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ConfigMappingCreator.java
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ConfigMappingCreator.java
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package io.quarkus.arc.runtime;
import java.lang.annotation.Annotation;
import java.util.Map;
import java.util.Optional;
import javax.enterprise.context.spi.CreationalContext;
import javax.enterprise.inject.spi.Annotated;
import javax.enterprise.inject.spi.InjectionPoint;
import org.eclipse.microprofile.config.ConfigProvider;
import org.eclipse.microprofile.config.inject.ConfigProperties;
import io.quarkus.arc.BeanCreator;
import io.quarkus.arc.impl.InjectionPointProvider;
import io.smallrye.config.ConfigMapping;
import io.smallrye.config.SmallRyeConfig;
public class ConfigMappingCreator implements BeanCreator<Object> {
@Override
public Object create(CreationalContext<Object> creationalContext, Map<String, Object> params) {
InjectionPoint injectionPoint = InjectionPointProvider.get();
if (injectionPoint == null) {
throw new IllegalStateException("No current injection point found");
}
Class<?> interfaceType = (Class<?>) params.get("type");
String prefix = (String) params.get("prefix");
SmallRyeConfig config = (SmallRyeConfig) ConfigProvider.getConfig();
return config.getConfigMapping(interfaceType, getPrefixFromInjectionPoint(injectionPoint).orElse(prefix));
}
private static Optional<String> getPrefixFromInjectionPoint(final InjectionPoint injectionPoint) {
Annotated annotated = injectionPoint.getAnnotated();
if (annotated != null) {
ConfigMapping configMapping = annotated.getAnnotation(ConfigMapping.class);
if (configMapping != null) {
if (!configMapping.prefix().isEmpty()) {
return Optional.of(configMapping.prefix());
}
}
ConfigProperties configProperties = annotated.getAnnotation(ConfigProperties.class);
if (configProperties != null) {
if (!ConfigProperties.UNCONFIGURED_PREFIX.equals(configProperties.prefix())) {
return Optional.of(configProperties.prefix());
}
}
}
for (Annotation qualifier : injectionPoint.getQualifiers()) {
if (qualifier instanceof ConfigProperties) {
ConfigProperties configPropertiesQualifier = (ConfigProperties) qualifier;
if (!ConfigProperties.UNCONFIGURED_PREFIX.equals(configPropertiesQualifier.prefix())) {
return Optional.of(configPropertiesQualifier.prefix());
}
}
}
return Optional.empty();
}
}