/*
* Copyright (c) 2007, 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.injection.provider;
import org.qi4j.api.common.MetaInfo;
import org.qi4j.api.composite.InvalidValueCompositeException;
import org.qi4j.api.composite.ModelDescriptor;
import org.qi4j.api.concern.internal.ConcernFor;
import org.qi4j.api.injection.scope.*;
import org.qi4j.api.object.ObjectDescriptor;
import org.qi4j.api.sideeffect.internal.SideEffectFor;
import org.qi4j.api.value.ValueComposite;
import org.qi4j.bootstrap.InvalidInjectionException;
import org.qi4j.runtime.injection.DependencyModel;
import org.qi4j.runtime.injection.InjectionProvider;
import org.qi4j.runtime.injection.InjectionProviderFactory;
import org.qi4j.runtime.model.Resolution;
import java.lang.annotation.Annotation;
import java.util.HashMap;
import java.util.Map;
/**
* JAVADOC
*/
public final class InjectionProviderFactoryStrategy
implements InjectionProviderFactory
{
private final Map<Class<? extends Annotation>, InjectionProviderFactory> generalProviderFactories = new HashMap<Class<? extends Annotation>, InjectionProviderFactory>();
private final Map<Class<? extends Annotation>, InjectionProviderFactory> valuesProviderFactories = new HashMap<Class<? extends Annotation>, InjectionProviderFactory>();
private MetaInfo metaInfo;
public InjectionProviderFactoryStrategy( MetaInfo metaInfo )
{
this.metaInfo = metaInfo;
valuesProviderFactories.put( This.class, new ThisInjectionProviderFactory() );
ModifiesInjectionProviderFactory modifiesInjectionProviderFactory = new ModifiesInjectionProviderFactory();
valuesProviderFactories.put( ConcernFor.class, modifiesInjectionProviderFactory );
valuesProviderFactories.put( SideEffectFor.class, modifiesInjectionProviderFactory );
valuesProviderFactories.put( State.class, new StateInjectionProviderFactory() );
valuesProviderFactories.put( Structure.class, new CachingInjectionProviderFactoryDecorator( new StructureInjectionProviderFactory() ) );
valuesProviderFactories.put( Service.class, new CachingInjectionProviderFactoryDecorator( new ServiceInjectionProviderFactory() ) );
generalProviderFactories.put( Invocation.class, new InvocationInjectionProviderFactory() );
generalProviderFactories.put( Uses.class, new UsesInjectionProviderFactory() );
}
public InjectionProvider newInjectionProvider( Resolution resolution, DependencyModel dependencyModel )
throws InvalidInjectionException
{
Class<? extends Annotation> injectionAnnotationType = dependencyModel.injectionAnnotation().annotationType();
InjectionProviderFactory factory1 = generalProviderFactories.get( injectionAnnotationType );
InjectionProviderFactory factory2 = valuesProviderFactories.get( injectionAnnotationType );
if( factory1 == null && factory2 == null )
{
InjectionProviderFactory factory = metaInfo.get( InjectionProviderFactory.class );
if( factory != null )
{
return factory.newInjectionProvider( resolution, dependencyModel );
}
else
{
throw new InvalidInjectionException( "Unknown injection annotation @" + injectionAnnotationType.getSimpleName() );
}
}
ModelDescriptor composite = resolution.model();
Class<?> compositeType = composite.type();
if( factory1 != null && ValueComposite.class.isAssignableFrom( compositeType ) )
{
throw new InvalidValueCompositeException( "@" + injectionAnnotationType.getSimpleName() + " is not allowed in ValueComposites: " + compositeType );
}
InjectionProviderFactory factory;
if( factory1 == null )
{
factory = factory2;
}
else
{
factory = factory1;
}
return factory.newInjectionProvider( resolution, dependencyModel );
}
}