01: /*
02: * Copyright 2005 Sun Microsystems, Inc. All Rights Reserved.
03: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
04: *
05: * This code is free software; you can redistribute it and/or modify it
06: * under the terms of the GNU General Public License version 2 only, as
07: * published by the Free Software Foundation. Sun designates this
08: * particular file as subject to the "Classpath" exception as provided
09: * by Sun in the LICENSE file that accompanied this code.
10: *
11: * This code is distributed in the hope that it will be useful, but WITHOUT
12: * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13: * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14: * version 2 for more details (a copy is included in the LICENSE file that
15: * accompanied this code).
16: *
17: * You should have received a copy of the GNU General Public License version
18: * 2 along with this work; if not, write to the Free Software Foundation,
19: * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20: *
21: * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
22: * CA 95054 USA or visit www.sun.com if you need additional information or
23: * have any questions.
24: */
25:
26: package org.relaxng.datatype.helpers;
27:
28: import org.relaxng.datatype.*;
29:
30: /**
31: * Dummy implementation of {@link DatatypeBuilder}.
32: *
33: * This implementation can be used for Datatypes which have no parameters.
34: * Any attempt to add parameters will be rejected.
35: *
36: * <p>
37: * Typical usage would be:
38: * <PRE><XMP>
39: * class MyDatatypeLibrary implements DatatypeLibrary {
40: * ....
41: * DatatypeBuilder createDatatypeBuilder( String typeName ) {
42: * return new ParameterleessDatatypeBuilder(createDatatype(typeName));
43: * }
44: * ....
45: * }
46: * </XMP></PRE>
47: *
48: * @author <a href="mailto:kohsuke.kawaguchi@sun.com">Kohsuke KAWAGUCHI</a>
49: */
50: public final class ParameterlessDatatypeBuilder implements
51: DatatypeBuilder {
52:
53: /** This type object is returned for the derive method. */
54: private final Datatype baseType;
55:
56: public ParameterlessDatatypeBuilder(Datatype baseType) {
57: this .baseType = baseType;
58: }
59:
60: public void addParameter(String name, String strValue,
61: ValidationContext context) throws DatatypeException {
62: throw new DatatypeException();
63: }
64:
65: public Datatype createDatatype() throws DatatypeException {
66: return baseType;
67: }
68: }
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