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// Portions Copyright [2017-2021] [Payara Foundation and/or its affiliates]
package org.glassfish.ejb.mdb.deployment.annotation.handlers;
import java.lang.annotation.Annotation;
import java.lang.reflect.AnnotatedElement;
import java.util.logging.Level;
import jakarta.ejb.ActivationConfigProperty;
import jakarta.ejb.MessageDriven;
import com.sun.enterprise.deployment.DescriptorConstants;
import org.glassfish.ejb.deployment.annotation.handlers.AbstractEjbHandler;
import com.sun.enterprise.deployment.EnvironmentProperty;
import com.sun.enterprise.deployment.NameValuePairDescriptor;
import com.sun.enterprise.deployment.annotation.context.EjbBundleContext;
import com.sun.enterprise.deployment.runtime.BeanPoolDescriptor;
import org.glassfish.apf.AnnotationHandlerFor;
import org.glassfish.apf.AnnotationInfo;
import org.glassfish.apf.AnnotationProcessorException;
import org.glassfish.apf.HandlerProcessingResult;
import org.glassfish.config.support.TranslatedConfigView;
import org.glassfish.ejb.deployment.descriptor.EjbBundleDescriptorImpl;
import org.glassfish.ejb.deployment.descriptor.EjbDescriptor;
import org.glassfish.ejb.deployment.descriptor.EjbMessageBeanDescriptor;
import org.glassfish.ejb.deployment.descriptor.runtime.IASEjbExtraDescriptors;
import org.jvnet.hk2.annotations.Service;
/**
* This handler is responsible for handling the jakarta.ejb.MessageDriven
*
* @author Shing Wai Chan
*/
@Service
@AnnotationHandlerFor(MessageDriven.class)
public class MessageDrivenHandler extends AbstractEjbHandler {
/** Creates a new instance of MessageDrivenHandler */
public MessageDrivenHandler() {
}
/**
* Return the name attribute of given annotation.
* @param annotation
* @return name
*/
protected String getAnnotatedName(Annotation annotation) {
MessageDriven mdAn = (MessageDriven)annotation;
return mdAn.name();
}
/**
* Check if the given EjbDescriptor matches the given Annotation.
* @param ejbDesc
* @param annotation
* @return boolean check for validity of EjbDescriptor
*/
protected boolean isValidEjbDescriptor(EjbDescriptor ejbDesc,
Annotation annotation) {
return EjbMessageBeanDescriptor.TYPE.equals(ejbDesc.getType());
}
/**
* Create a new EjbDescriptor for a given elementName and AnnotationInfo.
* @param elementName
* @param ainfo
* @return a new EjbDescriptor
*/
protected EjbDescriptor createEjbDescriptor(String elementName,
AnnotationInfo ainfo) throws AnnotationProcessorException {
AnnotatedElement ae = ainfo.getAnnotatedElement();
EjbMessageBeanDescriptor newDescriptor = new EjbMessageBeanDescriptor();
Class ejbClass = (Class)ae;
newDescriptor.setName(elementName);
newDescriptor.setEjbClassName(ejbClass.getName());
return newDescriptor;
}
/**
* Set Annotation information to Descriptor.
* This method will also be invoked for an existing descriptor with
* annotation as user may not specific a complete xml.
* @param ejbDesc
* @param ainfo
* @return HandlerProcessingResult
*/
protected HandlerProcessingResult setEjbDescriptorInfo(
EjbDescriptor ejbDesc, AnnotationInfo ainfo)
throws AnnotationProcessorException {
MessageDriven mdAn = (MessageDriven)ainfo.getAnnotation();
Class ejbClass = (Class)ainfo.getAnnotatedElement();
EjbMessageBeanDescriptor ejbMsgBeanDesc =
(EjbMessageBeanDescriptor)ejbDesc;
HandlerProcessingResult procResult =
setMessageListenerInterface(
mdAn, ejbMsgBeanDesc, ejbClass, ainfo);
doDescriptionProcessing(mdAn.description(), ejbMsgBeanDesc);
doMappedNameProcessing(mdAn.mappedName(), ejbMsgBeanDesc);
for (ActivationConfigProperty acProp : mdAn.activationConfig()) {
EnvironmentProperty envProp = new EnvironmentProperty(
acProp.propertyName(),
TranslatedConfigView.expandValue(acProp.propertyValue()), "");
// with empty description
// xml override
switch (acProp.propertyName()) {
case "resourceAdapter":
ejbMsgBeanDesc.setResourceAdapterMid(envProp.getValue());
break;
case DescriptorConstants.MAX_POOL_SIZE:
initialiseBeanPoolDescriptor(ejbMsgBeanDesc);
ejbMsgBeanDesc.getIASEjbExtraDescriptors().getBeanPool().setMaxPoolSize(Integer.valueOf(envProp.getValue()));
break;
case DescriptorConstants.POOL_RESIZE_QTY:
initialiseBeanPoolDescriptor(ejbMsgBeanDesc);
ejbMsgBeanDesc.getIASEjbExtraDescriptors().getBeanPool().setPoolResizeQuantity(Integer.valueOf(envProp.getValue()));
break;
case DescriptorConstants.STEADY_POOL_SIZE:
initialiseBeanPoolDescriptor(ejbMsgBeanDesc);
ejbMsgBeanDesc.getIASEjbExtraDescriptors().getBeanPool().setSteadyPoolSize(Integer.valueOf(envProp.getValue()));
break;
case DescriptorConstants.MAX_WAIT_TIME:
initialiseBeanPoolDescriptor(ejbMsgBeanDesc);
ejbMsgBeanDesc.getIASEjbExtraDescriptors().getBeanPool().setMaxWaitTimeInMillis(Integer.valueOf(envProp.getValue()));
break;
case DescriptorConstants.POOL_IDLE_TIMEOUT:
initialiseBeanPoolDescriptor(ejbMsgBeanDesc);
ejbMsgBeanDesc.getIASEjbExtraDescriptors().getBeanPool().setPoolIdleTimeoutInSeconds(Integer.valueOf(envProp.getValue()));
break;
case "SingletonBeanPool":
NameValuePairDescriptor singletonProperty = new NameValuePairDescriptor();
singletonProperty.setName("singleton-bean-pool");
singletonProperty.setValue(envProp.getValue());
ejbMsgBeanDesc.getEjbBundleDescriptor().addEnterpriseBeansProperty(singletonProperty);
break;
default:
if (ejbMsgBeanDesc.getActivationConfigValue(envProp.getName()) == null) {
ejbMsgBeanDesc.putActivationConfigProperty(envProp);
}
break;
}
}
return procResult;
}
private HandlerProcessingResult setMessageListenerInterface(
MessageDriven mdAn, EjbMessageBeanDescriptor msgEjbDesc,
Class ejbClass, AnnotationInfo ainfo)
throws AnnotationProcessorException {
String intfName = null;
// If @MessageDriven contains message listener interface, that takes
// precedence. Otherwise, the message listener interface is derived
// from the implements clause.
if( mdAn.messageListenerInterface() != Object.class ) {
intfName = mdAn.messageListenerInterface().getName();
} else {
for(Class next : ejbClass.getInterfaces()) {
if( !excludedFromImplementsClause(next) ) {
if( intfName == null ) {
intfName = next.getName();
} else {
EjbBundleDescriptorImpl currentBundle = (EjbBundleDescriptorImpl)
((EjbBundleContext)ainfo.getProcessingContext().getHandler()).getDescriptor();
log(Level.SEVERE, ainfo,
localStrings.getLocalString(
"enterprise.deployment.annotation.handlers.ambiguousimplementsclausemdb",
"Implements clause for 3.x message driven bean class {0} in {1} declares more than one potential message-listener interface. In this case, the @MessageDriven.messageListenerInterface() attribute must be used to specify the message listener interface.",
new Object[] { ejbClass,
currentBundle.getModuleDescriptor().getArchiveUri() }));
return getDefaultFailedResult();
}
}
}
}
// if it's still null, check whether it's defined through
// deployment descriptor
// note: the descriptor class has a default value
// for the interface: jakarta.jms.MessageListener
// so intfName after this set, will never be null
if (intfName == null) {
intfName = msgEjbDesc.getMessageListenerType();
}
msgEjbDesc.setMessageListenerType(intfName);
return getDefaultProcessedResult();
}
private void initialiseBeanPoolDescriptor(EjbMessageBeanDescriptor ejbMsgBeanDesc) {
BeanPoolDescriptor beanPoolDescriptor = ejbMsgBeanDesc.getIASEjbExtraDescriptors().getBeanPool();
if (beanPoolDescriptor == null) {
beanPoolDescriptor = new BeanPoolDescriptor();
ejbMsgBeanDesc.getIASEjbExtraDescriptors().setBeanPool(beanPoolDescriptor);
}
}
}
