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1   /*
2    * Copyright 2007-2008 Naoki NOSE.
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  package jp.liq.container.component;
17  
18  import jp.liq.container.Resolver;
19  import jp.liq.container.reflect.ConstructorWrapper;
20  import jp.liq.container.reflect.ObjectFactory;
21  
22  /**
23   * コンストラクタを使用してコンポーネントのインスタンスを生成するコンポーネントです。
24   * @author nose
25   */
26  public final class ConstructorComponent<T> extends InjectableComponent<T, ConstructorComponent<T>> {
27      private final ConstructorWrapper<T> constructor;
28  
29      /**
30       * このクラスのインスタンスを構築します。
31       * @param ctor コンポーネントのインスタンスを生成するコンストラクタ。
32       * @param componentType コンポーネントの型
33       * @param recycled 生成したインスタンスを再利用する
34       */
35      public ConstructorComponent(ConstructorWrapper<T> ctor, Class<T> componentType, boolean recycled) {
36          super(componentType, ctor.getParameterTypes(), recycled);
37          this.constructor = ctor;
38      }
39  
40      /**
41       * @see jp.liq.container.Component#getDescription()
42       */
43      public final Object getDescription() {
44          return constructor;
45      }
46  
47      /**
48       * @see jp.liq.container.component.InjectableComponent#createObjectFactory(Resolver)
49       */
50      @Override
51      protected final ObjectFactory<T> createObjectFactory(Resolver resolver) {
52          return constructor;
53      }
54  
55      /**
56       * @see jp.liq.container.component.InjectableComponent#getThis()
57       */
58      @Override
59      public ConstructorComponent<T> getThis() {
60          return this;
61      }
62  }