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This is the master POM file for Oracle's Implementation of the JSF 2.2 Specification.
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package com.sun.faces.spi;
import com.sun.faces.config.DelegatingAnnotationProvider;
import javax.servlet.ServletContext;
import javax.faces.FacesException;
import java.lang.reflect.Constructor;
/**
*
*/
public class AnnotationProviderFactory {
private static final Class DEFAULT_ANNOTATION_PROVIDER =
DelegatingAnnotationProvider.class;
private static final String ANNOTATION_PROVIDER_SERVICE_KEY =
"com.sun.faces.spi.annotationprovider";
// ---------------------------------------------------------- Public Methods
public static AnnotationProvider createAnnotationProvider(ServletContext sc) {
AnnotationProvider annotationProvider = createDefaultProvider(sc);
String[] services = ServiceFactoryUtils.getServiceEntries(ANNOTATION_PROVIDER_SERVICE_KEY);
if (services.length > 0) {
// only use the first entry...
Object provider = ServiceFactoryUtils.getProviderFromEntry(services[0],
new Class[] { ServletContext.class, AnnotationProvider.class }, new Object[] { sc , annotationProvider });
if (provider == null) {
provider = ServiceFactoryUtils.getProviderFromEntry(services[0], new Class[] { ServletContext.class }, new Object[] { sc });
}
if (provider != null) {
if (!(provider instanceof AnnotationProvider)) {
throw new FacesException("Class " + provider.getClass().getName() + " is not an instance of com.sun.faces.spi.AnnotationProvider");
}
annotationProvider = (AnnotationProvider)provider;
}
}
return annotationProvider;
}
// --------------------------------------------------------- Private Methods
private static AnnotationProvider createDefaultProvider(ServletContext sc) {
AnnotationProvider result = null;
Constructor c;
try {
c = DEFAULT_ANNOTATION_PROVIDER.getDeclaredConstructor(new Class[] { ServletContext.class });
result = (AnnotationProvider) c.newInstance(sc);
} catch (Exception e2) {
throw new FacesException(e2);
}
return result;
}
}