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support runtime-visible annotations and java.lang.reflect.Proxy

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This commit is contained in:
Joel Dice
2009-09-18 18:01:54 -06:00
parent a2a33c259e
commit 7aa906d97b
23 changed files with 1278 additions and 169 deletions
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50
classpath/java/lang/reflect/Field.java
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@ -10,6 +10,10 @@
package java.lang.reflect;
import avian.AnnotationInvocationHandler;
import java.lang.annotation.Annotation;
public class Field<T> extends AccessibleObject {
private static final int VoidField = 0;
private static final int ByteField = 1;
@ -27,7 +31,8 @@ public class Field<T> extends AccessibleObject {
private short flags;
private short offset;
private byte[] name;
private byte[] spec;
public byte[] spec;
public Addendum addendum;
private Class<T> class_;
private Field() { }
@ -195,6 +200,45 @@ public class Field<T> extends AccessibleObject {
}
}
private Annotation getAnnotation(Object[] a) {
if (a[0] == null) {
a[0] = Proxy.newProxyInstance
(class_.getClassLoader(), new Class[] { (Class) a[1] },
new AnnotationInvocationHandler(a));
}
return (Annotation) a[0];
}
public <T extends Annotation> T getAnnotation(Class<T> class_) {
if (addendum != null && addendum.annotationTable != null) {
Object[] table = addendum.annotationTable;
for (int i = 0; i < table.length; ++i) {
Object[] a = (Object[]) table[i];
if (a[1] == class_) {
return (T) getAnnotation(a);
}
}
}
return null;
}
public Annotation[] getAnnotations() {
if (addendum != null && addendum.annotationTable != null) {
Object[] table = addendum.annotationTable;
Annotation[] array = new Annotation[table.length];
for (int i = 0; i < table.length; ++i) {
array[i] = getAnnotation((Object[]) table[i]);
}
return array;
} else {
return new Annotation[0];
}
}
public Annotation[] getDeclaredAnnotations() {
return getAnnotations();
}
public boolean isEnumConstant() {
throw new UnsupportedOperationException();
}
@ -210,4 +254,8 @@ public class Field<T> extends AccessibleObject {
private static native void setObject
(Object instance, int offset, Object value);
public static class Addendum {
public Object[] annotationTable;
}
}