- /*
- * The Apache Software License, Version 1.1
- *
- *
- * Copyright (c) 1999-2002 The Apache Software Foundation. All rights
- * reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- *
- * 3. The end-user documentation included with the redistribution,
- * if any, must include the following acknowledgment:
- * "This product includes software developed by the
- * Apache Software Foundation (http://www.apache.org/)."
- * Alternately, this acknowledgment may appear in the software itself,
- * if and wherever such third-party acknowledgments normally appear.
- *
- * 4. The names "Xerces" and "Apache Software Foundation" must
- * not be used to endorse or promote products derived from this
- * software without prior written permission. For written
- * permission, please contact apache@apache.org.
- *
- * 5. Products derived from this software may not be called "Apache",
- * nor may "Apache" appear in their name, without prior written
- * permission of the Apache Software Foundation.
- *
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
- * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
- * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
- * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- * ====================================================================
- *
- * This software consists of voluntary contributions made by many
- * individuals on behalf of the Apache Software Foundation and was
- * originally based on software copyright (c) 1999, International
- * Business Machines, Inc., http://www.apache.org. For more
- * information on the Apache Software Foundation, please see
- * <http://www.apache.org/>.
- */
-
- package com.sun.org.apache.xerces.internal.dom;
-
- import org.w3c.dom.DOMException;
- import org.w3c.dom.DOMImplementation;
- import org.w3c.dom.Document;
- import org.w3c.dom.DocumentType;
- import org.w3c.dom.Element;
-
-
-
- /**
- * The DOMImplementation class is description of a particular
- * implementation of the Document Object Model. As such its data is
- * static, shared by all instances of this implementation.
- * <P>
- * The DOM API requires that it be a real object rather than static
- * methods. However, there's nothing that says it can't be a singleton,
- * so that's how I've implemented it.
- *
- * @version $Id: DOMImplementationImpl.java,v 1.31 2004/01/29 20:59:52 elena Exp $
- * @since PR-DOM-Level-1-19980818.
- */
- public class DOMImplementationImpl extends CoreDOMImplementationImpl
- implements DOMImplementation {
-
- //
- // Data
- //
-
- // static
-
- /** Dom implementation singleton. */
- static DOMImplementationImpl singleton = new DOMImplementationImpl();
-
-
- //
- // Public methods
- //
-
- /** NON-DOM: Obtain and return the single shared object */
- public static DOMImplementation getDOMImplementation() {
- return singleton;
- }
-
- //
- // DOMImplementation methods
- //
-
- /**
- * Test if the DOM implementation supports a specific "feature" --
- * currently meaning language and level thereof.
- *
- * @param feature The package name of the feature to test.
- * In Level 1, supported values are "HTML" and "XML" (case-insensitive).
- * At this writing, com.sun.org.apache.xerces.internal.dom supports only XML.
- *
- * @param version The version number of the feature being tested.
- * This is interpreted as "Version of the DOM API supported for the
- * specified Feature", and in Level 1 should be "1.0"
- *
- * @return true iff this implementation is compatable with the
- * specified feature and version.
- */
- public boolean hasFeature(String feature, String version) {
-
- boolean result = super.hasFeature(feature, version);
- if (!result) {
- boolean anyVersion = version == null || version.length() == 0;
- if (feature.startsWith("+")) {
- feature = feature.substring(1);
- }
- return (
- (feature.equalsIgnoreCase("Events")
- && (anyVersion || version.equals("2.0")))
- || (feature.equalsIgnoreCase("MutationEvents")
- && (anyVersion || version.equals("2.0")))
- || (feature.equalsIgnoreCase("Traversal")
- && (anyVersion || version.equals("2.0")))
- || (feature.equalsIgnoreCase("Range")
- && (anyVersion || version.equals("2.0")))
- || (feature.equalsIgnoreCase("MutationEvents")
- && (anyVersion || version.equals("2.0"))));
- }
- return result;
- } // hasFeature(String,String):boolean
-
-
-
- /**
- * Introduced in DOM Level 2. <p>
- *
- * Creates an XML Document object of the specified type with its document
- * element.
- *
- * @param namespaceURI The namespace URI of the document
- * element to create, or null.
- * @param qualifiedName The qualified name of the document
- * element to create.
- * @param doctype The type of document to be created or null.<p>
- *
- * When doctype is not null, its
- * Node.ownerDocument attribute is set to
- * the document being created.
- * @return Document A new Document object.
- * @throws DOMException WRONG_DOCUMENT_ERR: Raised if doctype has
- * already been used with a different document.
- * @since WD-DOM-Level-2-19990923
- */
- public Document createDocument(String namespaceURI,
- String qualifiedName,
- DocumentType doctype)
- throws DOMException
- {
- if(namespaceURI == null && qualifiedName == null && doctype == null){
- //if namespaceURI, qualifiedName and doctype are null, returned document is empty with
- //no document element
- return new DocumentImpl();
- }
- else if (doctype != null && doctype.getOwnerDocument() != null) {
- String msg = DOMMessageFormatter.formatMessage(DOMMessageFormatter.DOM_DOMAIN, "WRONG_DOCUMENT_ERR", null);
- throw new DOMException(DOMException.WRONG_DOCUMENT_ERR, msg);
- }
- DocumentImpl doc = new DocumentImpl(doctype);
- Element e = doc.createElementNS( namespaceURI, qualifiedName);
- doc.appendChild(e);
- return doc;
- }
-
-
- } // class DOMImplementationImpl