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1   /*
2    * Copyright 2004-2009 the Seasar Foundation and the Others.
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,
13   * either express or implied. See the License for the specific language
14   * governing permissions and limitations under the License.
15   */
16  package org.seasar.cubby.plugins.s2.spi;
17  
18  import org.seasar.cubby.spi.ContainerProvider;
19  import org.seasar.cubby.spi.container.Container;
20  import org.seasar.cubby.spi.container.LookupException;
21  import org.seasar.framework.container.ComponentNotFoundRuntimeException;
22  import org.seasar.framework.container.CyclicReferenceRuntimeException;
23  import org.seasar.framework.container.S2Container;
24  import org.seasar.framework.container.TooManyRegistrationRuntimeException;
25  
26  /**
27   * {@link S2Container} による {@link Container} の実装を提供します。
28   * 
29   * @author baba
30   * @since 2.0.0
31   */
32  public class S2ContainerProvider implements ContainerProvider {
33  
34  	public static final String s2Container_BINDING = "bindingType=must";
35  
36  	/** {@link Container} */
37  	private final Container container = new S2ContainerImpl();
38  
39  	/** S2 コンテナ。 */
40  	private S2Container s2Container;
41  
42  	/**
43  	 * S2 コンテナを設定します。
44  	 * 
45  	 * @param s2Container
46  	 *            S2 コンテナ
47  	 */
48  	public void setS2Container(final S2Container s2Container) {
49  		this.s2Container = s2Container;
50  	}
51  
52  	/**
53  	 * {@inheritDoc}
54  	 */
55  	public Container getContainer() {
56  		return container;
57  	}
58  
59  	/**
60  	 * {@link S2Container} による {@link Container} の実装です。
61  	 * 
62  	 * @author baba
63  	 * @since 2.0.0
64  	 */
65  	private class S2ContainerImpl implements Container {
66  
67  		/**
68  		 * {@inheritDoc}
69  		 * 
70  		 * @throws LookupException
71  		 */
72  		public <T> T lookup(final Class<T> type) throws LookupException {
73  			try {
74  				final T component = type.cast(s2Container.getRoot()
75  						.getComponent(type));
76  				if (component == null) {
77  					throw new LookupException();
78  				}
79  				return component;
80  			} catch (final ComponentNotFoundRuntimeException e) {
81  				throw new LookupException(e);
82  			} catch (final TooManyRegistrationRuntimeException e) {
83  				throw new LookupException(e);
84  			} catch (final CyclicReferenceRuntimeException e) {
85  				throw new LookupException(e);
86  			}
87  		}
88  
89  	}
90  
91  }