org.apache.xerces.impl.dv.dtd.DTDDVFactoryImpl Maven / Gradle / Ivy

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/*
 * 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 org.apache.xerces.impl.dv.dtd;

import java.util.Hashtable;

import org.apache.xerces.impl.dv.DTDDVFactory;
import org.apache.xerces.impl.dv.DatatypeValidator;

/**
 * the factory to create/return built-in schema DVs and create user-defined DVs
 * 
 * @xerces.internal 
 *
 * @author Sandy Gao, IBM
 *
 * @version $Id$
 */
public class DTDDVFactoryImpl extends DTDDVFactory {

    static final Hashtable fBuiltInTypes = new Hashtable();
    static {
        createBuiltInTypes();
    }

    /**
     * return a dtd type of the given name
     *
     * @param name  the name of the datatype
     * @return      the datatype validator of the given name
     */
    public DatatypeValidator getBuiltInDV(String name) {
        return (DatatypeValidator)fBuiltInTypes.get(name);
    }

    /**
     * get all built-in DVs, which are stored in a hashtable keyed by the name
     *
     * @return      a hashtable which contains all datatypes
     */
    public Hashtable getBuiltInTypes() {
        return (Hashtable)fBuiltInTypes.clone();
    }

    // create all built-in types
    static void createBuiltInTypes() {

        DatatypeValidator dvTemp;

        fBuiltInTypes.put("string", new StringDatatypeValidator());
        fBuiltInTypes.put("ID", new IDDatatypeValidator());
        dvTemp = new IDREFDatatypeValidator();
        fBuiltInTypes.put("IDREF", dvTemp);
        fBuiltInTypes.put("IDREFS", new ListDatatypeValidator(dvTemp));
        dvTemp = new ENTITYDatatypeValidator();
        fBuiltInTypes.put("ENTITY", new ENTITYDatatypeValidator());
        fBuiltInTypes.put("ENTITIES", new ListDatatypeValidator(dvTemp));
        fBuiltInTypes.put("NOTATION", new NOTATIONDatatypeValidator());
        dvTemp = new NMTOKENDatatypeValidator();
        fBuiltInTypes.put("NMTOKEN", dvTemp);
        fBuiltInTypes.put("NMTOKENS", new ListDatatypeValidator(dvTemp));

    }//createBuiltInTypes()

}// DTDDVFactoryImpl