| /* |
| * Copyright (c) 2008, Rickard Öberg. All Rights Reserved. |
| * |
| * Licensed 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. |
| * |
| */ |
| |
| package org.qi4j.runtime.object; |
| |
| import org.qi4j.api.common.ConstructionException; |
| import org.qi4j.api.common.MetaInfo; |
| import org.qi4j.api.common.Visibility; |
| import org.qi4j.api.mixin.Initializable; |
| import org.qi4j.api.mixin.InitializationException; |
| import org.qi4j.api.object.ObjectDescriptor; |
| import org.qi4j.functional.HierarchicalVisitor; |
| import org.qi4j.functional.VisitableHierarchy; |
| import org.qi4j.runtime.composite.ConstructorsModel; |
| import org.qi4j.runtime.injection.InjectedFieldsModel; |
| import org.qi4j.runtime.injection.InjectedMethodsModel; |
| import org.qi4j.runtime.injection.InjectionContext; |
| |
| import static org.qi4j.functional.Iterables.iterable; |
| |
| /** |
| * JAVADOC |
| */ |
| public final class ObjectModel |
| implements ObjectDescriptor, VisitableHierarchy<Object, Object> |
| { |
| private final Class<?> objectType; |
| private final Visibility visibility; |
| private final MetaInfo metaInfo; |
| private final ConstructorsModel constructorsModel; |
| private final InjectedFieldsModel injectedFieldsModel; |
| private final InjectedMethodsModel injectedMethodsModel; |
| |
| public ObjectModel( Class<?> objectType, |
| Visibility visibility, |
| MetaInfo metaInfo |
| ) |
| { |
| this.objectType = objectType; |
| this.visibility = visibility; |
| this.metaInfo = metaInfo; |
| |
| constructorsModel = new ConstructorsModel( objectType ); |
| injectedFieldsModel = new InjectedFieldsModel( objectType ); |
| injectedMethodsModel = new InjectedMethodsModel( objectType ); |
| } |
| |
| @Override |
| @SuppressWarnings( "unchecked" ) |
| public Iterable<Class<?>> types() |
| { |
| Iterable<? extends Class<?>> iterable = iterable( objectType ); |
| return (Iterable<Class<?>>) iterable; |
| } |
| |
| @Override |
| public Visibility visibility() |
| { |
| return visibility; |
| } |
| |
| @Override |
| public <T> T metaInfo( Class<T> infoType ) |
| { |
| return metaInfo.get( infoType ); |
| } |
| |
| @Override |
| public boolean isAssignableTo( Class<?> type ) |
| { |
| return type.isAssignableFrom( objectType ); |
| } |
| |
| @Override |
| public <ThrowableType extends Throwable> boolean accept( HierarchicalVisitor<? super Object, ? super Object, ThrowableType> visitor ) |
| throws ThrowableType |
| { |
| if( visitor.visitEnter( this ) ) |
| { |
| if( constructorsModel.accept( visitor ) ) |
| { |
| if( injectedFieldsModel.accept( visitor ) ) |
| { |
| injectedMethodsModel.accept( visitor ); |
| } |
| } |
| } |
| return visitor.visitLeave( this ); |
| } |
| |
| public Object newInstance( InjectionContext injectionContext ) |
| { |
| Object instance; |
| try |
| { |
| instance = constructorsModel.newInstance( injectionContext ); |
| injectionContext = new InjectionContext( injectionContext.module(), injectionContext.uses(), instance ); |
| injectedFieldsModel.inject( injectionContext, instance ); |
| injectedMethodsModel.inject( injectionContext, instance ); |
| } |
| catch( Exception e ) |
| { |
| throw new ConstructionException( "Could not instantiate " + objectType.getName(), e ); |
| } |
| |
| if( instance instanceof Initializable ) |
| { |
| try |
| { |
| ( (Initializable) instance ).initialize(); |
| } |
| catch( InitializationException e ) |
| { |
| throw new ConstructionException( "Unable to initialize " + objectType, e ); |
| } |
| } |
| |
| return instance; |
| } |
| |
| public void inject( InjectionContext injectionContext, Object instance ) |
| { |
| injectedFieldsModel.inject( injectionContext, instance ); |
| injectedMethodsModel.inject( injectionContext, instance ); |
| } |
| |
| @Override |
| public String toString() |
| { |
| return objectType.getName(); |
| } |
| } |