.java) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

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Java - Java tags/keywords

documenttype, domexception, domimplementation, object, string

The DOMImplementation.java Java example source code

/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code 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 General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

/*
 * 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;

/**
 * The <code>DOMImplementation interface provides a number of methods
 * for performing operations that are independent of any particular instance
 * of the document object model.
 * <p>See also the Document Object Model (DOM) Level 3 Core Specification.
 */
public interface DOMImplementation {
    /**
     * Test if the DOM implementation implements a specific feature and
     * version, as specified in <a href="http://www.w3.org/TR/2004/REC-DOM-Level-3-Core-20040407/core.html#DOMFeatures">DOM Features.
     * @param feature  The name of the feature to test.
     * @param version  This is the version number of the feature to test.
     * @return <code>true if the feature is implemented in the
     *   specified version, <code>false otherwise.
     */
    public boolean hasFeature(String feature,
                              String version);

    /**
     * Creates an empty <code>DocumentType node. Entity declarations
     * and notations are not made available. Entity reference expansions and
     * default attribute additions do not occur..
     * @param qualifiedName The qualified name of the document type to be
     *   created.
     * @param publicId The external subset public identifier.
     * @param systemId The external subset system identifier.
     * @return A new <code>DocumentType node with
     *   <code>Node.ownerDocument set to null.
     * @exception DOMException
     *   INVALID_CHARACTER_ERR: Raised if the specified qualified name is not
     *   an XML name according to [<a href='http://www.w3.org/TR/2004/REC-xml-20040204'>XML 1.0].
     *   <br>NAMESPACE_ERR: Raised if the qualifiedName is
     *   malformed.
     *   <br>NOT_SUPPORTED_ERR: May be raised if the implementation does not
     *   support the feature "XML" and the language exposed through the
     *   Document does not support XML Namespaces (such as [<a href='http://www.w3.org/TR/1999/REC-html401-19991224/'>HTML 4.01]).
     * @since DOM Level 2
     */
    public DocumentType createDocumentType(String qualifiedName,
                                           String publicId,
                                           String systemId)
                                           throws DOMException;

    /**
     * Creates a DOM Document object of the specified type with its document
     * element.
     * <br>Note that based on the DocumentType given to create
     * the document, the implementation may instantiate specialized
     * <code>Document objects that support additional features than
     * the "Core", such as "HTML" [<a href='http://www.w3.org/TR/2003/REC-DOM-Level-2-HTML-20030109'>DOM Level 2 HTML]
     * . On the other hand, setting the <code>DocumentType after the
     * document was created makes this very unlikely to happen.
     * Alternatively, specialized <code>Document creation methods,
     * such as <code>createHTMLDocument [DOM Level 2 HTML]
     * , can be used to obtain specific types of <code>Document
     * objects.
     * @param namespaceURI The namespace URI of the document element to
     *   create or <code>null.
     * @param qualifiedName The qualified name of the document element to be
     *   created or <code>null.
     * @param doctype The type of document to be created or <code>null.
     *   When <code>doctype is not null, its
     *   <code>Node.ownerDocument attribute is set to the document
     *   being created.
     * @return A new <code>Document object with its document element.
     *   If the <code>NamespaceURI, qualifiedName, and
     *   <code>doctype are null, the returned
     *   <code>Document is empty with no document element.
     * @exception DOMException
     *   INVALID_CHARACTER_ERR: Raised if the specified qualified name is not
     *   an XML name according to [<a href='http://www.w3.org/TR/2004/REC-xml-20040204'>XML 1.0].
     *   <br>NAMESPACE_ERR: Raised if the qualifiedName is
     *   malformed, if the <code>qualifiedName has a prefix and the
     *   <code>namespaceURI is null, or if the
     *   <code>qualifiedName is null and the
     *   <code>namespaceURI is different from null, or
     *   if the <code>qualifiedName has a prefix that is "xml" and
     *   the <code>namespaceURI is different from "
     *   http://www.w3.org/XML/1998/namespace</a>" [XML Namespaces]
     *   , or if the DOM implementation does not support the
     *   <code>"XML" feature but a non-null namespace URI was
     *   provided, since namespaces were defined by XML.
     *   <br>WRONG_DOCUMENT_ERR: Raised if doctype has already
     *   been used with a different document or was created from a different
     *   implementation.
     *   <br>NOT_SUPPORTED_ERR: May be raised if the implementation does not
     *   support the feature "XML" and the language exposed through the
     *   Document does not support XML Namespaces (such as [<a href='http://www.w3.org/TR/1999/REC-html401-19991224/'>HTML 4.01]).
     * @since DOM Level 2
     */
    public Document createDocument(String namespaceURI,
                                   String qualifiedName,
                                   DocumentType doctype)
                                   throws DOMException;

    /**
     *  This method returns a specialized object which implements the
     * specialized APIs of the specified feature and version, as specified
     * in <a href="http://www.w3.org/TR/2004/REC-DOM-Level-3-Core-20040407/core.html#DOMFeatures">DOM Features. The specialized object may also be obtained by using
     * binding-specific casting methods but is not necessarily expected to,
     * as discussed in . This method also allow the implementation to
     * provide specialized objects which do not support the
     * <code>DOMImplementation interface.
     * @param feature  The name of the feature requested. Note that any plus
     *   sign "+" prepended to the name of the feature will be ignored since
     *   it is not significant in the context of this method.
     * @param version  This is the version number of the feature to test.
     * @return  Returns an object which implements the specialized APIs of
     *   the specified feature and version, if any, or <code>null if
     *   there is no object which implements interfaces associated with that
     *   feature. If the <code>DOMObject returned by this method
     *   implements the <code>DOMImplementation interface, it must
     *   delegate to the primary core <code>DOMImplementation and not
     *   return results inconsistent with the primary core
     *   <code>DOMImplementation such as hasFeature,
     *   <code>getFeature, etc.
     * @since DOM Level 3
     */
    public Object getFeature(String feature,
                             String version);

}

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