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package fish.payara.microprofile.telemetry.tracing.jaxrs;
import fish.payara.microprofile.telemetry.tracing.WithSpanMethodInterceptor;
import jakarta.enterprise.inject.spi.BeanManager;
import jakarta.interceptor.InvocationContext;
import jakarta.ws.rs.container.ResourceInfo;
import org.eclipse.microprofile.config.Config;
import org.eclipse.microprofile.config.ConfigProvider;
import java.lang.annotation.Annotation;
import java.lang.reflect.Method;
import java.util.Optional;
import java.util.logging.Level;
import java.util.logging.Logger;
import static java.util.logging.Level.FINE;
import static java.util.logging.Level.FINER;
import static java.util.logging.Level.FINEST;
/**
* Utilities class for various CDI-based operations used by the OpenTracing Service classes.
*
* @author Andrew Pielage
* @author Arjan Tijms
*/
final class OpenTracingCdiUtils {
private static final Logger LOG = Logger.getLogger(OpenTracingCdiUtils.class.getName());
/**
* Gets the annotation from the method that triggered the interceptor.
*
* @param The annotation type to return
* @param beanManager The invoking interceptor's BeanManager
* @param annotationClass The class of the annotation to get
* @param resourceInfo The targeted jaxrs resource
* @return The annotation that triggered the interceptor.
*/
public static A getAnnotation(BeanManager beanManager, Class annotationClass, ResourceInfo resourceInfo) {
return WithSpanMethodInterceptor.getAnnotation(
beanManager, annotationClass,
resourceInfo.getResourceClass(),
resourceInfo.getResourceMethod());
}
/**
* Gets overriding config parameter values if they're present from an invocation context.
*
* @param The annotation type
* @param annotationClass The annotation class
* @param parameterName The name of the parameter to get the override value of
* @param invocationContext The context of the invoking request
* @param parameterType The type of the parameter to get the override value of
* @return An Optional containing the override value from the config if there is one
*/
public static Optional getConfigOverrideValue(Class annotationClass, String parameterName, InvocationContext invocationContext, Class parameterType) {
return getConfigOverrideValue(annotationClass, parameterName, invocationContext.getMethod(), parameterType);
}
/**
* Gets overriding config parameter values if they're present from an invocation context.
*
* @param The annotation type
* @param annotationClass The annotation class
* @param parameterName The name of the parameter to get the override value of
* @param method The method to be invoked
* @param parameterType The type of the parameter to get the override value of
* @return An Optional containing the override value from the config if there is one
*/
public static Optional getConfigOverrideValue(Class annotationClass, String parameterName, Method method, Class parameterType) {
final Config config = getConfig();
if (config == null) {
LOG.log(FINE, "No config to get override parameters from.");
return Optional.empty();
}
// Get the annotation, method, and class names
final String annotationName = annotationClass.getSimpleName();
final String annotatedMethodName = method.getName();
final String annotatedClassCanonicalName = method.getDeclaringClass().getCanonicalName();
// Check if there's a config override for the method
LOG.log(FINER, "Getting config override for annotated method...");
final Optional methodValue = config.getOptionalValue( //
annotatedClassCanonicalName + "/" + annotatedMethodName + "/" + annotationName + "/" + parameterName, //
parameterType);
if (methodValue.isPresent()) {
return methodValue;
}
LOG.log(FINER, "No config override for annotated method, checking if the method is annotated directly...");
if (method.getAnnotation(annotationClass) != null) {
LOG.log(FINER, "Using method annotation.");
return methodValue; // it is empty here
}
// If there wasn't a config override for the method, check if there's one for the class
LOG.log(FINER, "No config override or annotated method, getting config override for the annotated class...");
final Optional classValue = config.getOptionalValue( //
annotatedClassCanonicalName + "/" + annotationName + "/" + parameterName, parameterType);
if (classValue.isPresent()) {
return classValue;
}
// If there wasn't a config override for the class either, check if there's a global one
LOG.log(FINER, "No config override for the annotated class, getting application wide config override...");
final Optional appValue = config.getOptionalValue(annotationName + "/" + parameterName, parameterType);
if (!appValue.isPresent()) {
LOG.log(FINER, "No config overrides");
}
return appValue;
}
/**
* Gets overriding config parameter values if they're present from an invocation context.
*
* @param The annotation type
* @param annotationClass The annotation class
* @param parameterName The name of the parameter to get the override value of
* @param resourceInfo The targeted jaxrs resource
* @param parameterType The type of the parameter to get the override value of
* @return An Optional containing the override value from the config if there is one
*/
public static Optional getConfigOverrideValue(Class annotationClass,
String parameterName, ResourceInfo resourceInfo, Class parameterType) {
final Config config = getConfig();
if (config == null) {
LOG.log(FINE, "No config to get override parameters from.");
return Optional.empty();
}
LOG.log(FINER, "Getting config override for annotated method...");
final String annotationName = annotationClass.getSimpleName();
final String annotatedMethodName = resourceInfo.getResourceMethod().getName();
final String annotatedClassCanonicalName = resourceInfo.getResourceClass().getCanonicalName();
final Optional methodValue = config.getOptionalValue( //
annotatedClassCanonicalName + "/" + annotatedMethodName + "/" + annotationName + "/" + parameterName,
parameterType);
if (methodValue.isPresent()) {
return methodValue;
}
LOG.log(FINEST, "No config override for annotated method, checking if the method is annotated directly...");
if (resourceInfo.getResourceMethod().getAnnotation(annotationClass) != null) {
LOG.log(FINER, "Using method annotation.");
return methodValue; // it is empty here
}
LOG.log(FINER, "No config override or annotated method, getting config override for the annotated class...");
final Optional classValue = config.getOptionalValue( //
annotatedClassCanonicalName + "/" + annotationName + "/" + parameterName, parameterType);
if (classValue.isPresent()) {
return classValue;
}
LOG.log(FINER, "No config override for the annotated class, getting application wide config override...");
final Optional appValue = config.getOptionalValue(annotationName + "/" + parameterName, parameterType);
if (!appValue.isPresent()) {
LOG.log(FINER, "No config overrides");
}
return appValue;
}
private static Config getConfig() {
try {
return ConfigProvider.getConfig();
} catch (IllegalArgumentException ex) {
LOG.log(Level.INFO, "No config could be found", ex);
}
return null;
}
}