/**
* Creates an instance of {@code AnnotationValues} for the provided AST Node.
*
* @param type An annotation class type, such as {@code lombok.Getter.class}.
* @param node A Lombok AST node representing an annotation in source code.
*/
public static <A extends Annotation> AnnotationValues<A> createAnnotation(
Class<A> type, final JavacNode node) {
Map<String, AnnotationValue> values = new HashMap<String, AnnotationValue>();
JCAnnotation anno = (JCAnnotation) node.get();
List<JCExpression> arguments = anno.getArguments();
for (Method m : type.getDeclaredMethods()) {
if (!Modifier.isPublic(m.getModifiers())) continue;
String name = m.getName();
java.util.List<String> raws = new ArrayList<String>();
java.util.List<Object> guesses = new ArrayList<Object>();
java.util.List<Object> expressions = new ArrayList<Object>();
final java.util.List<DiagnosticPosition> positions = new ArrayList<DiagnosticPosition>();
boolean isExplicit = false;
for (JCExpression arg : arguments) {
String mName;
JCExpression rhs;
if (arg instanceof JCAssign) {
JCAssign assign = (JCAssign) arg;
mName = assign.lhs.toString();
rhs = assign.rhs;
} else {
rhs = arg;
mName = "value";
}
if (!mName.equals(name)) continue;
isExplicit = true;
if (rhs instanceof JCNewArray) {
List<JCExpression> elems = ((JCNewArray) rhs).elems;
for (JCExpression inner : elems) {
raws.add(inner.toString());
expressions.add(inner);
guesses.add(calculateGuess(inner));
positions.add(inner.pos());
}
} else {
raws.add(rhs.toString());
expressions.add(rhs);
guesses.add(calculateGuess(rhs));
positions.add(rhs.pos());
}
}
values.put(
name,
new AnnotationValue(node, raws, expressions, guesses, isExplicit) {
@Override
public void setError(String message, int valueIdx) {
if (valueIdx < 0) node.addError(message);
else node.addError(message, positions.get(valueIdx));
}
@Override
public void setWarning(String message, int valueIdx) {
if (valueIdx < 0) node.addWarning(message);
else node.addWarning(message, positions.get(valueIdx));
}
});
}
return new AnnotationValues<A>(type, values, node);
}
