| 1 | package net.sourceforge.retroweaver.runtime.java.lang.reflect; |
| 2 | |
| 3 | import static org.objectweb.asm.Opcodes.ACC_SYNTHETIC; |
| 4 | |
| 5 | import java.lang.reflect.Field; |
| 6 | |
| 7 | import net.sourceforge.retroweaver.runtime.java.lang.annotation.AIB; |
| 8 | import net.sourceforge.retroweaver.runtime.java.lang.annotation.Annotation; |
| 9 | |
| 10 | /** |
| 11 | * A mirror of java.lang.reflect.Field. |
| 12 | * |
| 13 | * @author Toby Reyelts Date: Feb 21, 2005 Time: 2:29:41 AM |
| 14 | */ |
| 15 | public class Field_ { |
| 16 | |
| 17 | private Field_() { |
| 18 | // private constructor |
| 19 | } |
| 20 | |
| 21 | // Returns this element's annotation for the specified type if such an |
| 22 | // annotation is present, else null. |
| 23 | public static <T extends Annotation> T getAnnotation(final Field f, final Class<T> annotationType) { |
| 24 | final Class c = f.getDeclaringClass(); |
| 25 | return AIB.getAib(c).getFieldAnnotation(f.getName(), annotationType); |
| 26 | } |
| 27 | |
| 28 | // Returns all annotations present on this element. |
| 29 | // |
| 30 | public static Annotation[] getAnnotations(final Field f) { |
| 31 | return getDeclaredAnnotations(f); |
| 32 | } |
| 33 | |
| 34 | // Returns all annotations that are directly present on this element. |
| 35 | public static Annotation[] getDeclaredAnnotations(final Field field) { |
| 36 | final Class c = field.getDeclaringClass(); |
| 37 | return AIB.getAib(c).getFieldAnnotations(field.getName()); |
| 38 | } |
| 39 | |
| 40 | // Returns true if an annotation for the specified type is present on this |
| 41 | // element, else false. |
| 42 | public static boolean isAnnotationPresent(final Field field, final Class<? extends Annotation> annotationType) { |
| 43 | return getAnnotation(field, annotationType) != null; |
| 44 | } |
| 45 | |
| 46 | // Returns true if this field is a synthetic field; returns false otherwise. |
| 47 | public static boolean isSynthetic(final Field f) { |
| 48 | final Class c = f.getDeclaringClass(); |
| 49 | return ReflectionDescriptor.getReflectionDescriptor(c).testFieldAccess(f, ACC_SYNTHETIC); |
| 50 | } |
| 51 | |
| 52 | } |