Java tutorial
/* * 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</code> 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 <a href='http://www.w3.org/TR/2004/REC-DOM-Level-3-Core-20040407'>Document Object Model (DOM) Level 3 Core Specification</a>. */ 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</a>. * @param feature The name of the feature to test. * @param version This is the version number of the feature to test. * @return <code>true</code> if the feature is implemented in the * specified version, <code>false</code> otherwise. */ public boolean hasFeature(String feature, String version); /** * Creates an empty <code>DocumentType</code> 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</code> node with * <code>Node.ownerDocument</code> set to <code>null</code>. * @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</a>]. * <br>NAMESPACE_ERR: Raised if the <code>qualifiedName</code> 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</a>]). * @since 1.4, 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 <code>DocumentType</code> given to create * the document, the implementation may instantiate specialized * <code>Document</code> 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</a>] * . On the other hand, setting the <code>DocumentType</code> after the * document was created makes this very unlikely to happen. * Alternatively, specialized <code>Document</code> creation methods, * such as <code>createHTMLDocument</code> [<a href='http://www.w3.org/TR/2003/REC-DOM-Level-2-HTML-20030109'>DOM Level 2 HTML</a>] * , can be used to obtain specific types of <code>Document</code> * objects. * @param namespaceURI The namespace URI of the document element to * create or <code>null</code>. * @param qualifiedName The qualified name of the document element to be * created or <code>null</code>. * @param doctype The type of document to be created or <code>null</code>. * When <code>doctype</code> is not <code>null</code>, its * <code>Node.ownerDocument</code> attribute is set to the document * being created. * @return A new <code>Document</code> object with its document element. * If the <code>NamespaceURI</code>, <code>qualifiedName</code>, and * <code>doctype</code> are <code>null</code>, the returned * <code>Document</code> 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</a>]. * <br>NAMESPACE_ERR: Raised if the <code>qualifiedName</code> is * malformed, if the <code>qualifiedName</code> has a prefix and the * <code>namespaceURI</code> is <code>null</code>, or if the * <code>qualifiedName</code> is <code>null</code> and the * <code>namespaceURI</code> is different from <code>null</code>, or * if the <code>qualifiedName</code> has a prefix that is "xml" and * the <code>namespaceURI</code> is different from "<a href='http://www.w3.org/XML/1998/namespace'> * http://www.w3.org/XML/1998/namespace</a>" [<a href='http://www.w3.org/TR/1999/REC-xml-names-19990114/'>XML Namespaces</a>] * , or if the DOM implementation does not support the * <code>"XML"</code> feature but a non-null namespace URI was * provided, since namespaces were defined by XML. * <br>WRONG_DOCUMENT_ERR: Raised if <code>doctype</code> 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</a>]). * @since 1.4, 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</a>. 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</code> 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</code> if * there is no object which implements interfaces associated with that * feature. If the <code>DOMObject</code> returned by this method * implements the <code>DOMImplementation</code> interface, it must * delegate to the primary core <code>DOMImplementation</code> and not * return results inconsistent with the primary core * <code>DOMImplementation</code> such as <code>hasFeature</code>, * <code>getFeature</code>, etc. * @since 1.5, DOM Level 3 */ public Object getFeature(String feature, String version); }