1 // Copyright 2008 Thiago H. de Paula Figueiredo
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
6 //
7 // http://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
14
15 package br.com.arsmachina.tapestrycrud.selectmodel.impl;
16
17 import java.util.List;
18 import java.util.Map;
19
20 import org.apache.tapestry5.Link;
21 import org.apache.tapestry5.SelectModel;
22 import org.apache.tapestry5.ioc.util.StrategyRegistry;
23
24 import br.com.arsmachina.module.service.ControllerSource;
25 import br.com.arsmachina.tapestrycrud.selectmodel.SelectModelFactory;
26 import br.com.arsmachina.tapestrycrud.selectmodel.SingleTypeSelectModelFactory;
27 import br.com.arsmachina.tapestrycrud.services.EncoderSource;
28
29 /**
30 * Default {@link SelectModelFactory} implementation. It delegates all its methods for
31 * {@link SelectModelFactory} instances.
32 *
33 * @author Thiago H. de Paula Figueiredo
34 * @see SelectModel
35 * @see SingleTypeSelectModelFactory
36 * @todo handle enums.
37 */
38 public class SelectModelFactoryImpl implements SelectModelFactory {
39
40 @SuppressWarnings("unchecked")
41 final private StrategyRegistry<SingleTypeSelectModelFactory> registry;
42
43 /**
44 * Single constructor.
45 *
46 * @param registrations a {@link Map}<{@link Class}, {@link Link}{@link SingleTypeSelectModelFactory}>.
47 * It cannot be null.
48 * @param controllerSource a {@link ControllerSource}. It cannot be null.
49 * @param encoderSource an {@link EncoderSource}. It cannot be null.
50 */
51 @SuppressWarnings("unchecked")
52 public SelectModelFactoryImpl(Map<Class, SingleTypeSelectModelFactory> registrations) {
53 registry = StrategyRegistry.newInstance(SingleTypeSelectModelFactory.class, registrations);
54 }
55
56 /**
57 * @see br.com.arsmachina.tapestrycrud.selectmodel.SelectModelFactory#create(java.lang.Class)
58 */
59 public SelectModel create(Class<?> clasz) {
60 return create(clasz, null);
61 }
62
63 /**
64 * @see br.com.arsmachina.tapestrycrud.selectmodel.SelectModelFactory#create(java.lang.Class,
65 * java.util.List)
66 */
67 public <T> SelectModel create(Class<T> clasz, List<T> objects) {
68 return get(clasz).create(objects);
69 }
70
71 @SuppressWarnings("unchecked")
72 private <T> SingleTypeSelectModelFactory<T> get(Class<T> clasz) {
73 return registry.get(clasz);
74 }
75
76 }