1 /*
2 * Copyright 2004-2009 the original author or authors.
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 package org.springmodules.validation.bean.conf.loader.xml.handler.jodatime;
18
19 import java.beans.PropertyDescriptor;
20
21 import org.joda.time.Instant;
22 import org.springmodules.validation.bean.conf.loader.xml.handler.AbstractPropertyValidationElementHandler;
23 import org.springmodules.validation.bean.rule.AbstractValidationRule;
24 import org.springmodules.validation.bean.rule.InstantInThePastValidationRule;
25 import org.w3c.dom.Element;
26
27 /**
28 * An {@link AbstractPropertyValidationElementHandler} implementation that can handle an element that represents an "in the
29 * past" joda-time instant validation rule.
30 *
31 * @author Uri Boness
32 */
33 public class InstantInPastRuleElementHandler extends AbstractPropertyValidationElementHandler {
34
35 private static final String ELEMENT_NAME = "in-past";
36
37 /**
38 * Constructs a new InstantInPastRuleElementHandler.
39 */
40 public InstantInPastRuleElementHandler(String namespaceUri) {
41 super(ELEMENT_NAME, namespaceUri);
42 }
43
44 /**
45 * In addition to the element name and namespace check, this handler only support properties of type
46 * {@link org.joda.time.Instant}.
47 *
48 * @see org.springmodules.validation.bean.conf.loader.xml.handler.PropertyValidationElementHandler#supports(org.w3c.dom.Element, Class, java.beans.PropertyDescriptor)
49 */
50 public boolean supports(Element element, Class clazz, PropertyDescriptor descriptor) {
51 return super.supports(element, clazz, descriptor) && Instant.class.isAssignableFrom(descriptor.getPropertyType());
52 }
53
54 protected AbstractValidationRule createValidationRule(Element element) {
55 return new InstantInThePastValidationRule();
56 }
57
58 }