for (InterceptorBindingMetaData binding : defaultInterceptorBindings) {
if (binding.getInterceptorClasses() != null) {
for (final String clazz : binding.getInterceptorClasses()) {
//we only want default interceptors referenced in the interceptors section
if (interceptorClasses.contains(clazz)) {
defaultInterceptors.add(new InterceptorDescription(clazz));
} else {
log.warnf("Default interceptor class %s is not listed in the <interceptors> section of ejb-jar.xml and will not be applied", clazz);
}
}
}
}
//now we need to process the components, and add interceptor information
//we iterate over all components, as we need to process default interceptors
for (final ComponentDescription componentDescription : eeModuleDescription.getComponentDescriptions()) {
final Class<?> componentClass;
try {
componentClass = module.getClassLoader().loadClass(componentDescription.getComponentClassName());
} catch (ClassNotFoundException e) {
throw new DeploymentUnitProcessingException("Could not load component class " + componentDescription.getComponentClassName());
}
final List<InterceptorBindingMetaData> bindings = bindingsPerComponent.get(componentDescription.getComponentName());
final Map<Method, List<InterceptorBindingMetaData>> methodInterceptors = new HashMap<Method, List<InterceptorBindingMetaData>>();
final List<InterceptorBindingMetaData> classLevelBindings = new ArrayList<InterceptorBindingMetaData>();
//we only want to exclude default and class level interceptors if every binding
//has the exclude element.
Boolean classLevelExcludeDefaultInterceptors = null;
Map<Method, Boolean> methodLevelExcludeDefaultInterceptors = new HashMap<Method, Boolean>();
Map<Method, Boolean> methodLevelExcludeClassInterceptors = new HashMap<Method, Boolean>();
//if an absolute order has been defined at any level
//absolute ordering takes precedence
boolean classLevelAbsoluteOrder = false;
final Map<Method, Boolean> methodLevelAbsoluteOrder = new HashMap<Method, Boolean>();
if (bindings != null) {
for (final InterceptorBindingMetaData binding : bindings) {
if (binding.getMethod() == null) {
classLevelBindings.add(binding);
//if even one binding does not say exclude default then we do not exclude
if (binding.isExcludeDefaultInterceptors() && classLevelExcludeDefaultInterceptors == null) {
classLevelExcludeDefaultInterceptors = true;
} else if (!binding.isExcludeClassInterceptors()) {
classLevelExcludeDefaultInterceptors = false;
}
if (binding.isTotalOrdering()) {
if (classLevelAbsoluteOrder) {
throw new DeploymentUnitProcessingException("Two ejb-jar.xml bindings for " + componentClass + " specify an absolute order");
} else {
classLevelAbsoluteOrder = true;
}
}
} else {
//method level bindings
//first find the right method
final NamedMethodMetaData methodData = binding.getMethod();
final ClassReflectionIndex<?> classIndex = index.getClassIndex(componentClass);
Method resolvedMethod = null;
if (methodData.getMethodParams() == null) {
final Collection<Method> methods = classIndex.getAllMethods(methodData.getMethodName());
if (methods.isEmpty()) {
throw new DeploymentUnitProcessingException("Could not find method" + componentClass.getName() + "." + methodData.getMethodName() + " referenced in ejb-jar.xml");
} else if (methods.size() > 1) {
throw new DeploymentUnitProcessingException("More than one method " + methodData.getMethodName() + "found on class" + componentClass.getName() + " referenced in ejb-jar.xml. Specify the parameter types to resolve the ambiguity");
}
resolvedMethod = methods.iterator().next();
} else {
final Collection<Method> methods = classIndex.getAllMethods(methodData.getMethodName(), methodData.getMethodParams().size());
for (final Method method : methods) {
boolean match = true;
for (int i = 0; i < method.getParameterTypes().length; ++i) {
if (!method.getParameterTypes()[i].getName().equals(methodData.getMethodParams().get(i))) {
match = false;
break;
}
}
if (match) {
resolvedMethod = method;
break;
}
}
if (resolvedMethod == null) {
throw new DeploymentUnitProcessingException("Could not find method" + componentClass.getName() + "." + methodData.getMethodName() + "with parameter types" + methodData.getMethodParams() + " referenced in ejb-jar.xml");
}
}
List<InterceptorBindingMetaData> list = methodInterceptors.get(resolvedMethod);
if (list == null) {
methodInterceptors.put(resolvedMethod, list = new ArrayList<InterceptorBindingMetaData>());
}
list.add(binding);
if (binding.isExcludeDefaultInterceptors() && !methodLevelExcludeDefaultInterceptors.containsKey(resolvedMethod)) {
methodLevelExcludeDefaultInterceptors.put(resolvedMethod, true);
} else if (!binding.isExcludeDefaultInterceptors()) {
methodLevelExcludeDefaultInterceptors.put(resolvedMethod, false);
}
if (binding.isExcludeClassInterceptors() && !methodLevelExcludeClassInterceptors.containsKey(resolvedMethod)) {
methodLevelExcludeClassInterceptors.put(resolvedMethod, true);
} else if (!binding.isExcludeClassInterceptors()) {
methodLevelExcludeClassInterceptors.put(resolvedMethod, false);
}
if (binding.isTotalOrdering()) {
if (methodLevelAbsoluteOrder.containsKey(resolvedMethod)) {
throw new DeploymentUnitProcessingException("Two ejb-jar.xml bindings for " + resolvedMethod + " specify an absolute order");
} else {
methodLevelAbsoluteOrder.put(resolvedMethod, true);
}
}
}
}
}
//now we have all the bindings in a format we can use
//build the list of default interceptors
componentDescription.setDefaultInterceptors(defaultInterceptors);
boolean classLevelExclude = classLevelExcludeDefaultInterceptors == null ? false : classLevelExcludeDefaultInterceptors;
if(classLevelExclude) {
componentDescription.setExcludeDefaultInterceptors(true);
}
final List<InterceptorDescription> classLevelInterceptors = new ArrayList<InterceptorDescription>();
if (classLevelAbsoluteOrder) {
//we have an absolute ordering for the class level interceptors
for (final InterceptorBindingMetaData binding : classLevelBindings) {
if (binding.isTotalOrdering()) {
for (final String interceptor : binding.getInterceptorOrder()) {
classLevelInterceptors.add(new InterceptorDescription(interceptor));
}
}
}
//we have merged the default interceptors into the class interceptors
componentDescription.setExcludeDefaultInterceptors(true);
} else {
//the order we want is default interceptors (this will be empty if they are excluded)
//the annotation interceptors
//then dd interceptors
classLevelInterceptors.addAll(componentDescription.getClassInterceptors());
for (InterceptorBindingMetaData binding : classLevelBindings) {
if (binding.getInterceptorClasses() != null) {
for (final String interceptor : binding.getInterceptorClasses()) {
classLevelInterceptors.add(new InterceptorDescription(interceptor));
}
}
}
}
componentDescription.setClassInterceptors(classLevelInterceptors);
for (Map.Entry<Method, List<InterceptorBindingMetaData>> entry : methodInterceptors.entrySet()) {
final Method method = entry.getKey();
final List<InterceptorBindingMetaData> methodBindings = entry.getValue();
boolean totalOrder = methodLevelAbsoluteOrder.containsKey(method);
final MethodIdentifier methodIdentifier = MethodIdentifier.getIdentifierForMethod(method);
Boolean excludeDefaultInterceptors = methodLevelExcludeDefaultInterceptors.get(method);
excludeDefaultInterceptors = excludeDefaultInterceptors == null ? false : excludeDefaultInterceptors;
if (!excludeDefaultInterceptors) {
excludeDefaultInterceptors = componentDescription.isExcludeDefaultInterceptors(methodIdentifier);
}
Boolean excludeClassInterceptors = methodLevelExcludeClassInterceptors.get(method);
excludeClassInterceptors = excludeClassInterceptors == null ? false : excludeClassInterceptors;
if (!excludeClassInterceptors) {
excludeClassInterceptors = componentDescription.isExcludeClassInterceptors(methodIdentifier);
}
final List<InterceptorDescription> methodLevelInterceptors = new ArrayList<InterceptorDescription>();
if (totalOrder) {
//if there is a total order we just use it
for (final InterceptorBindingMetaData binding : methodBindings) {
if (binding.isTotalOrdering()) {
for (final String interceptor : binding.getInterceptorOrder()) {
methodLevelInterceptors.add(new InterceptorDescription(interceptor));
}
}
}
} else {
//add class level and default interceptors, if not excluded
//class level interceptors also includes default interceptors
if (!excludeDefaultInterceptors) {
methodLevelInterceptors.addAll(defaultInterceptors);
}
if (!excludeClassInterceptors) {
for (InterceptorDescription interceptor : classLevelInterceptors) {
methodLevelInterceptors.add(interceptor);
}
}
List<InterceptorDescription> annotationMethodLevel = componentDescription.getMethodInterceptors().get(methodIdentifier);
if (annotationMethodLevel != null) {
methodLevelInterceptors.addAll(annotationMethodLevel);
}
//now add all the interceptors from the bindings
for (InterceptorBindingMetaData binding : methodBindings) {
if (binding.getInterceptorClasses() != null) {
for (final String interceptor : binding.getInterceptorClasses()) {
methodLevelInterceptors.add(new InterceptorDescription(interceptor));
}
}
}
}