-
-
Save paulovittor23/230e7c42d99a8333976d4022a8d33ff4 to your computer and use it in GitHub Desktop.
Find all annotated classes in a package using Spring
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
import java.lang.annotation.Annotation; | |
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.core.type.filter.AnnotationTypeFilter; | |
import org.springframework.web.context.support.StandardServletEnvironment; | |
public class ClassScanner { | |
private static final Logger logger = LoggerFactory.getLogger(ClassScanner.class); | |
public static Class<?>[] findAllAnnotatedClassesInPackage(String packageName, | |
Class<? extends Annotation> clazz) { | |
final List<Class<?>> result = new LinkedList<Class<?>>(); | |
final ClassPathScanningCandidateComponentProvider provider = | |
new ClassPathScanningCandidateComponentProvider(true, new StandardServletEnvironment()); | |
provider.addIncludeFilter(new AnnotationTypeFilter(clazz)); | |
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()]); | |
} | |
} |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Class<?>[] classes = ClassScanner | |
.findAllAnnotatedClassesInPackage("org.acme.model.entities", Entity.class); |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment