/**
* @param context
* @param scis
* @throws Exception
*/
public void createServletContainerInitializerAnnotationHandlers(
WebAppContext context, List<ServletContainerInitializer> scis) throws Exception {
if (scis == null || scis.isEmpty()) return; // nothing to do
List<ContainerInitializer> initializers = new ArrayList<ContainerInitializer>();
context.setAttribute(CONTAINER_INITIALIZERS, initializers);
for (ServletContainerInitializer service : scis) {
HandlesTypes annotation = service.getClass().getAnnotation(HandlesTypes.class);
ContainerInitializer initializer = null;
if (annotation != null) {
// There is a HandlesTypes annotation on the on the ServletContainerInitializer
Class<?>[] classes = annotation.value();
if (classes != null) {
initializer = new ContainerInitializer(service, classes);
// If we haven't already done so, we need to register a handler that will
// process the whole class hierarchy to satisfy the ServletContainerInitializer
if (context.getAttribute(CLASS_INHERITANCE_MAP) == null) {
// MultiMap<String> map = new MultiMap<>();
ConcurrentHashMap<String, ConcurrentHashSet<String>> map = new ClassInheritanceMap();
context.setAttribute(CLASS_INHERITANCE_MAP, map);
_classInheritanceHandler = new ClassInheritanceHandler(map);
}
for (Class<?> c : classes) {
// The value of one of the HandlesTypes classes is actually an Annotation itself so
// register a handler for it
if (c.isAnnotation()) {
if (LOG.isDebugEnabled())
LOG.debug("Registering annotation handler for " + c.getName());
_containerInitializerAnnotationHandlers.add(
new ContainerInitializerAnnotationHandler(initializer, c));
}
}
} else {
initializer = new ContainerInitializer(service, null);
if (LOG.isDebugEnabled())
LOG.debug("No classes in HandlesTypes on initializer " + service.getClass());
}
} else {
initializer = new ContainerInitializer(service, null);
if (LOG.isDebugEnabled()) LOG.debug("No annotation on initializer " + service.getClass());
}
initializers.add(initializer);
}
// add a bean to the context which will call the servletcontainerinitializers when appropriate
ServletContainerInitializersStarter starter =
(ServletContainerInitializersStarter) context.getAttribute(CONTAINER_INITIALIZER_STARTER);
if (starter != null)
throw new IllegalStateException("ServletContainerInitializersStarter already exists");
starter = new ServletContainerInitializersStarter(context);
context.setAttribute(CONTAINER_INITIALIZER_STARTER, starter);
context.addBean(starter, true);
}
private ServletContainerInitializerInfo buildInitializerInfo(
InstanceFactoryFactory factory, Class<? extends ServletContainerInitializer> clazz) {
Set<Class<?>> types = new HashSet<>();
HandlesTypes handlesTypes = clazz.getAnnotation(HandlesTypes.class);
if (handlesTypes != null) {
for (Class<?> type : handlesTypes.value()) {
if (type.isAnnotation()) {
types.addAll(annotationDatabase.getTypes((Class<? extends Annotation>) type));
}
}
}
InstanceFactory<? extends ServletContainerInitializer> instanceFactory =
factory.getInstanceFactory(clazz);
return new ServletContainerInitializerInfo(clazz, instanceFactory, types);
}
/** Process SCIs. */
public void deploy(final DeploymentPhaseContext phaseContext)
throws DeploymentUnitProcessingException {
final DeploymentUnit deploymentUnit = phaseContext.getDeploymentUnit();
final ModuleSpecification moduleSpecification =
deploymentUnit.getAttachment(Attachments.MODULE_SPECIFICATION);
final ServiceModuleLoader loader =
deploymentUnit.getAttachment(Attachments.SERVICE_MODULE_LOADER);
if (!DeploymentTypeMarker.isType(DeploymentType.WAR, deploymentUnit)) {
return; // Skip non web deployments
}
WarMetaData warMetaData = deploymentUnit.getAttachment(WarMetaData.ATTACHMENT_KEY);
assert warMetaData != null;
final Module module = deploymentUnit.getAttachment(Attachments.MODULE);
if (module == null) {
throw MESSAGES.failedToResolveModule(deploymentUnit);
}
final ClassLoader classLoader = module.getClassLoader();
ScisMetaData scisMetaData = deploymentUnit.getAttachment(ScisMetaData.ATTACHMENT_KEY);
if (scisMetaData == null) {
scisMetaData = new ScisMetaData();
deploymentUnit.putAttachment(ScisMetaData.ATTACHMENT_KEY, scisMetaData);
}
Set<ServletContainerInitializer> scis = scisMetaData.getScis();
if (scis == null) {
scis = new HashSet<ServletContainerInitializer>();
scisMetaData.setScis(scis);
}
Map<ServletContainerInitializer, Set<Class<?>>> handlesTypes = scisMetaData.getHandlesTypes();
if (handlesTypes == null) {
handlesTypes = new HashMap<ServletContainerInitializer, Set<Class<?>>>();
scisMetaData.setHandlesTypes(handlesTypes);
}
// Find the SCIs from shared modules
for (ModuleDependency dependency : moduleSpecification.getSystemDependencies()) {
try {
Module depModule = loader.loadModule(dependency.getIdentifier());
ServiceLoader<ServletContainerInitializer> serviceLoader =
depModule.loadService(ServletContainerInitializer.class);
for (ServletContainerInitializer service : serviceLoader) {
scis.add(service);
}
} catch (ModuleLoadException e) {
if (dependency.isOptional() == false) {
throw MESSAGES.errorLoadingSCIFromModule(dependency.getIdentifier(), e);
}
}
}
// Find local ServletContainerInitializer services
List<String> order = warMetaData.getOrder();
Map<String, VirtualFile> localScis = warMetaData.getScis();
if (order != null && localScis != null) {
for (String jar : order) {
VirtualFile sci = localScis.get(jar);
if (sci != null) {
ServletContainerInitializer service = loadSci(classLoader, sci, jar, true);
if (service != null) {
scis.add(service);
}
}
}
}
// Process HandlesTypes for ServletContainerInitializer
Map<Class<?>, Set<ServletContainerInitializer>> typesMap =
new HashMap<Class<?>, Set<ServletContainerInitializer>>();
for (ServletContainerInitializer service : scis) {
if (service.getClass().isAnnotationPresent(HandlesTypes.class)) {
HandlesTypes handlesTypesAnnotation = service.getClass().getAnnotation(HandlesTypes.class);
Class<?>[] typesArray = handlesTypesAnnotation.value();
if (typesArray != null) {
for (Class<?> type : typesArray) {
Set<ServletContainerInitializer> servicesSet = typesMap.get(type);
if (servicesSet == null) {
servicesSet = new HashSet<ServletContainerInitializer>();
typesMap.put(type, servicesSet);
}
servicesSet.add(service);
handlesTypes.put(service, new HashSet<Class<?>>());
}
}
}
}
Class<?>[] typesArray = typesMap.keySet().toArray(new Class<?>[0]);
final CompositeIndex index =
deploymentUnit.getAttachment(Attachments.COMPOSITE_ANNOTATION_INDEX);
if (index == null) {
throw MESSAGES.unableToResolveAnnotationIndex(deploymentUnit);
}
// Find classes which extend, implement, or are annotated by HandlesTypes
for (Class<?> type : typesArray) {
DotName className = DotName.createSimple(type.getName());
Set<ClassInfo> classInfos = processHandlesType(className, type, index);
Set<Class<?>> classes = loadClassInfoSet(classInfos, classLoader);
Set<ServletContainerInitializer> sciSet = typesMap.get(type);
for (ServletContainerInitializer sci : sciSet) {
handlesTypes.get(sci).addAll(classes);
}
}
}
/** @see WebXmlParser#parse(InputStream) */
public WebApp parse(final Bundle bundle, final InputStream inputStream) {
final WebApp webApp = new WebApp(); // changed to final because of inner
// class.
try {
final Element rootElement = getRootElement(inputStream);
if (rootElement != null) {
// webApp = new WebApp();
// web-app attributes
String version = getAttribute(rootElement, "version");
Integer majorVersion = null;
if (version != null && !version.isEmpty() && version.length() > 2) {
LOG.debug("version found in web.xml - " + version);
try {
majorVersion = Integer.parseInt(version.split("\\.")[0]);
} catch (NumberFormatException nfe) {
// munch do nothing here stay with null therefore
// annotation scanning is disabled.
}
} else if (version != null && !version.isEmpty() && version.length() > 0) {
try {
majorVersion = Integer.parseInt(version);
} catch (NumberFormatException e) {
// munch do nothing here stay with null....
}
}
Boolean metaDataComplete =
Boolean.parseBoolean(getAttribute(rootElement, "metadata-complete", "false"));
webApp.setMetaDataComplete(metaDataComplete);
LOG.debug("metadata-complete is: " + metaDataComplete);
// web-app elements
webApp.setDisplayName(getTextContent(getChild(rootElement, "display-name")));
parseContextParams(rootElement, webApp);
parseSessionConfig(rootElement, webApp);
parseServlets(rootElement, webApp);
parseFilters(rootElement, webApp);
parseListeners(rootElement, webApp);
parseErrorPages(rootElement, webApp);
parseWelcomeFiles(rootElement, webApp);
parseMimeMappings(rootElement, webApp);
parseSecurity(rootElement, webApp);
LOG.debug("scanninf for ServletContainerInitializers");
ServiceLoader<ServletContainerInitializer> serviceLoader =
ServiceLoader.load(
ServletContainerInitializer.class, bundle.getClass().getClassLoader());
if (serviceLoader != null) {
LOG.debug("ServletContainerInitializers found");
while (serviceLoader.iterator().hasNext()) {
// for (ServletContainerInitializer service :
// serviceLoader) {
ServletContainerInitializer service = null;
try {
bundle.loadClass(ServletContainerInitializer.class.getName());
Object obj = serviceLoader.iterator().next();
if (obj instanceof ServletContainerInitializer)
service = (ServletContainerInitializer) obj;
else continue;
} catch (ServiceConfigurationError e) {
LOG.error("ServiceConfigurationError loading ServletContainerInitializer", e);
continue;
} catch (ClassNotFoundException e) {
LOG.error("ServiceConfigurationError loading ServletContainerInitializer", e);
continue;
}
WebAppServletContainerInitializer webAppServletContainerInitializer =
new WebAppServletContainerInitializer();
webAppServletContainerInitializer.setServletContainerInitializer(service);
if (!webApp.getMetaDataComplete() && majorVersion != null && majorVersion >= 3) {
HandlesTypes annotation = service.getClass().getAnnotation(HandlesTypes.class);
Class[] classes;
if (annotation != null) {
// add annotated classes to service
classes = annotation.value();
webAppServletContainerInitializer.setClasses(classes);
}
}
webApp.addServletContainerInitializer(webAppServletContainerInitializer);
}
}
if (!webApp.getMetaDataComplete() && majorVersion != null && majorVersion >= 3) {
LOG.debug("metadata-complete is either false or not set");
LOG.debug("scanning for annotated classes");
Enumeration<?> clazzes = bundle.findEntries("/", "*.class", true);
for (; clazzes.hasMoreElements(); ) {
URL clazzUrl = (URL) clazzes.nextElement();
Class<?> clazz;
String clazzFile = clazzUrl.getFile();
LOG.debug("Class file found at :" + clazzFile);
if (clazzFile.startsWith("/WEB-INF/classes"))
clazzFile = clazzFile.replaceFirst("/WEB-INF/classes", "");
else if (clazzFile.startsWith("/WEB-INF/lib"))
clazzFile = clazzFile.replaceFirst("/WEB-INF/lib", "");
String clazzName =
clazzFile.replaceAll("/", ".").replaceAll(".class", "").replaceFirst(".", "");
try {
clazz = bundle.loadClass(clazzName);
} catch (ClassNotFoundException e) {
LOG.debug("Class {} not found", clazzName);
continue;
}
if (clazz.isAnnotationPresent(WebServlet.class)) {
LOG.debug("found WebServlet annotation on class: " + clazz);
WebServletAnnotationScanner annonScanner =
new WebServletAnnotationScanner(bundle, clazz.getCanonicalName());
annonScanner.scan(webApp);
} else if (clazz.isAnnotationPresent(WebFilter.class)) {
LOG.debug("found WebFilter annotation on class: " + clazz);
WebFilterAnnotationScanner filterScanner =
new WebFilterAnnotationScanner(bundle, clazz.getCanonicalName());
filterScanner.scan(webApp);
} else if (clazz.isAnnotationPresent(WebListener.class)) {
LOG.debug("found WebListener annotation on class: " + clazz);
addWebListener(webApp, clazz.getSimpleName());
}
}
LOG.debug("class scanning done");
}
// special handling for finding JSF Context listeners wrapped in
// *.tld files
Enumeration tldEntries = bundle.getResources("*.tld");
// Enumeration tldEntries = bundle.findEntries("/", "*.tld",
// true);
while (tldEntries != null && tldEntries.hasMoreElements()) {
URL url = (URL) tldEntries.nextElement();
Element rootTld = getRootElement(url.openStream());
if (rootTld != null) {
parseListeners(rootTld, webApp);
}
}
} else {
LOG.warn("The parsed web.xml does not have a root element");
return null;
}
} catch (ParserConfigurationException ignore) {
LOG.error("Cannot parse web.xml", ignore);
} catch (IOException ignore) {
LOG.error("Cannot parse web.xml", ignore);
} catch (SAXException ignore) {
LOG.error("Cannot parse web.xml", ignore);
}
return webApp;
}
