Package com.google.gson

Class FieldAttributes

java.lang.Object
com.google.gson.FieldAttributes
public final class FieldAttributes extends Object
A data object that stores attributes of a field.

This class is immutable; therefore, it can be safely shared across threads.

Since:
1.4

  • Constructor Details

    • FieldAttributes

      public FieldAttributes(Field f)
      Constructs a Field Attributes object from the f.
      Parameters:
      f - the field to pull attributes from

  • Method Details

    • getDeclaringClass

      public Class<?> getDeclaringClass()
      Returns:
      the declaring class that contains this field

    • getName

      public String getName()
      Returns:
      the name of the field

    • getDeclaredType

      public Type getDeclaredType()

      For example, assume the following class definition: 

       public class Foo {
   private String bar;
   private List<String> red;
 }

 Type listParameterizedType = new TypeToken<List<String>>() {}.getType();

      This method would return String.class for the bar field and listParameterizedType for the red field.

      Returns:
      the specific type declared for this field

    • getDeclaredClass

      public Class<?> getDeclaredClass()
      Returns the Class object that was declared for this field.

      For example, assume the following class definition: 

       public class Foo {
   private String bar;
   private List<String> red;
 }

      This method would return String.class for the bar field and List.class for the red field.

      Returns:
      the specific class object that was declared for the field

    • getAnnotation

      public <T extends Annotation> T getAnnotation(Class<T> annotation)
      Return the T annotation object from this field if it exist; otherwise returns null.
      Parameters:
      annotation - the class of the annotation that will be retrieved
      Returns:
      the annotation instance if it is bound to the field; otherwise null

    • getAnnotations

      public Collection<Annotation> getAnnotations()
      Return the annotations that are present on this field.
      Returns:
      an array of all the annotations set on the field
      Since:
      1.4

    • hasModifier

      public boolean hasModifier(int modifier)
      Returns true if the field is defined with the modifier.

      This method is meant to be called as: 

       boolean hasPublicModifier = fieldAttribute.hasModifier(java.lang.reflect.Modifier.PUBLIC);
      See Also: