private static List<InterceptorMethodInvocation> buildInterceptorMethodInvocations(
Object instance,
Method method,
Object[] args,
InterceptionType interceptionType,
InterceptionContext ctx) {
List<? extends InterceptorClassMetadata<?>> interceptorList =
ctx.getInterceptionModel().getInterceptors(interceptionType, method);
List<InterceptorMethodInvocation> interceptorInvocations =
new ArrayList<InterceptorMethodInvocation>(interceptorList.size());
for (InterceptorClassMetadata<?> interceptorMetadata : interceptorList) {
interceptorInvocations.addAll(
interceptorMetadata
.getInterceptorInvocation(
ctx.getInterceptorInstance(interceptorMetadata), interceptionType)
.getInterceptorMethodInvocations());
}
TargetClassInterceptorMetadata targetClassInterceptorMetadata =
ctx.getInterceptionModel().getTargetClassInterceptorMetadata();
if (targetClassInterceptorMetadata != null
&& targetClassInterceptorMetadata.isEligible(interceptionType)) {
interceptorInvocations.addAll(
targetClassInterceptorMetadata
.getInterceptorInvocation(instance, interceptionType)
.getInterceptorMethodInvocations());
}
return interceptorInvocations;
}
private static List<InterceptorMethodInvocation> buildInterceptorMethodInvocations(
List<InterceptorClassMetadata<?>> interceptorMetadata,
InterceptionContext ctx,
InterceptionType interceptionType) {
List<InterceptorMethodInvocation> interceptorInvocations =
new ArrayList<InterceptorMethodInvocation>(interceptorMetadata.size());
for (InterceptorClassMetadata<?> metadata : interceptorMetadata) {
Object interceptorInstance = ctx.getInterceptorInstance(metadata);
InterceptorInvocation invocation =
metadata.getInterceptorInvocation(interceptorInstance, interceptionType);
interceptorInvocations.addAll(invocation.getInterceptorMethodInvocations());
}
return interceptorInvocations;
}
@Override
public Object intercept(InterceptionType type, T instance, final InvocationContext ctx) {
final org.jboss.weld.interceptor.spi.model.InterceptionType interceptionType =
org.jboss.weld.interceptor.spi.model.InterceptionType.valueOf(type.name());
final List<InterceptorMethodInvocation> methodInvocations =
interceptorMetadata
.getInterceptorInvocation(instance, interceptionType)
.getInterceptorMethodInvocations();
Set<Annotation> interceptorBindings = null;
if (ctx instanceof ExperimentalInvocationContext) {
interceptorBindings =
Reflections.<ExperimentalInvocationContext>cast(ctx).getInterceptorBindings();
}
try {
/*
* Calling Interceptor.intercept() may result in multiple interceptor method invocations (provided the interceptor class
* interceptor methods on superclasses). This requires cooperation with InvocationContext.
*
* We use a wrapper InvocationContext for the purpose of executing the chain of
* interceptor methods of this interceptor.
*/
return new WeldInvocationContext(ctx, methodInvocations, interceptorBindings, null).proceed();
} catch (RuntimeException e) {
throw e;
} catch (Exception e) {
throw new WeldException(e);
}
}
private void checkInterceptorBindings() {
if (interceptorMetadata.isEligible(
org.jboss.weld.interceptor.spi.model.InterceptionType.POST_CONSTRUCT)
|| interceptorMetadata.isEligible(
org.jboss.weld.interceptor.spi.model.InterceptionType.PRE_DESTROY)
|| interceptorMetadata.isEligible(
org.jboss.weld.interceptor.spi.model.InterceptionType.POST_ACTIVATE)
|| interceptorMetadata.isEligible(
org.jboss.weld.interceptor.spi.model.InterceptionType.PRE_PASSIVATE)) {
for (Annotation interceptorBindingType : interceptorBindingTypes) {
Target target = interceptorBindingType.annotationType().getAnnotation(Target.class);
if (target != null
&& Arrays2.unorderedEquals(target.value(), ElementType.TYPE, ElementType.METHOD)) {
throw ReflectionLogger.LOG.methodElementTypeNotAllowed(
this, interceptorBindingType.annotationType());
}
}
}
}
@Override
public boolean intercepts(InterceptionType type) {
return interceptorMetadata.isEligible(
org.jboss.weld.interceptor.spi.model.InterceptionType.valueOf(type.name()));
}