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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.ObjectFactory;
20  import jp.liq.container.reflect.ObjectMethod;
21  
22  /**
23   * オブジェクトのメソッド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 ObjectMethodComponent<T> extends InjectableComponent<T, ObjectMethodComponent<T>> {
27      private final ObjectMethod method;
28      /**
29       * このクラスのインスタンスを構築します。
30       * @param returnType メソッドの戻り値=コンポーネントの型。
31       * @param method コンポーネントのインスタンスを生成するメソッド。
32       */
33      public ObjectMethodComponent(Class<T> returnType, ObjectMethod method) {
34          super(returnType,  method.getParameterTypes());
35          this.method = method;
36      }
37  
38      /**
39       * @see jp.liq.container.Component#getDescription()
40       */
41      public final Object getDescription() {
42          return method;
43      }
44  
45      /**
46       * @see jp.liq.container.component.InjectableComponent#createObjectFactory(Resolver)
47       */
48      @Override
49      protected ObjectFactory<T> createObjectFactory(Resolver resolver) {
50          return method.createObjectFactory(getType());
51      }
52  
53      /**
54       * @see jp.liq.container.component.InjectableComponent#getThis()
55       */
56      @Override
57      public ObjectMethodComponent<T> getThis() {
58          return this;
59      }
60  
61  }