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1   package net.trajano.twiff.adapter;
2   
3   import static net.trajano.twiff.internal.TwiffInternal.REQUEST_CONTAINER_KEY;
4   import javax.servlet.ServletRequest;
5   import org.picocontainer.MutablePicoContainer;
6   import org.picocontainer.PicoContainer;
7   
8   /***
9    * This provides access to the {@link javax.servlet.ServletRequest} data.
10   * Adapters like this are meant to remove the implicit casting performed by
11   * those that use it.
12   * 
13   * @author Archimedes Trajano
14   */
15  public class RequestAdapter {
16      /***
17       * The reauest level container.
18       */
19      private final MutablePicoContainer container;
20  
21      /***
22       * Creates the adapter.
23       * 
24       * @param request
25       *                   the request to adapt
26       */
27      public RequestAdapter(final ServletRequest request) {
28          this.container = (MutablePicoContainer) request.getAttribute(REQUEST_CONTAINER_KEY);
29      }
30  
31      /***
32       * Returns the {@link PicoContainer} stored in the request. The container is
33       * stored in the attribute
34       * {@link net.trajano.twiff.internal.TwiffInternal#REQUEST_CONTAINER_KEY}.
35       * 
36       * @return the application level container.
37       */
38      public final MutablePicoContainer getContainer() {
39          return container;
40      }
41  }