Coverage Report - org.seasar.cubby.plugins.guice.spi.GuiceContainerProvider
 
Classes in this File Line Coverage Branch Coverage Complexity
GuiceContainerProvider
0%
0/9
N/A
0
GuiceContainerProvider$GuiceContainerImpl
0%
0/8
0%
0/2
0
 
 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.guice.spi;
 17  
 
 18  
 import java.util.Collections;
 19  
 import java.util.HashSet;
 20  
 import java.util.Set;
 21  
 
 22  
 import org.seasar.cubby.spi.ContainerProvider;
 23  
 import org.seasar.cubby.spi.container.Container;
 24  
 import org.seasar.cubby.spi.container.LookupException;
 25  
 
 26  
 import com.google.inject.Inject;
 27  
 import com.google.inject.Injector;
 28  
 
 29  
 /**
 30  
  * Guice の {@link Injector} による {@link Container} の実装を提供します。
 31  
  * 
 32  
  * @author baba
 33  
  * @since 2.0.0
 34  
  */
 35  0
 public class GuiceContainerProvider implements ContainerProvider {
 36  
 
 37  
         /** ルックアップに失敗したことを表す例外クラス名。 */
 38  
         private static final Set<String> LOOKUP_FAILURE_EXCEPTION_CLASS_NAMES;
 39  
         static {
 40  0
                 final Set<String> set = new HashSet<String>();
 41  0
                 set.add("com.google.inject.ConfigurationException");
 42  0
                 LOOKUP_FAILURE_EXCEPTION_CLASS_NAMES = Collections.unmodifiableSet(set);
 43  0
         }
 44  
 
 45  
         /** {@link Container} */
 46  
         private final Container container;
 47  
 
 48  
         /**
 49  
          * インスタンス化します。
 50  
          */
 51  
         @Inject
 52  0
         public GuiceContainerProvider(final Injector injector) {
 53  0
                 this.container = new GuiceContainerImpl(injector);
 54  0
         }
 55  
 
 56  
         /**
 57  
          * {@inheritDoc}
 58  
          */
 59  
         public Container getContainer() {
 60  0
                 return container;
 61  
         }
 62  
 
 63  
         /**
 64  
          * {@link Injector} による {@link Container} の実装です。
 65  
          * 
 66  
          * @author baba
 67  
          * @since 2.0.0
 68  
          */
 69  
         private class GuiceContainerImpl implements Container {
 70  
 
 71  
                 /** インスタンスをルックアップするための {@link Injector} */
 72  
                 private final Injector injector;
 73  
 
 74  
                 /**
 75  
                  * インスタンス化します。
 76  
                  * 
 77  
                  * @param injector
 78  
                  *            インスタンスをルックアップするための {@link Injector}
 79  
                  */
 80  0
                 public GuiceContainerImpl(final Injector injector) {
 81  0
                         this.injector = injector;
 82  0
                 }
 83  
 
 84  
                 /**
 85  
                  * {@inheritDoc}
 86  
                  */
 87  
                 public <T> T lookup(final Class<T> type) throws LookupException {
 88  
                         try {
 89  0
                                 return injector.getInstance(type);
 90  0
                         } catch (final RuntimeException e) {
 91  0
                                 if (LOOKUP_FAILURE_EXCEPTION_CLASS_NAMES.contains(e.getClass()
 92  
                                                 .getName())) {
 93  0
                                         throw new LookupException(e);
 94  
                                 } else {
 95  0
                                         throw e;
 96  
                                 }
 97  
                         }
 98  
                 }
 99  
 
 100  
         }
 101  
 
 102  
 }