| /* |
| * reserved comment block |
| * DO NOT REMOVE OR ALTER! |
| */ |
| /* |
| * 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 com.sun.org.apache.xerces.internal.dom; |
| |
| import org.w3c.dom.DOMImplementation; |
| import org.w3c.dom.DocumentType; |
| |
| /** |
| * 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. |
| * |
| * @xerces.internal |
| * |
| * @since PR-DOM-Level-1-19980818. |
| */ |
| public class PSVIDOMImplementationImpl extends DOMImplementationImpl { |
| |
| // |
| // Data |
| // |
| |
| // static |
| |
| /** Dom implementation singleton. */ |
| static final PSVIDOMImplementationImpl singleton = new PSVIDOMImplementationImpl(); |
| |
| // |
| // 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) { |
| return super.hasFeature(feature, version) || |
| feature.equalsIgnoreCase("psvi"); |
| } // hasFeature(String,String):boolean |
| |
| // |
| // Protected methods |
| // |
| |
| protected CoreDocumentImpl createDocument(DocumentType doctype) { |
| return new PSVIDocumentImpl(doctype); |
| } |
| |
| } // class PSVIDOMImplementationImpl |