ml.alternet.discover.gen.Producer.template Maven / Gradle / Ivy

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package {producerPkg};

import java.lang.annotation.Annotation;
import java.util.ArrayList;
import java.util.List;

import javax.enterprise.inject.Any;
import javax.enterprise.inject.Instance;
import javax.enterprise.inject.spi.InjectionPoint;

import javax.inject.Named;
import javax.inject.Qualifier;

import ml.alternet.discover.DiscoveryService;
import ml.alternet.misc.OmgException;

@javax.annotation.Generated(value="ml.alternet.discover.gen.LookupKeyProducerGenerator")
public class {producerClassName} {

    @javax.enterprise.inject.Produces
    @ml.alternet.discover.Injection.LookupKey(variant="{variant}")
    public {className} create{shortClassName}(@Any Instance<{className}> instance, InjectionPoint ip) {
        try {
            Class<{className}> clazz = DiscoveryService.lookup("{lookupKey}");
            List annotations = new ArrayList();
            for (Annotation ann : clazz.getAnnotations()) {
                if (ann.annotationType().isAnnotationPresent(Qualifier.class) ||
                    ann.annotationType().isAnnotationPresent(Named.class)) {
                    annotations.add(ann);
                }
            }
            return instance.select(clazz, annotations.toArray(new Annotation[annotations.size()])).get();
        } catch (ClassNotFoundException e) {
            throw new OmgException(e);
        }
    }

}