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*
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* obtain a copy of the License at
* https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
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// Portions Copyright [2016-2022] [Payara Foundation and/or its affiliates]
package org.glassfish.weld.services;
import static java.util.logging.Level.FINE;
import static jakarta.enterprise.inject.spi.InterceptionType.AROUND_CONSTRUCT;
import static jakarta.enterprise.inject.spi.InterceptionType.POST_ACTIVATE;
import static jakarta.enterprise.inject.spi.InterceptionType.POST_CONSTRUCT;
import static jakarta.enterprise.inject.spi.InterceptionType.PRE_DESTROY;
import static jakarta.enterprise.inject.spi.InterceptionType.PRE_PASSIVATE;
import static org.glassfish.cdi.CDILoggerInfo.ADDING_INTERCEPTOR_FOR_EJB;
import static org.glassfish.cdi.CDILoggerInfo.TRYING_TO_REGISTER_INTERCEPTOR;
import java.lang.reflect.Method;
import java.util.LinkedList;
import java.util.List;
import java.util.logging.Logger;
import jakarta.annotation.PostConstruct;
import jakarta.annotation.PreDestroy;
import jakarta.ejb.PostActivate;
import jakarta.ejb.PrePassivate;
import jakarta.enterprise.inject.spi.InterceptionType;
import jakarta.enterprise.inject.spi.Interceptor;
import jakarta.interceptor.AroundConstruct;
import jakarta.interceptor.AroundInvoke;
import jakarta.interceptor.AroundTimeout;
import javax.naming.InitialContext;
import javax.naming.NamingException;
import jakarta.interceptor.InvocationContext;
import org.glassfish.ejb.api.EjbContainerServices;
import org.glassfish.hk2.api.ServiceLocator;
import org.glassfish.weld.ejb.EjbDescriptorImpl;
import org.glassfish.weld.ejb.SessionObjectReferenceImpl;
import org.jboss.weld.ejb.api.SessionObjectReference;
import org.jboss.weld.ejb.spi.EjbDescriptor;
import org.jboss.weld.ejb.spi.EjbServices;
import org.jboss.weld.ejb.spi.InterceptorBindings;
import com.sun.enterprise.deployment.EjbBundleDescriptor;
import com.sun.enterprise.deployment.EjbInterceptor;
import com.sun.enterprise.deployment.EjbSessionDescriptor;
import com.sun.enterprise.deployment.LifecycleCallbackDescriptor;
/**
* An implementation of th EJBServices Weld SPI. The Weld
* implementation uses this SPI to resolve EJB and register CDI Interceptors for
* EJBs.
*/
public class EjbServicesImpl implements EjbServices {
private ServiceLocator services;
private Logger logger = Logger.getLogger(EjbServicesImpl.class.getName());
public EjbServicesImpl(ServiceLocator h) {
services = h;
}
/**
* Request a reference to an EJB session object from the container. If the
* EJB being resolved is a stateful session bean, the container should
* ensure the session bean is created before this method returns.
*
* @param ejbDescriptor the ejb to resolve
* @return a reference to the session object
*/
@Override
public SessionObjectReference resolveEjb(EjbDescriptor ejbDescriptor) {
SessionObjectReference sessionObj = null;
// All we need to do is create a reference based on one of the beans'
// client views, so just choose one and get its corresponding portable
// JNDI name.
String globalJndiName = getDefaultGlobalJndiName(ejbDescriptor);
if (globalJndiName != null) {
try {
InitialContext ic = new InitialContext();
Object ejbRef = ic.lookup(globalJndiName);
EjbContainerServices containerServices = services.getService(EjbContainerServices.class);
sessionObj = new SessionObjectReferenceImpl(containerServices, ejbRef);
} catch (NamingException ne) {
throw new IllegalStateException("Error resolving session object reference for ejb name "
+ ejbDescriptor.getBeanClass() + " and jndi name " + globalJndiName, ne);
}
} else {
throw new IllegalArgumentException("Not enough type information to resolve ejb for "
+ " ejb name " + ejbDescriptor.getBeanClass());
}
return sessionObj;
}
private String getDefaultGlobalJndiName(EjbDescriptor ejbDesc) {
EjbSessionDescriptor sessionDesc = (EjbSessionDescriptor) ((EjbDescriptorImpl) ejbDesc).getEjbDescriptor();
String clientView = null;
if (sessionDesc.isLocalBean()) {
clientView = sessionDesc.getEjbClassName();
} else if (sessionDesc.getLocalBusinessClassNames().size() >= 1) {
clientView = sessionDesc.getLocalBusinessClassNames().iterator().next();
} else if (sessionDesc.getRemoteBusinessClassNames().size() >= 1) {
clientView = sessionDesc.getRemoteBusinessClassNames().iterator().next();
}
return clientView != null ? sessionDesc.getPortableJndiName(clientView) : null;
}
@Override
public void registerInterceptors(EjbDescriptor ejbDesc, InterceptorBindings interceptorBindings) {
com.sun.enterprise.deployment.EjbDescriptor glassfishEjbDesc = (com.sun.enterprise.deployment.EjbDescriptor) ((EjbDescriptorImpl) ejbDesc).getEjbDescriptor();
// Convert to EjbInterceptor
// First create master list of EjbInterceptor descriptors
for (Interceptor next : interceptorBindings.getAllInterceptors()) {
if (logger.isLoggable(FINE)) {
logger.log(FINE,
TRYING_TO_REGISTER_INTERCEPTOR,
new Object[]{next});
}
// Add interceptor to list all interceptors in ejb descriptor
if (!(glassfishEjbDesc.hasInterceptorClass(next.getBeanClass().getName()))) {
if (logger.isLoggable(FINE)) {
logger.log(FINE,
ADDING_INTERCEPTOR_FOR_EJB,
new Object[]{next.getBeanClass().getName(), glassfishEjbDesc.getEjbClassName()});
}
EjbInterceptor ejbInt = makeEjbInterceptor(next, glassfishEjbDesc.getEjbBundleDescriptor());
ejbInt.setInterceptorClass(next.getBeanClass());
glassfishEjbDesc.addInterceptorClass(ejbInt);
}
}
// Create ordered list of EjbInterceptor for each lifecycle interception type and append to
// EjbDescriptor.
// JSR 299 (CDI) interceptors are always added after any interceptors defined via
// EJB-defined metadata, so the ordering will be correct since all the ejb interceptors
// have already been processed.
glassfishEjbDesc.appendToInterceptorChain(makeInterceptorChain(AROUND_CONSTRUCT,
interceptorBindings.getLifecycleInterceptors(AROUND_CONSTRUCT),
glassfishEjbDesc));
glassfishEjbDesc.appendToInterceptorChain(makeInterceptorChain(POST_CONSTRUCT,
interceptorBindings.getLifecycleInterceptors(POST_CONSTRUCT),
glassfishEjbDesc));
glassfishEjbDesc.appendToInterceptorChain(makeInterceptorChain(PRE_DESTROY,
interceptorBindings.getLifecycleInterceptors(PRE_DESTROY),
glassfishEjbDesc));
glassfishEjbDesc.appendToInterceptorChain(makeInterceptorChain(PRE_PASSIVATE,
interceptorBindings.getLifecycleInterceptors(PRE_PASSIVATE),
glassfishEjbDesc));
glassfishEjbDesc.appendToInterceptorChain(makeInterceptorChain(POST_ACTIVATE,
interceptorBindings.getLifecycleInterceptors(POST_ACTIVATE),
glassfishEjbDesc));
// JSR 299-provided list is organized as per-method. Append each method chain to EjbDescriptor.
Class ejbBeanClass = null;
try {
ClassLoader cl = glassfishEjbDesc.getEjbBundleDescriptor().getClassLoader();
ejbBeanClass = cl.loadClass(glassfishEjbDesc.getEjbClassName());
} catch (ClassNotFoundException cnfe) {
throw new IllegalStateException("Cannot load bean class " + glassfishEjbDesc.getEjbClassName(),
cnfe);
}
Class ejbBeanSuperClass = ejbBeanClass;
while (!ejbBeanSuperClass.equals(java.lang.Object.class)) {
for (Method m : ejbBeanSuperClass.getDeclaredMethods()) {
if (!methodOverridden(ejbBeanClass, m)) {
List aroundInvokeChain
= makeInterceptorChain(InterceptionType.AROUND_INVOKE,
interceptorBindings.getMethodInterceptors(InterceptionType.AROUND_INVOKE, m),
glassfishEjbDesc);
glassfishEjbDesc.addMethodLevelChain(aroundInvokeChain, m, true);
List aroundTimeoutChain
= makeInterceptorChain(InterceptionType.AROUND_TIMEOUT,
interceptorBindings.getMethodInterceptors(InterceptionType.AROUND_TIMEOUT, m),
glassfishEjbDesc);
glassfishEjbDesc.addMethodLevelChain(aroundTimeoutChain, m, false);
}
}
ejbBeanSuperClass = ejbBeanSuperClass.getSuperclass();
}
}
// Section 4.2. Inheritance of member-level metadata of CDI spec states:
// If X declares a non-static method x() annotated with an interceptor binding type Z then Y inherits
// the binding if and only if neither Y nor any intermediate class that is a subclass of X and a
// superclass of Y overrides the method x(). (This behavior is defined by the Common Annotations
// for the Java Platform specification.)
//
// So look at a method on a class. If the method is overridden (not if it over rides) then we skip it
// because it will have already been processed to see if it should be intercepted.
@SuppressWarnings("unchecked")
private boolean methodOverridden(Class beanClass, Method methodOfCurrentClass) {
String methodName = methodOfCurrentClass.getName();
Class[] methodParams = methodOfCurrentClass.getParameterTypes();
Class declaringClass = methodOfCurrentClass.getDeclaringClass();
try {
return !beanClass.getMethod(methodName, methodParams)
.getDeclaringClass()
.equals(declaringClass);
} catch (NoSuchMethodException ignored) {
// ignore
}
return false;
}
private List makeInterceptorChain(InterceptionType interceptionType, List> lifecycleList,
com.sun.enterprise.deployment.EjbDescriptor ejbDesc) {
List ejbInterceptorList = new LinkedList();
if (lifecycleList == null) {
return ejbInterceptorList;
}
for (Interceptor next : lifecycleList) {
EjbInterceptor ejbInt = makeEjbInterceptor(next, ejbDesc.getEjbBundleDescriptor());
Class interceptorClass = next.getBeanClass();
while (interceptorClass != null && !interceptorClass.equals(Object.class)) {
String methodName = getInterceptorMethod(interceptorClass, getInterceptorAnnotationType(interceptionType));
if (methodName != null) {
LifecycleCallbackDescriptor lifecycleDesc = new LifecycleCallbackDescriptor();
lifecycleDesc.setLifecycleCallbackClass(interceptorClass.getName());
lifecycleDesc.setLifecycleCallbackMethod(methodName);
switch (interceptionType) {
case POST_CONSTRUCT :
ejbInt.addPostConstructDescriptor(lifecycleDesc);
break;
case PRE_DESTROY :
ejbInt.addPreDestroyDescriptor(lifecycleDesc);
break;
case PRE_PASSIVATE :
ejbInt.addPrePassivateDescriptor(lifecycleDesc);
break;
case POST_ACTIVATE :
ejbInt.addPostActivateDescriptor(lifecycleDesc);
break;
case AROUND_INVOKE :
lifecycleDesc.setRequiresInvocationContextArgument(true);
ejbInt.addAroundInvokeDescriptor(lifecycleDesc);
break;
case AROUND_TIMEOUT :
lifecycleDesc.setRequiresInvocationContextArgument(true);
ejbInt.addAroundTimeoutDescriptor(lifecycleDesc);
break;
case AROUND_CONSTRUCT :
ejbInt.addAroundConstructDescriptor(lifecycleDesc);
break;
default :
throw new IllegalArgumentException("Invalid lifecycle interception type " + interceptionType);
}
}
interceptorClass = interceptorClass.getSuperclass();
}
ejbInterceptorList.add(ejbInt);
}
return ejbInterceptorList;
}
private Class getInterceptorAnnotationType(InterceptionType interceptionType) {
switch (interceptionType) {
case AROUND_CONSTRUCT :
return AroundConstruct.class;
case POST_CONSTRUCT:
return PostConstruct.class;
case PRE_DESTROY:
return PreDestroy.class;
case PRE_PASSIVATE:
return PrePassivate.class;
case POST_ACTIVATE:
return PostActivate.class;
case AROUND_INVOKE:
return AroundInvoke.class;
case AROUND_TIMEOUT:
return AroundTimeout.class;
}
throw new IllegalArgumentException("Invalid interception type " + interceptionType);
}
@SuppressWarnings({"unchecked", "rawtypes"})
private String getInterceptorMethod(Class interceptorClass, Class annotation) {
for (Method next : interceptorClass.getDeclaredMethods()) {
if (next.getAnnotation(annotation) != null) {
return next.getName();
}
}
return null;
}
private EjbInterceptor makeEjbInterceptor(Interceptor interceptor, EjbBundleDescriptor bundle) {
EjbInterceptor ejbInt = new EjbInterceptor();
ejbInt.setBundleDescriptor(bundle);
ejbInt.setInterceptorClass(interceptor.getBeanClass());
ejbInt.setInterceptorClassName(interceptor.getBeanClass().getName());
ejbInt.setCDIInterceptor(true);
ejbInt.setInterceptor(interceptor);
return ejbInt;
}
@Override
public void cleanup() {
//Nothing to do here.
}
}
