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Find all annotated classes in a package using Spring
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import java.util.LinkedList; | |
import java.util.List; | |
import org.slf4j.Logger; | |
import org.slf4j.LoggerFactory; | |
import org.springframework.beans.factory.config.BeanDefinition; | |
import org.springframework.context.annotation.ClassPathScanningCandidateComponentProvider; | |
import org.springframework.context.annotation.Configuration; | |
import org.springframework.core.type.filter.AnnotationTypeFilter; | |
import org.springframework.web.context.support.StandardServletEnvironment; | |
public class Detector { | |
private static final Logger LOGGER = LoggerFactory.getLogger(Detector.class); | |
public Class<?>[] findAllConfigurationClassesInPackage(String packageName) { | |
final List<Class<?>> result = new LinkedList<Class<?>>(); | |
final ClassPathScanningCandidateComponentProvider provider = new ClassPathScanningCandidateComponentProvider( | |
true, new StandardServletEnvironment()); | |
provider.addIncludeFilter(new AnnotationTypeFilter(Configuration.class)); | |
for (BeanDefinition beanDefinition : provider | |
.findCandidateComponents(packageName)) { | |
try { | |
result.add(Class.forName(beanDefinition.getBeanClassName())); | |
} catch (ClassNotFoundException e) { | |
LOGGER.warn( | |
"Could not resolve class object for bean definition", e); | |
} | |
} | |
return result.toArray(new Class<?>[result.size()]); | |
} | |
} |
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