package org.apache.onami.test.mock.guice;

 /*

  * Licensed to the Apache Software Foundation (ASF) under one

  * or more contributor license agreements.  See the NOTICE file

  * distributed with this work for additional information

  * regarding copyright ownership.  The ASF licenses this file

  * to you under the Apache License, Version 2.0 (the

  * "License"); you may not use this file except in compliance

  * with the License.  You may obtain a copy of the License at

  *

  *   http://www.apache.org/licenses/LICENSE-2.0

  *

  * Unless required by applicable law or agreed to in writing,

  * software distributed under the License is distributed on an

  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY

  * KIND, either express or implied.  See the License for the

  * specific language governing permissions and limitations

  * under the License.

  */

 import java.lang.reflect.Field;

 import java.util.Map;

 import org.apache.onami.test.annotation.Mock;

 import org.apache.onami.test.reflection.AnnotationHandler;

 import org.apache.onami.test.reflection.ClassVisitor;

 import org.apache.onami.test.reflection.HandleException;

 import com.google.inject.TypeLiteral;

 import com.google.inject.spi.TypeEncounter;

 import com.google.inject.spi.TypeListener;

 /**

  * <p>

  * {@link TypeListener} implementation.

  * </p>

  * <p>

  * Creates a specific {@link MockMembersInjector} for each {@link Mock} annotation found.

  * </p>

  *

  * @see MockMembersInjector

  * @see Mock

  */

 public class MockTypeListener

     implements TypeListener

 {

     private final Map<Field, Object> mockedObjects;

     /**

      * Creates a new {@code MockTypeListener} instance given a map of mocked objects.

      *

      * @param mockedObjects a map of mocked objects

      */

     public MockTypeListener( Map<Field, Object> mockedObjects )

     {

         this.mockedObjects = mockedObjects;

     }

     /**

      * {@inheritDoc}

      */

     public <I> void hear( final TypeLiteral<I> typeLiteral, final TypeEncounter<I> typeEncounter )

     {

         try

         {

             new ClassVisitor()

             .registerHandler( Mock.class, new AnnotationHandler<Mock, Field>()

             {

                 public void handle( Mock annotation, Field field )

                     throws HandleException

                 {

                     typeEncounter.register( new MockMembersInjector<I>( field, mockedObjects ) );

                 }

             } )

             .visit( typeLiteral.getRawType() );

         }

         catch ( HandleException e )

         {

             typeEncounter.addError( e );

         }

     }

 }