/*
 * @(#)$Id: ErrorDatatypeLibrary.java,v 1.1 2001/10/09 19:23:02 Bear Exp $
 *
 * Copyright 2001 Sun Microsystems, Inc. All Rights Reserved.
 * 
 * This software is the proprietary information of Sun Microsystems, Inc.  
 * Use is subject to license terms.
 * 
 */
package com.sun.msv.datatype;

import org.relaxng.datatype.*;
import com.sun.msv.datatype.xsd.StringType;

/**
 * Dummy <code>DatatypeLibrary</code> implementation which is used
 * to recover from "unknown datatype library" error.
 * 
 * @author
 *	<a href="mailto:kohsuke.kawaguchi@sun.com">Kohsuke KAWAGUCHI</a>
 */
public class ErrorDatatypeLibrary
		implements DatatypeLibrary, DatatypeBuilder {
	
	/** The sole instance of this class. */
	public static final ErrorDatatypeLibrary theInstance = new ErrorDatatypeLibrary();
	
	private ErrorDatatypeLibrary() {}
	
	public Datatype createDatatype( String name ) {
		return StringType.theInstance;
	}
	public DatatypeBuilder createDatatypeBuilder( String name ) {
		return this;
	}
	
	public Datatype createDatatype() {
		return StringType.theInstance;
	}
	public void addParameter( String name, String value, ValidationContext context ) {
	}
	
	
}