- /*
- * The Apache Software License, Version 1.1
- *
- *
- * Copyright (c) 2001, 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.impl.dv;
-
- import java.util.Hashtable;
-
- /**
- * 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.
- *
- * @author Sandy Gao, IBM
- *
- * @version $Id: DTDDVFactory.java,v 1.7 2004/02/17 07:14:48 neeraj Exp $
- */
- public abstract class DTDDVFactory {
-
- private static final String DEFAULT_FACTORY_CLASS = "com.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 synchronized 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 synchronized final DTDDVFactory getInstance(String factoryClass) throws DVFactoryException {
-
- try {
- // if the class name is not specified, use the default one
- return (DTDDVFactory)
- (ObjectFactory.newInstance(factoryClass, ObjectFactory.findClassLoader(), 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();
-
- }