001package org.relaxng.datatype;
002
003/**
004 * A Datatype library
005 *
006 * @author <a href="mailto:jjc@jclark.com">James Clark</a>
007 * @author <a href="mailto:kohsuke.kawaguchi@sun.com">Kohsuke KAWAGUCHI</a>
008 */
009public interface DatatypeLibrary {
010
011        /**
012         * Creates a new instance of DatatypeBuilder.
013         *
014         * The callee should throw a DatatypeException in case of an error.
015         *
016         * @param baseTypeLocalName
017         *              The local name of the base type.
018         *
019         * @return
020         *              A non-null valid datatype object.
021         */
022        DatatypeBuilder createDatatypeBuilder( String baseTypeLocalName )
023                throws DatatypeException;
024
025        /**
026         * Gets or creates a pre-defined type.
027         *
028         * This is just a short-cut of
029         * <code>createDatatypeBuilder(typeLocalName).createDatatype();</code>
030         *
031         * The callee should throw a DatatypeException in case of an error.
032         *
033         * @return
034         *              A non-null valid datatype object.
035         */
036        Datatype createDatatype( String typeLocalName ) throws DatatypeException;
037}