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package com.sun.org.apache.xerces.internal.impl.dv.dtd;

import com.sun.org.apache.xerces.internal.impl.dv.DTDDVFactory;
import com.sun.org.apache.xerces.internal.impl.dv.DatatypeValidator;
import java.util.Hashtable;

/**
 * the factory to create/return built-in schema DVs and create user-defined DVs
 * 
 * @xerces.internal 
 *
 * @author Sandy Gao, IBM
 *
 * @version $Id: DTDDVFactoryImpl.java,v 1.6 2010-11-01 04:39:45 joehw Exp $
 */
public class DTDDVFactoryImpl extends DTDDVFactory {

    static 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