/*
* JBoss, Home of Professional Open Source
* Copyright 2010, Red Hat, Inc., and individual contributors
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* 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.jboss.jsr299.tck.impl;
import java.lang.annotation.Annotation;
import java.lang.reflect.Type;
import java.util.Set;
import javax.enterprise.inject.AmbiguousResolutionException;
import javax.enterprise.inject.UnsatisfiedResolutionException;
import javax.enterprise.inject.spi.Bean;
import javax.enterprise.inject.spi.BeanManager;
import javax.enterprise.util.TypeLiteral;
public class OldSPIBridge
{
/**
* This used to be an spi method of BeanManager, but it has been removed.
* Replicate it here using the new spi, and deprecate its usage
*
*/
@Deprecated
public static <T> T getInstanceByType(BeanManager manager, Class<T> beanType, Annotation... bindings)
{
Bean<T> bean = (Bean<T>) ensureUniqueBean(beanType, manager.getBeans(beanType, bindings));
return (T)manager.getReference(bean ,beanType, manager.createCreationalContext(bean));
}
@Deprecated
public static <T> T getInstanceByType(BeanManager manager, TypeLiteral<T> beanType, Annotation... bindings)
{
Bean<T> bean = (Bean<T>) ensureUniqueBean(beanType.getType(), manager.getBeans(beanType.getType(), bindings));
return (T) manager.getReference(bean,beanType.getType(), manager.createCreationalContext(bean));
}
public static Bean<?> ensureUniqueBean(Type type, Set<Bean<?>> beans)
{
if (beans.size() == 0)
{
throw new UnsatisfiedResolutionException("Unable to resolve any Web Beans of " + type);
}
else if (beans.size() > 1)
{
throw new AmbiguousResolutionException("More than one bean available for type " + type);
}
return beans.iterator().next();
}
@Deprecated
public static Object getInstanceByName(BeanManager manager, String name)
{
Set<Bean<?>> beans = manager.getBeans(name);
if (beans.size() == 0)
{
return null;
}
else if (beans.size() > 1)
{
throw new AmbiguousResolutionException("Resolved multiple Web Beans with " + name);
}
else
{
Bean<?> bean = beans.iterator().next();
return manager.getReference(bean, bean.getTypes().iterator().next(), manager.createCreationalContext(bean));
}
}
}