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. * *
* Typical usage would be: *
* * @author Kohsuke KAWAGUCHI */ 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; } }* class MyDatatypeLibrary implements DatatypeLibrary { * .... * DatatypeBuilder createDatatypeBuilder( String typeName ) { * return new ParameterleessDatatypeBuilder(createDatatype(typeName)); * } * .... * } *