@SuppressWarnings({"UnusedDeclaration"})
public class OpenEJBNamingContextListener implements LifecycleListener, PropertyChangeListener {
private static final Logger logger =
Logger.getInstance(
LogCategory.OPENEJB.createChild("tomcat"), "org.apache.openejb.util.resources");
/** Associated standardServer. */
private final StandardServer standardServer;
/** Has the listener been started? */
private boolean running = false;
/** Associated naming resources. */
private final NamingResources namingResources;
public OpenEJBNamingContextListener(StandardServer standardServer) {
this.standardServer = standardServer;
namingResources = standardServer.getGlobalNamingResources();
}
public void lifecycleEvent(LifecycleEvent event) {
if (event.getLifecycle() != standardServer) {
return;
}
if (Lifecycle.START_EVENT.equals(event.getType())) {
start();
} else if (Lifecycle.STOP_EVENT.equals(event.getType())) {
stop();
}
}
public boolean isRunning() {
return running;
}
public void start() {
if (running) return;
namingResources.addPropertyChangeListener(this);
processInitialNamingResources();
running = true;
}
public void stop() {
if (!running) return;
namingResources.removePropertyChangeListener(this);
running = false;
}
public void propertyChange(PropertyChangeEvent event) {
if (!running) return;
Object source = event.getSource();
if (source == namingResources) {
processGlobalResourcesChange(
event.getPropertyName(), event.getOldValue(), event.getNewValue());
}
}
/**
* Process a property change on the global naming resources, by making the corresponding addition
* or removal to OpenEJB.
*
* @param name Property name of the change to be processed
* @param oldValue The old value (or <code>null</code> if adding)
* @param newValue The new value (or <code>null</code> if removing)
*/
private void processGlobalResourcesChange(String name, Object oldValue, Object newValue) {
// NOTE - It seems that the Context for global JNDI resources
// is left in read-write mode, so we do not have to change it here
if (name.equals("ejb")) {
if (oldValue != null) {
ContextEjb ejb = (ContextEjb) oldValue;
if (ejb.getName() != null) {
removeEjb(ejb.getName());
}
}
if (newValue != null) {
ContextEjb ejb = (ContextEjb) newValue;
if (ejb.getName() != null) {
addEjb(ejb);
}
}
} else if (name.equals("environment")) {
if (oldValue != null) {
ContextEnvironment env = (ContextEnvironment) oldValue;
if (env.getName() != null) {
removeEnvironment(env.getName());
}
}
if (newValue != null) {
ContextEnvironment env = (ContextEnvironment) newValue;
if (env.getName() != null) {
addEnvironment(env);
}
}
} else if (name.equals("localEjb")) {
if (oldValue != null) {
ContextLocalEjb ejb = (ContextLocalEjb) oldValue;
if (ejb.getName() != null) {
removeLocalEjb(ejb.getName());
}
}
if (newValue != null) {
ContextLocalEjb ejb = (ContextLocalEjb) newValue;
if (ejb.getName() != null) {
addLocalEjb(ejb);
}
}
} else if (name.equals("resource")) {
if (oldValue != null) {
ContextResource resource = (ContextResource) oldValue;
if (resource.getName() != null) {
removeResource(resource.getName());
}
}
if (newValue != null) {
ContextResource resource = (ContextResource) newValue;
if (resource.getName() != null) {
addResource(resource);
}
}
} else if (name.equals("resourceEnvRef")) {
if (oldValue != null) {
ContextResourceEnvRef resourceEnvRef = (ContextResourceEnvRef) oldValue;
if (resourceEnvRef.getName() != null) {
removeResourceEnvRef(resourceEnvRef.getName());
}
}
if (newValue != null) {
ContextResourceEnvRef resourceEnvRef = (ContextResourceEnvRef) newValue;
if (resourceEnvRef.getName() != null) {
addResourceEnvRef(resourceEnvRef);
}
}
} else if (name.equals("resourceLink")) {
if (oldValue != null) {
ContextResourceLink rl = (ContextResourceLink) oldValue;
if (rl.getName() != null) {
removeResourceLink(rl.getName());
}
}
if (newValue != null) {
ContextResourceLink rl = (ContextResourceLink) newValue;
if (rl.getName() != null) {
addResourceLink(rl);
}
}
}
}
private void processInitialNamingResources() {
// Resource links
ContextResourceLink[] resourceLinks = namingResources.findResourceLinks();
for (ContextResourceLink resourceLink : resourceLinks) {
addResourceLink(resourceLink);
}
// Resources
ContextResource[] resources = namingResources.findResources();
for (ContextResource resource : resources) {
addResource(resource);
}
// Resources Env
ContextResourceEnvRef[] resourceEnvRefs = namingResources.findResourceEnvRefs();
for (ContextResourceEnvRef resourceEnvRef : resourceEnvRefs) {
addResourceEnvRef(resourceEnvRef);
}
// Environment entries
ContextEnvironment[] contextEnvironments = namingResources.findEnvironments();
for (ContextEnvironment contextEnvironment : contextEnvironments) {
addEnvironment(contextEnvironment);
}
// EJB references
ContextEjb[] ejbs = namingResources.findEjbs();
for (ContextEjb ejb : ejbs) {
addEjb(ejb);
}
}
public void addEjb(ContextEjb ejb) {}
public void addEnvironment(ContextEnvironment env) {
bindResource(env);
}
public void addLocalEjb(ContextLocalEjb localEjb) {}
public void addResource(ContextResource resource) {
bindResource(resource);
}
public void addResourceEnvRef(ContextResourceEnvRef resourceEnvRef) {
bindResource(resourceEnvRef);
}
private void bindResource(ResourceBase res) {
try {
Context globalNamingContext = standardServer.getGlobalNamingContext();
Object value = globalNamingContext.lookup(res.getName());
String type = res.getType();
bindResource(res.getName(), value, type);
} catch (NamingException e) {
logger.error("Unable to lookup Global Tomcat resource " + res.getName(), e);
}
}
private void bindResource(final String name, final Object value, final String type) {
Assembler assembler =
(Assembler) SystemInstance.get().getComponent(org.apache.openejb.spi.Assembler.class);
try {
assembler
.getContainerSystem()
.getJNDIContext()
.lookup(Assembler.OPENEJB_RESOURCE_JNDI_PREFIX + name);
return;
} catch (NamingException ne) {
// no-op: OK
}
final ResourceInfo resourceInfo = new ResourceInfo();
resourceInfo.id = name;
resourceInfo.service = "Resource";
resourceInfo.types.add(type);
PassthroughFactory.add(resourceInfo, value);
logger.info(
"Importing a Tomcat Resource with id '" + resourceInfo.id + "' of type '" + type + "'.");
try {
assembler.createResource(resourceInfo);
} catch (OpenEJBException e) {
logger.error("Unable to bind Global Tomcat resource " + name + " into OpenEJB", e);
}
}
public void addResourceLink(ContextResourceLink resourceLink) {}
public void removeEjb(String name) {}
public void removeEnvironment(String name) {}
public void removeLocalEjb(String name) {}
public void removeResource(String name) {
// there isn't any way to remove a resource yet
}
public void removeResourceEnvRef(String name) {
// there isn't any way to remove a resource yet
}
public void removeResourceLink(String name) {}
}
/** @version $Rev$ $Date$ */
public class OptimizedLoaderService implements LoaderService {
private static final Logger log =
Logger.getInstance(LogCategory.OPENEJB.createChild("cdi"), OptimizedLoaderService.class);
public static final ThreadLocal<Collection<String>> ADDITIONAL_EXTENSIONS =
new ThreadLocal<Collection<String>>();
private final LoaderService loaderService;
public OptimizedLoaderService() {
this(new DefaultLoaderService());
}
public OptimizedLoaderService(final LoaderService loaderService) {
this.loaderService = loaderService;
}
@Override
public <T> List<T> load(final Class<T> serviceType) {
return load(serviceType, Thread.currentThread().getContextClassLoader());
}
@Override
public <T> List<T> load(final Class<T> serviceType, final ClassLoader classLoader) {
// ServiceLoader is expensive (can take up to a half second). This is an optimization
if (OpenWebBeansPlugin.class.equals(serviceType)) {
return (List<T>) loadWebBeansPlugins(classLoader);
}
// As far as we know, this only is reached for CDI Extension discovery
if (Extension.class.equals(serviceType)) {
return (List<T>) loadExtensions(classLoader);
}
return loaderService.load(serviceType, classLoader);
}
protected List<? extends Extension> loadExtensions(final ClassLoader classLoader) {
final List<Extension> list = loaderService.load(Extension.class, classLoader);
final Collection<String> additional = ADDITIONAL_EXTENSIONS.get();
if (additional != null) {
for (final String name : additional) {
try {
list.add(Extension.class.cast(classLoader.loadClass(name).newInstance()));
} catch (final Exception ignored) {
// no-op
}
}
}
final Collection<Extension> extensionCopy = new ArrayList<>(list);
final Iterator<Extension> it = list.iterator();
while (it.hasNext()) {
if (it.hasNext()) {
if (isFiltered(extensionCopy, it.next())) {
it.remove();
}
}
}
return list;
}
// mainly intended to avoid conflicts between internal and overrided spec extensions
private boolean isFiltered(final Collection<Extension> extensions, final Extension next) {
final ClassLoader containerLoader = ParentClassLoaderFinder.Helper.get();
final Class<? extends Extension> extClass = next.getClass();
if (extClass.getClassLoader() != containerLoader) {
return false;
}
final String name = extClass.getName();
switch (name) {
case "org.apache.bval.cdi.BValExtension":
for (final Extension e : extensions) {
final String en = e.getClass().getName();
// org.hibernate.validator.internal.cdi.ValidationExtension but allowing few evolutions of
// packages
if (en.startsWith("org.hibernate.validator.") && en.endsWith("ValidationExtension")) {
log.info("Skipping BVal CDI integration cause hibernate was found in the application");
return true;
}
}
break;
case "org.apache.batchee.container.cdi.BatchCDIInjectionExtension": // see
// org.apache.openejb.batchee.BatchEEServiceManager
return "true"
.equals(SystemInstance.get().getProperty("tomee.batchee.cdi.use-extension", "false"));
case "org.apache.commons.jcs.jcache.cdi.MakeJCacheCDIInterceptorFriendly":
final String spi = "META-INF/services/javax.cache.spi.CachingProvider";
try {
final Enumeration<URL> appResources =
Thread.currentThread().getContextClassLoader().getResources(spi);
if (appResources != null && appResources.hasMoreElements()) {
final Collection<URL> containerResources =
Collections.list(containerLoader.getResources(spi));
do {
if (!containerResources.contains(appResources.nextElement())) {
log.info(
"Skipping JCS CDI integration cause another provide was found in the application");
return true;
}
} while (appResources.hasMoreElements());
}
} catch (final Exception e) {
// no-op
}
break;
default:
}
return false;
}
private List<? extends OpenWebBeansPlugin> loadWebBeansPlugins(final ClassLoader loader) {
final List<OpenWebBeansPlugin> list = new ArrayList<>(2);
list.add(new CdiPlugin());
{
final Class<?> clazz;
try {
clazz = loader.loadClass("org.apache.geronimo.openejb.cdi.GeronimoWebBeansPlugin");
try {
list.add(OpenWebBeansPlugin.class.cast(clazz.newInstance()));
} catch (final Exception e) {
log.error("Unable to load OpenWebBeansPlugin: GeronimoWebBeansPlugin");
}
} catch (final ClassNotFoundException e) {
// ignore
}
}
{
final Class<?> clazz;
try {
clazz = loader.loadClass("org.apache.webbeans.jsf.plugin.OpenWebBeansJsfPlugin");
try {
list.add(
OpenWebBeansPlugin.class.cast(
Proxy.newProxyInstance(
loader,
new Class<?>[] {OpenWebBeansPlugin.class},
new ClassLoaderAwareHandler(
clazz.getSimpleName(), clazz.newInstance(), loader))));
} catch (final Exception e) {
log.error("Unable to load OpenWebBeansPlugin: OpenWebBeansJsfPlugin");
}
} catch (final ClassNotFoundException e) {
// ignore
}
}
return list;
}
}
