content: /*
   *  This file is part of AndroidIDE.
   *
   *  AndroidIDE is free software: you can redistribute it and/or modify
   *  it under the terms of the GNU General Public License as published by
   *  the Free Software Foundation, either version 3 of the License, or
   *  (at your option) any later version.
   *
   *  AndroidIDE 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 for more details.
   *
   *  You should have received a copy of the GNU General Public License
   *   along with AndroidIDE.  If not, see <https://www.gnu.org/licenses/>.
   */
  
  /*
   * reserved comment block
   * DO NOT REMOVE OR ALTER!
   */
  /*
   * Copyright 2001, 2002,2004 The Apache Software Foundation.
   *
   * Licensed 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 jaxp.sun.org.apache.xerces.internal.impl.dv;
  
  import java.util.Hashtable;
  import jaxp.sun.org.apache.xerces.internal.utils.ObjectFactory;
  
  /**
   * 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
   *
   * @version $Id: DTDDVFactory.java,v 1.6 2010-11-01 04:39:43 joehw Exp $
   */
  public abstract class DTDDVFactory {
  
      private static final String DEFAULT_FACTORY_CLASS = "jaxp.sun.org.apache.xerces.internal.impl.dv.dtd.DTDDVFactoryImpl";
  
      /**
       * 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 the class name is not specified, use the default one
              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 hashtable keyed by the name
       *
       * @return      a hashtable which contains all datatypes
       */
      public abstract Hashtable getBuiltInTypes();
  
  }
  