| package org.relaxng.datatype.helpers; |
| |
| import org.relaxng.datatype.*; |
| |
| /** |
| * Dummy implementation of {@link DatatypeBuilder}. |
| * |
| * This implementation can be used for Datatypes which have no parameters. |
| * Any attempt to add parameters will be rejected. |
| * |
| * <p> |
| * Typical usage would be: |
| * <PRE><XMP> |
| * class MyDatatypeLibrary implements DatatypeLibrary { |
| * .... |
| * DatatypeBuilder createDatatypeBuilder( String typeName ) { |
| * return new ParameterleessDatatypeBuilder(createDatatype(typeName)); |
| * } |
| * .... |
| * } |
| * </XMP></PRE> |
| * |
| * @author <a href="mailto:kohsuke.kawaguchi@sun.com">Kohsuke KAWAGUCHI</a> |
| */ |
| public final class ParameterlessDatatypeBuilder implements DatatypeBuilder { |
| |
| /** This type object is returned for the derive method. */ |
| private final Datatype baseType; |
| |
| public ParameterlessDatatypeBuilder( Datatype baseType ) { |
| this.baseType = baseType; |
| } |
| |
| public void addParameter( String name, String strValue, ValidationContext context ) |
| throws DatatypeException { |
| throw new DatatypeException(); |
| } |
| |
| public Datatype createDatatype() throws DatatypeException { |
| return baseType; |
| } |
| } |