| /* |
| * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. |
| */ |
| /* |
| * 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.impl.dv; |
| |
| import com.sun.org.apache.xerces.internal.impl.dv.dtd.DTDDVFactoryImpl; |
| import com.sun.org.apache.xerces.internal.impl.dv.dtd.XML11DTDDVFactoryImpl; |
| import com.sun.org.apache.xerces.internal.utils.ObjectFactory; |
| import java.util.Map; |
| |
| /** |
| * The factory to create and return DTD types. The implementation should |
| * store the created datatypes in static data, so that they can be shared by |
| * multiple parser instance, and multiple threads. |
| * |
| * @xerces.internal |
| * |
| * @author Sandy Gao, IBM |
| * |
| */ |
| public abstract class DTDDVFactory { |
| |
| private static final String DEFAULT_FACTORY_CLASS = |
| "com.sun.org.apache.xerces.internal.impl.dv.dtd.DTDDVFactoryImpl"; |
| |
| private static final String XML11_DATATYPE_VALIDATOR_FACTORY = |
| "com.sun.org.apache.xerces.internal.impl.dv.dtd.XML11DTDDVFactoryImpl"; |
| |
| /** |
| * Get an instance of the default DTDDVFactory implementation. |
| * |
| * @return an instance of DTDDVFactory implementation |
| * @exception DVFactoryException cannot create an instance of the specified |
| * class name or the default class name |
| */ |
| public static final DTDDVFactory getInstance() throws DVFactoryException { |
| return getInstance(DEFAULT_FACTORY_CLASS); |
| } |
| |
| /** |
| * Get an instance of DTDDVFactory implementation. |
| * |
| * @param factoryClass name of the implementation to load. |
| * @return an instance of DTDDVFactory implementation |
| * @exception DVFactoryException cannot create an instance of the specified |
| * class name or the default class name |
| */ |
| public static final DTDDVFactory getInstance(String factoryClass) throws DVFactoryException { |
| try { |
| if (DEFAULT_FACTORY_CLASS.equals(factoryClass)) { |
| return new DTDDVFactoryImpl(); |
| } else if (XML11_DATATYPE_VALIDATOR_FACTORY.equals(factoryClass)) { |
| return new XML11DTDDVFactoryImpl(); |
| } else { |
| //fall back for compatibility |
| return (DTDDVFactory) |
| (ObjectFactory.newInstance(factoryClass, true)); |
| } |
| } |
| catch (ClassCastException e) { |
| throw new DVFactoryException("DTD factory class " + factoryClass + " does not extend from DTDDVFactory."); |
| } |
| } |
| |
| // can't create a new object of this class |
| protected DTDDVFactory() {} |
| |
| /** |
| * return a dtd type of the given name |
| * |
| * @param name the name of the datatype |
| * @return the datatype validator of the given name |
| */ |
| public abstract DatatypeValidator getBuiltInDV(String name); |
| |
| /** |
| * get all built-in DVs, which are stored in a map keyed by the name |
| * |
| * @return a map which contains all datatypes |
| */ |
| public abstract Map<String, DatatypeValidator> getBuiltInTypes(); |
| |
| } |