Field with annotations

       
import java.lang.annotation.Annotation;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
import java.lang.reflect.Field;

public class DataBeanTest {

  public static void main(String[] args) {
    Class d = DataBean.class;

    Field fs[] = d.getFields();
    for (Field f : fs) {
      System.out.println(f);

      Annotation a = f.getAnnotation(DataField.class);

      if (a != null) {
        System.out.println(f.getName());
      }
    }
  }
}

class DataBean {
  @DataField
  public String name;

  @DataField
  public String data;

  public String description;
}

@Target(ElementType.FIELD)
@Retention(RetentionPolicy.RUNTIME)
@interface DataField {
}

Related examples in the same category

1.	Field Reflection
2.	How to set public field objects
3.	Class Reflection: field information
4.	Object Reflection: get field value
5.	Object Reflection: set value
6.	Get field of a class object and set or get its value
7.	All Fields Snippet
8.	Field modifiers: isSynthetic, isEnumConstant
9.	Set private field value
10.	Get fields of a class object
11.	Get all object accessible public fields
12.	Getting the Field Objects of a Class Object: By obtaining a list of all declared fields.
13.	Getting the Field Objects of a Class Object: By obtaining a list of all public fields, both declared and inherited.
14.	Getting the Field Objects of a Class Object: By obtaining a particular Field object.
15.	Get all declared fields from a class
16.	Retrieving a Predefined Color by Name
17.	Get a variable value from the variable name
18.	Fetches all fields of all access types from the supplied class and super classes
19.	Checks whether the specified class contains a field matching the specified name.
20.	whether given field is a "public static final" constant
21.	Process bean properties getter by applying the JavaBean naming conventions.
22.	Fetches the property descriptor for the named property of the supplied class
23.	Find Field
24.	Return a list of all fields (whatever access status, and on whatever superclass they were defined) that can be found on this class.
25.	Get all fields of a class.
26.	Find field 2
27.	Get class field/property
28.	Accessible Field Iterator
29.	Adds all Fields (from Class.getFields) to the list
30.	Retrieve a value from a property
31.	Set the value of the field of the object to the given value.
32.	Fast Property accessor for a single class.

Field with annotations : Field « Reflection « Java

Related examples in the same category