Get annotation value : Annotation « Reflection « Java

1. Java
2. Reflection
3. Annotation

Get annotation value

    

import java.lang.annotation.Annotation;
import java.lang.reflect.Method;

public class Util{
  @SuppressWarnings("unchecked")
  public static<T> T getAnnotationValue(Class<?> clazz,Class<? extends Annotation> annotationClass,String element) throws Exception {
    Annotation annotation = clazz.getAnnotation(annotationClass);
    Method method = annotationClass.getMethod(element,(Class[])null);
    if (annotation == null)
      return((T)method.getDefaultValue());
    return((T)method.invoke(annotation,(Object[])null));
  }
}

   
    
    
    
  

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