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// Portions Copyright [2016] [C2B2 Consulting Limited and/or its affiliates]
package org.glassfish.weld.services;
import com.sun.enterprise.deployment.*;
import org.glassfish.ejb.api.EjbContainerServices;
import org.glassfish.internal.api.Globals;
import org.glassfish.weld.DeploymentImpl;
import org.glassfish.weld.connector.WeldUtils;
import org.jboss.weld.injection.spi.InjectionContext;
import org.jboss.weld.injection.spi.InjectionServices;
import org.glassfish.hk2.api.ServiceLocator;
import com.sun.enterprise.container.common.spi.util.ComponentEnvManager;
import com.sun.enterprise.container.common.spi.util.InjectionException;
import com.sun.enterprise.container.common.spi.util.InjectionManager;
import javax.annotation.Resource;
import javax.ejb.EJB;
import javax.enterprise.inject.Produces;
import javax.enterprise.inject.spi.*;
import javax.enterprise.inject.spi.InjectionTarget;
import javax.persistence.EntityManager;
import javax.persistence.EntityManagerFactory;
import javax.persistence.PersistenceContext;
import javax.persistence.PersistenceUnit;
import javax.xml.ws.WebServiceRef;
import java.util.Collection;
import java.util.HashSet;
import java.util.List;
public class InjectionServicesImpl implements InjectionServices {
private InjectionManager injectionManager;
// Associated bundle context
private BundleDescriptor bundleContext;
private DeploymentImpl deployment;
public InjectionServicesImpl(InjectionManager injectionMgr, BundleDescriptor context, DeploymentImpl deployment) {
injectionManager = injectionMgr;
bundleContext = context;
this.deployment = deployment;
}
private boolean isInterceptor( Class beanClass ) {
HashSet<String> annos = new HashSet<>();
annos.add( javax.interceptor.Interceptor.class.getName() );
boolean res = false;
while ( ! res && beanClass != Object.class ) {
res = WeldUtils.hasValidAnnotation( beanClass, annos, null );
beanClass = beanClass.getSuperclass();
}
return res;
}
public <T> void aroundInject(InjectionContext<T> injectionContext) {
try {
ServiceLocator serviceLocator = Globals.getDefaultHabitat();
ComponentEnvManager compEnvManager = serviceLocator.getService(ComponentEnvManager.class);
EjbContainerServices containerServices = serviceLocator.getService(EjbContainerServices.class);
JndiNameEnvironment componentEnv = compEnvManager.getCurrentJndiNameEnvironment();
ManagedBeanDescriptor mbDesc = null;
JndiNameEnvironment injectionEnv = (JndiNameEnvironment) bundleContext;
AnnotatedType annotatedType = injectionContext.getAnnotatedType();
Class targetClass = annotatedType.getJavaClass();
String targetClassName = targetClass.getName();
Object target = injectionContext.getTarget();
if ( isInterceptor( targetClass ) && ( ! componentEnv.equals(injectionEnv) ) ) {
// Resources injected into interceptors must come from the environment in which the interceptor is
// intercepting, not the environment in which the interceptor resides (for everything else!)
// Must use the injectionEnv to get the injection info to determine where in jndi to look for the objects to inject.
// must use the current jndi component env to lookup the objects to inject
injectionManager.inject( targetClass, target, injectionEnv, null, false );
} else {
if( componentEnv == null ) {
//throw new IllegalStateException("No valid EE environment for injection of " + targetClassName);
System.err.println("No valid EE environment for injection of " + targetClassName);
injectionContext.proceed();
return;
}
// Perform EE-style injection on the target. Skip PostConstruct since
// in this case 299 impl is responsible for calling it.
if( componentEnv instanceof EjbDescriptor ) {
EjbDescriptor ejbDesc = (EjbDescriptor) componentEnv;
if( containerServices.isEjbManagedObject(ejbDesc, targetClass)) {
injectionEnv = componentEnv;
} else {
if( bundleContext instanceof EjbBundleDescriptor ) {
// Check if it's a @ManagedBean class within an ejb-jar. In that case,
// special handling is needed to locate the EE env dependencies
mbDesc = bundleContext.getManagedBeanByBeanClass(targetClassName);
}
}
}
if( mbDesc != null ) {
injectionManager.injectInstance(target, mbDesc.getGlobalJndiName(), false);
} else {
if( injectionEnv instanceof EjbBundleDescriptor ) {
// CDI-style managed bean that doesn't have @ManagedBean annotation but
// is injected within the context of an ejb. Need to explicitly
// set the environment of the ejb bundle.
if ( target == null ) {
injectionManager.injectClass(targetClass, compEnvManager.getComponentEnvId(injectionEnv),false);
} else {
injectionManager.injectInstance(target, compEnvManager.getComponentEnvId(injectionEnv),false);
}
} else {
if ( target == null ) {
injectionManager.injectClass(targetClass, injectionEnv, false);
} else {
injectionManager.injectInstance(target, injectionEnv, false);
}
}
}
}
injectionContext.proceed();
} catch(InjectionException ie) {
throw new IllegalStateException(ie.getMessage(), ie);
}
}
public <T> void registerInjectionTarget(InjectionTarget<T> injectionTarget, AnnotatedType<T> annotatedType) {
if ( bundleContext instanceof EjbBundleDescriptor ) {
// we can't handle validting producer fields for ejb bundles because the JNDI environment is not setup
// yet for ejbs and so we can't get the correct JndiNameEnvironment to call getInjectionInfoByClass.
// getInjectionInfoByClass caches the results and so causes subsequent calls to return invalid information.
return;
}
// We are only validating producer fields of resources. See spec section 3.7.1
Class annotatedClass = annotatedType.getJavaClass();
JndiNameEnvironment jndiNameEnvironment = (JndiNameEnvironment) bundleContext;
InjectionInfo injectionInfo = jndiNameEnvironment.getInjectionInfoByClass(annotatedClass);
List<InjectionCapable> injectionResources = injectionInfo.getInjectionResources();
for (AnnotatedField<? super T> annotatedField : annotatedType.getFields()) {
if ( annotatedField.isAnnotationPresent( Produces.class ) ) {
if ( annotatedField.isAnnotationPresent( EJB.class ) ) {
validateEjbProducer( annotatedClass, annotatedField, injectionResources );
} else if ( annotatedField.isAnnotationPresent( Resource.class ) ) {
validateResourceProducer( annotatedClass, annotatedField, injectionResources );
} else if ( annotatedField.isAnnotationPresent( PersistenceUnit.class ) ) {
validateResourceClass(annotatedField, EntityManagerFactory.class);
} else if ( annotatedField.isAnnotationPresent( PersistenceContext.class ) ) {
validateResourceClass(annotatedField, EntityManager.class);
} else if ( annotatedField.isAnnotationPresent( WebServiceRef.class ) ) {
validateWebServiceRef( annotatedField );
}
}
}
}
private void validateEjbProducer( Class annotatedClass,
AnnotatedField annotatedField,
List<InjectionCapable> injectionResources ) {
EJB ejbAnnotation = annotatedField.getAnnotation(EJB.class);
if ( ejbAnnotation != null ) {
String lookupName = getLookupName(annotatedClass,
annotatedField,
injectionResources);
EjbDescriptor foundEjb = null;
Collection<EjbDescriptor> ejbs = deployment.getDeployedEjbs();
for ( EjbDescriptor oneEjb : ejbs ) {
String jndiName = oneEjb.getJndiName();
if(jndiName.isEmpty()) {
jndiName = oneEjb.getName();
}
if (lookupName.contains(jndiName)) {
foundEjb = oneEjb;
break;
}
}
if ( foundEjb != null ) {
String className = foundEjb.getEjbImplClassName();
try {
Class clazz = Class.forName( className, false, annotatedClass.getClassLoader() );
validateResourceClass(annotatedField, clazz);
} catch (ClassNotFoundException ignore) {
}
}
}
}
private void validateResourceProducer( Class annotatedClass,
AnnotatedField annotatedField,
List<InjectionCapable> injectionResources ) {
Resource resourceAnnotation = annotatedField.getAnnotation(Resource.class);
if ( resourceAnnotation != null ) {
String lookupName = getLookupName(annotatedClass,
annotatedField,
injectionResources);
if ( lookupName.equals( "java:comp/BeanManager" ) ) {
validateResourceClass(annotatedField, BeanManager.class);
} else {
boolean done = false;
for (InjectionCapable injectionCapable : injectionResources) {
for (com.sun.enterprise.deployment.InjectionTarget target : injectionCapable.getInjectionTargets()) {
if( target.isFieldInjectable() ) { // make sure it's a field and not a method
if ( annotatedClass.getName().equals(target.getClassName() ) &&
target.getFieldName().equals( annotatedField.getJavaMember().getName() ) ) {
String type = injectionCapable.getInjectResourceType();
try {
Class clazz = Class.forName( type, false, annotatedClass.getClassLoader() );
validateResourceClass(annotatedField, clazz);
} catch (ClassNotFoundException ignore) {
} finally {
done = true;
}
}
}
if ( done ) {
break;
}
}
}
}
}
}
private void validateWebServiceRef( AnnotatedField annotatedField ) {
WebServiceRef webServiceRef = annotatedField.getAnnotation(WebServiceRef.class);
if ( webServiceRef != null ) {
if ( javax.xml.ws.Service.class.isAssignableFrom(annotatedField.getJavaMember().getType())) {
return;
}
if ( annotatedField.getJavaMember().getType().isInterface() ) {
Class serviceClass = webServiceRef.value();
if ( serviceClass != null ) {
if ( ! javax.xml.ws.Service.class.isAssignableFrom(serviceClass)) {
throw new DefinitionException( "The type of the injection point " +
annotatedField.getJavaMember().getName() +
" is an interface: " +
annotatedField.getJavaMember().getType().getName() +
". The @WebSreviceRef value of " +
serviceClass +
" is not assignable from " +
javax.xml.ws.Service.class.getName());
}
}
} else {
throw new DefinitionException( "The type of the injection point " +
annotatedField.getJavaMember().getName() +
" is " +
annotatedField.getJavaMember().getType().getName() +
". This type is invalid for a field annotated with @WebSreviceRef");
}
}
}
private void validateResourceClass(AnnotatedField annotatedField, Class resourceClass) {
if ( ! annotatedField.getJavaMember().getType().isAssignableFrom( resourceClass ) ) {
throwProducerDefinitionExeption( annotatedField.getJavaMember().getName(),
annotatedField.getJavaMember().getType().getName(),
resourceClass.getName() );
}
}
private void throwProducerDefinitionExeption( String annotatedFieldName,
String annotatedFieldType,
String resourceClassName ) {
throw new DefinitionException( "The type of the injection point " +
annotatedFieldName +
" is " +
annotatedFieldType +
". The type of the physical resource is " +
resourceClassName +
" They are incompatible. ");
}
private String getComponentEnvName( Class annotatedClass, String fieldName, List<InjectionCapable> injectionResources ) {
for (InjectionCapable injectionCapable : injectionResources) {
for (com.sun.enterprise.deployment.InjectionTarget target : injectionCapable.getInjectionTargets()) {
if( target.isFieldInjectable() ) { // make sure it's a field and not a method
if ( annotatedClass.getName().equals(target.getClassName() ) &&
target.getFieldName().equals( fieldName ) ) {
String name = injectionCapable.getComponentEnvName();
if ( ! name.startsWith("java:") ) {
name = "java:comp/env/" + name;
}
return name;
}
}
}
}
return null;
}
private String getLookupName( Class annotatedClass, AnnotatedField annotatedField, List<InjectionCapable> injectionResources ) {
String lookupName = null;
if ( annotatedField.isAnnotationPresent( Resource.class ) ) {
Resource resource = annotatedField.getAnnotation( Resource.class );
lookupName = getJndiName( resource.lookup(), resource.mappedName(), resource.name() );
} else if ( annotatedField.isAnnotationPresent( EJB.class ) ) {
EJB ejb = annotatedField.getAnnotation( EJB.class );
lookupName = getJndiName(ejb.lookup(), ejb.mappedName(), ejb.name());
} else if ( annotatedField.isAnnotationPresent( WebServiceRef.class ) ) {
WebServiceRef webServiceRef = annotatedField.getAnnotation( WebServiceRef.class );
lookupName = getJndiName(webServiceRef.lookup(), webServiceRef.mappedName(), webServiceRef.name());
} else if ( annotatedField.isAnnotationPresent( PersistenceUnit.class ) ) {
PersistenceUnit persistenceUnit = annotatedField.getAnnotation( PersistenceUnit.class );
lookupName = getJndiName( persistenceUnit.unitName(), null, persistenceUnit.name() );
} else if ( annotatedField.isAnnotationPresent( PersistenceContext.class ) ) {
PersistenceContext persistenceContext = annotatedField.getAnnotation( PersistenceContext.class );
lookupName = getJndiName( persistenceContext.unitName(), null, persistenceContext.name() );
}
if ( lookupName == null || lookupName.trim().length() == 0 ) {
lookupName = getComponentEnvName( annotatedClass,
annotatedField.getJavaMember().getName(),
injectionResources );
}
return lookupName;
}
private String getJndiName( String lookup, String mappedName, String name ) {
String jndiName = lookup;
if ( jndiName == null || jndiName.length() == 0 ) {
jndiName = mappedName;
if ( jndiName == null || jndiName.length() == 0 ) {
jndiName = name;
}
}
return jndiName;
}
public void cleanup() {
}
}