1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one
3 * or more contributor license agreements. See the NOTICE file
4 * distributed with this work for additional information
5 * regarding copyright ownership. The ASF licenses this file
6 * to you under the Apache License, Version 2.0 (the
7 * "License"); you may not use this file except in compliance
8 * with the License. You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing,
13 * software distributed under the License is distributed on an
14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15 * KIND, either express or implied. See the License for the
16 * specific language governing permissions and limitations
17 * under the License.
18 */
19 package org.apache.myfaces.view.facelets.tag.jsf;
20
21 import javax.faces.view.facelets.MetaRule;
22 import javax.faces.view.facelets.Metadata;
23 import javax.faces.view.facelets.MetadataTarget;
24 import javax.faces.view.facelets.TagAttribute;
25
26 /**
27 *
28 * @author lu4242
29 */
30 final class ElementNameRule extends MetaRule
31 {
32
33 public final static ElementNameRule INSTANCE = new ElementNameRule();
34
35 @Override
36 public Metadata applyRule(String name, TagAttribute attribute, MetadataTarget meta)
37 {
38 if ("elementName".equals(name))
39 {
40 if (!attribute.isLiteral())
41 {
42 Class<?> type = meta.getPropertyType(name);
43 if (type == null)
44 {
45 type = Object.class;
46 }
47
48 return new PassthroughRuleImpl.ValueExpressionMetadata(name, type, attribute);
49 }
50 else
51 {
52 return new PassthroughRuleImpl.LiteralAttributeMetadata(name, attribute.getValue());
53 }
54 }
55 return null;
56 }
57
58 }