// This method is part of the javax.lang.model API, do not use this in javac code.
public <A extends Annotation> A getAnnotation(Class<A> annoType) {
if (!annoType.isAnnotation())
throw new IllegalArgumentException("Not an annotation type: " + annoType);
Attribute.Compound c = getAttribute(annoType);
return c == null ? null : AnnotationProxyMaker.generateAnnotation(c, annoType);
}
// This method is part of the javax.lang.model API, do not use this in javac code.
public <A extends Annotation> A[] getAnnotationsByType(Class<A> annoType) {
if (!annoType.isAnnotation())
throw new IllegalArgumentException("Not an annotation type: " + annoType);
// If annoType does not declare a container this is equivalent to wrapping
// getAnnotation(...) in an array.
Class<? extends Annotation> containerType = getContainer(annoType);
if (containerType == null) {
A res = getAnnotation(annoType);
int size = res == null ? 0 : 1;
@SuppressWarnings("unchecked") // annoType is the Class for A
A[] arr = (A[]) java.lang.reflect.Array.newInstance(annoType, size);
if (res != null) arr[0] = res;
return arr;
}
// So we have a containing type
String annoTypeName = annoType.getName();
String containerTypeName = containerType.getName();
int directIndex = -1, containerIndex = -1;
Attribute.Compound direct = null, container = null;
// Find directly (explicit or implicit) present annotations
int index = -1;
for (Attribute.Compound attribute : getAnnotationMirrors()) {
index++;
if (attribute.type.tsym.flatName().contentEquals(annoTypeName)) {
directIndex = index;
direct = attribute;
} else if (containerTypeName != null
&& attribute.type.tsym.flatName().contentEquals(containerTypeName)) {
containerIndex = index;
container = attribute;
}
}
// Deal with inherited annotations
if (direct == null && container == null && annoType.isAnnotationPresent(Inherited.class))
return getInheritedAnnotations(annoType);
Attribute.Compound[] contained = unpackContained(container);
// In case of an empty legacy container we might need to look for
// inherited annos as well
if (direct == null && contained.length == 0 && annoType.isAnnotationPresent(Inherited.class))
return getInheritedAnnotations(annoType);
int size = (direct == null ? 0 : 1) + contained.length;
@SuppressWarnings("unchecked") // annoType is the Class for A
A[] arr = (A[]) java.lang.reflect.Array.newInstance(annoType, size);
// if direct && container, which is first?
int insert = -1;
int length = arr.length;
if (directIndex >= 0 && containerIndex >= 0) {
if (directIndex < containerIndex) {
arr[0] = AnnotationProxyMaker.generateAnnotation(direct, annoType);
insert = 1;
} else {
arr[arr.length - 1] = AnnotationProxyMaker.generateAnnotation(direct, annoType);
insert = 0;
length--;
}
} else if (directIndex >= 0) {
arr[0] = AnnotationProxyMaker.generateAnnotation(direct, annoType);
return arr;
} else {
// Only container
insert = 0;
}
for (int i = 0; i + insert < length; i++)
arr[insert + i] = AnnotationProxyMaker.generateAnnotation(contained[i], annoType);
return arr;
}
