/*
* JBoss, Home of Professional Open Source
* Copyright 2013, 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.as.weld.services.bootstrap;
import java.lang.reflect.Type;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
import javax.enterprise.inject.spi.InjectionPoint;
import org.jboss.as.ee.component.EEModuleDescription;
import org.jboss.as.naming.ContextListManagedReferenceFactory;
import org.jboss.as.naming.ManagedReference;
import org.jboss.as.naming.ManagedReferenceFactory;
import org.jboss.as.naming.deployment.ContextNames;
import org.jboss.msc.service.ServiceController;
import org.jboss.msc.service.ServiceRegistry;
import org.jboss.weld.injection.spi.ResourceReference;
import org.jboss.weld.injection.spi.ResourceReferenceFactory;
import org.jboss.weld.injection.spi.helpers.SimpleResourceReference;
import org.jboss.weld.logging.BeanLogger;
import org.jboss.weld.util.reflection.HierarchyDiscovery;
import org.jboss.weld.util.reflection.Reflections;
import org.wildfly.security.manager.WildFlySecurityManager;
public abstract class AbstractResourceInjectionServices {
protected final ServiceRegistry serviceRegistry;
protected final EEModuleDescription moduleDescription;
protected AbstractResourceInjectionServices(ServiceRegistry serviceRegistry, EEModuleDescription moduleDescription) {
this.serviceRegistry = serviceRegistry;
this.moduleDescription = moduleDescription;
}
protected abstract ContextNames.BindInfo getBindInfo(final String result);
protected ManagedReferenceFactory getManagedReferenceFactory(ContextNames.BindInfo ejbBindInfo) {
try {
ServiceController<?> controller = serviceRegistry.getRequiredService(ejbBindInfo.getBinderServiceName());
return (ManagedReferenceFactory) controller.getValue();
} catch (Exception e) {
return null;
}
}
protected ResourceReferenceFactory<Object> handleServiceLookup(final String result, InjectionPoint injectionPoint) {
final ContextNames.BindInfo ejbBindInfo = getBindInfo(result);
/*
* Try to obtain ManagedReferenceFactory and validate the resource type
*/
final ManagedReferenceFactory factory = getManagedReferenceFactory(ejbBindInfo);
validateResourceInjectionPointType(factory, injectionPoint);
if (factory != null) {
return new ManagedReferenceFactoryToResourceReferenceFactoryAdapter<Object>(factory);
} else {
return createLazyResourceReferenceFactory(ejbBindInfo);
}
}
protected static void validateResourceInjectionPointType(ManagedReferenceFactory fact, InjectionPoint injectionPoint) {
if (!(fact instanceof ContextListManagedReferenceFactory) || injectionPoint == null) {
return; // validation is skipped as we have no information about the resource type
}
final ContextListManagedReferenceFactory factory = (ContextListManagedReferenceFactory) fact;
// the resource class may come from JBoss AS
Class<?> resourceClass = org.jboss.as.weld.util.Reflections.loadClass(factory.getInstanceClassName(), factory.getClass().getClassLoader());
// or it may come from deployment
if (resourceClass == null) {
resourceClass = org.jboss.as.weld.util.Reflections.loadClass(factory.getInstanceClassName(), WildFlySecurityManager.getCurrentContextClassLoaderPrivileged());
}
if (resourceClass != null) {
validateResourceInjectionPointType(resourceClass, injectionPoint);
}
// otherwise, the validation is skipped as we have no information about the resource type
}
private static final Map<Class<?>, Class<?>> BOXED_TYPES;
static {
Map<Class<?>, Class<?>> types = new HashMap<Class<?>, Class<?>>();
types.put(int.class, Integer.class);
types.put(byte.class, Byte.class);
types.put(short.class, Short.class);
types.put(long.class, Long.class);
types.put(char.class, Character.class);
types.put(float.class, Float.class);
types.put(double.class, Double.class);
types.put(boolean.class, Boolean.class);
BOXED_TYPES = Collections.unmodifiableMap(types);
}
protected static void validateResourceInjectionPointType(Class<?> resourceType, InjectionPoint injectionPoint) {
Class<?> injectionPointRawType = Reflections.getRawType(injectionPoint.getType());
HierarchyDiscovery discovery = new HierarchyDiscovery(resourceType);
for (Type type : discovery.getTypeClosure()) {
if (Reflections.getRawType(type).equals(injectionPointRawType)) {
return;
}
}
// type autoboxing
if (resourceType.isPrimitive() && BOXED_TYPES.get(resourceType).equals(injectionPointRawType)) {
return;
} else if (injectionPointRawType.isPrimitive() && BOXED_TYPES.get(injectionPointRawType).equals(resourceType)) {
return;
}
throw BeanLogger.LOG.invalidResourceProducerType(injectionPoint.getAnnotated(), resourceType.getName());
}
protected ResourceReferenceFactory<Object> createLazyResourceReferenceFactory(final ContextNames.BindInfo ejbBindInfo) {
return new ResourceReferenceFactory<Object>() {
@Override
public ResourceReference<Object> createResource() {
final ManagedReferenceFactory factory = getManagedReferenceFactory(ejbBindInfo);
if (factory == null) {
return new SimpleResourceReference<>(null);
}
final ManagedReference instance = factory.getReference();
return new ResourceReference<Object>() {
@Override
public Object getInstance() {
return instance.getInstance();
}
@Override
public void release() {
instance.release();
}
};
}
};
}
}