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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   */
    31  public class S2ContainerProvider implements ContainerProvider {
    32
    33  	public static final String s2Container_BINDING = "bindingType=must";
    34
    35  	/** {@link Container} */
    36  	private final Container container = new S2ContainerImpl();
    37
    38  	/** S2 コンテナ。 */
    39  	private S2Container s2Container;
    40
    41  	/**
    42  	 * S2 コンテナを設定します。
    43  	 *
    44  	 * @param s2Container
    45  	 *            S2 コンテナ
    46  	 */
    47  	public void setS2Container(final S2Container s2Container) {
    48  		this.s2Container = s2Container;
    49  	}
    50
    51  	/**
    52  	 * {@inheritDoc}
    53  	 */
    54  	public Container getContainer() {
    55  		return container;
    56  	}
    57
    58  	/**
    59  	 * {@link S2Container} による {@link Container} の実装です。
    60  	 *
    61  	 * @author baba
    62  	 */
    63  	private class S2ContainerImpl implements Container {
    64
    65  		/**
    66  		 * {@inheritDoc}
    67  		 *
    68  		 * @throws LookupException
    69  		 */
    70  		public <T> T lookup(final Class<T> type) throws LookupException {
    71  			try {
    72  				final T component = type.cast(s2Container.getRoot()
    73  						.getComponent(type));
    74  				if (component == null) {
    75  					throw new LookupException();
    76  				}
    77  				return component;
    78  			} catch (final ComponentNotFoundRuntimeException e) {
    79  				throw new LookupException(e);
    80  			} catch (final TooManyRegistrationRuntimeException e) {
    81  				throw new LookupException(e);
    82  			} catch (final CyclicReferenceRuntimeException e) {
    83  				throw new LookupException(e);
    84  			}
    85  		}
    86
    87  	}
    88
    89  }