/**
* Finds a ejb-jar.xml (at WEB-INF of a .war or META-INF of a .jar) parses the file and creates
* metadata out of it. The metadata is then attached to the deployment unit.
*
* @param deploymentPhase
* @throws DeploymentUnitProcessingException
*/
@Override
public void deploy(DeploymentPhaseContext deploymentPhase)
throws DeploymentUnitProcessingException {
// get hold of the deployment unit.
DeploymentUnit deploymentUnit = deploymentPhase.getDeploymentUnit();
// get the root of the deployment unit
VirtualFile deploymentRoot =
deploymentUnit.getAttachment(Attachments.DEPLOYMENT_ROOT).getRoot();
// Locate a ejb-jar.xml
VirtualFile ejbJarXml = null;
// EJB 3.1 FR 20.4 Enterprise Beans Packaged in a .war
// TODO: Is there a better way to do this?
if (deploymentRoot.getName().toLowerCase().endsWith(WAR_FILE_EXTENSION)) {
// it's a .war file, so look for the ejb-jar.xml in WEB-INF
ejbJarXml = deploymentRoot.getChild(EJB_JAR_XML_LOCATION_IN_WAR);
} else if (deploymentRoot.getName().toLowerCase().endsWith(JAR_FILE_EXTENSION)) {
ejbJarXml = deploymentRoot.getChild(EJB_JAR_XML_LOCATION_IN_JAR);
} else {
// neither a .jar nor a .war. Return
return;
}
if (ejbJarXml == null || !ejbJarXml.exists()) {
// no ejb-jar.xml found, nothing to do!
return;
}
// Mark it as a EJB deployment
EjbDeploymentMarker.mark(deploymentUnit);
if (!deploymentUnit.hasAttachment(EjbDeploymentAttachmentKeys.EJB_JAR_DESCRIPTION)) {
final EEModuleDescription moduleDescription =
deploymentUnit.getAttachment(org.jboss.as.ee.component.Attachments.EE_MODULE_DESCRIPTION);
final EjbJarDescription ejbModuleDescription = new EjbJarDescription(moduleDescription);
deploymentUnit.putAttachment(
EjbDeploymentAttachmentKeys.EJB_JAR_DESCRIPTION, ejbModuleDescription);
}
// get the XMLStreamReader and parse the ejb-jar.xml
MetaDataElementParser.DTDInfo dtdInfo = new MetaDataElementParser.DTDInfo();
InputStream stream = null;
try {
stream = ejbJarXml.openStream();
XMLStreamReader reader = this.getXMLStreamReader(stream, ejbJarXml, dtdInfo);
EjbJarMetaData ejbJarMetaData = EjbJarMetaDataParser.parse(reader, dtdInfo);
// attach the EjbJarMetaData to the deployment unit
deploymentUnit.putAttachment(EjbDeploymentAttachmentKeys.EJB_JAR_METADATA, ejbJarMetaData);
} catch (XMLStreamException xmlse) {
throw new DeploymentUnitProcessingException(
"Exception while parsing ejb-jar.xml: " + ejbJarXml.getPathName(), xmlse);
} catch (IOException ioe) {
throw new DeploymentUnitProcessingException(
"Failed to create reader for ejb-jar.xml: " + ejbJarXml.getPathName(), ioe);
} finally {
try {
if (stream != null) {
stream.close();
}
} catch (IOException ioe) {
logger.debug("Ignoring exception while closing the InputStream ", ioe);
}
}
}
private void processSessionBeans(
final DeploymentUnit deploymentUnit,
final List<AnnotationInstance> sessionBeanAnnotations,
final SessionBeanComponentDescription.SessionBeanType annotatedSessionBeanType) {
final EjbJarDescription ejbJarDescription = getEjbJarDescription(deploymentUnit);
final ServiceName deploymentUnitServiceName = deploymentUnit.getServiceName();
// process these session bean annotations and create component descriptions out of it
for (final AnnotationInstance sessionBeanAnnotation : sessionBeanAnnotations) {
final AnnotationTarget target = sessionBeanAnnotation.target();
if (!(target instanceof ClassInfo)) {
// Let's just WARN and move on. No need to throw an error
logger.warn(
sessionBeanAnnotation.name()
+ " annotation is expected to be applied on class level. "
+ target
+ " is not a class");
continue;
}
final ClassInfo sessionBeanClassInfo = (ClassInfo) target;
// skip if it's not a valid class for session bean
if (!assertSessionBeanClassValidity(sessionBeanClassInfo)) {
continue;
}
final String ejbName = sessionBeanClassInfo.name().local();
final AnnotationValue nameValue = sessionBeanAnnotation.value("name");
final String beanName =
nameValue == null || nameValue.asString().isEmpty() ? ejbName : nameValue.asString();
final EnterpriseBeanMetaData beanMetaData =
getEnterpriseBeanMetaData(deploymentUnit, beanName);
final SessionBeanComponentDescription.SessionBeanType sessionBeanType;
final String beanClassName;
if (beanMetaData != null && beanMetaData instanceof SessionBeanMetaData) {
sessionBeanType =
override(
annotatedSessionBeanType,
descriptionOf(((SessionBeanMetaData) beanMetaData).getSessionType()));
} else {
sessionBeanType = annotatedSessionBeanType;
}
if (beanMetaData != null) {
beanClassName =
override(sessionBeanClassInfo.name().toString(), beanMetaData.getEjbClass());
} else {
beanClassName = sessionBeanClassInfo.name().toString();
}
final SessionBeanComponentDescription sessionBeanDescription;
switch (sessionBeanType) {
case STATELESS:
sessionBeanDescription =
new StatelessComponentDescription(
beanName, beanClassName, ejbJarDescription, deploymentUnitServiceName);
break;
case STATEFUL:
sessionBeanDescription =
new StatefulComponentDescription(
beanName, beanClassName, ejbJarDescription, deploymentUnitServiceName);
break;
case SINGLETON:
sessionBeanDescription =
new SingletonComponentDescription(
beanName, beanClassName, ejbJarDescription, deploymentUnitServiceName);
break;
default:
throw new IllegalArgumentException("Unknown session bean type: " + sessionBeanType);
}
if (appclient) {
deploymentUnit.addToAttachmentList(
Attachments.ADDITIONAL_RESOLVABLE_COMPONENTS, sessionBeanDescription);
} else {
// Add this component description to module description
ejbJarDescription.getEEModuleDescription().addComponent(sessionBeanDescription);
}
}
EjbDeploymentMarker.mark(deploymentUnit);
}
