private void parseExtends(Clazz clazz) {
TypeRef[] inherits = clazz.getInterfaces();
if (inherits != null) {
if (analyzed == null) {
analyzed = new HashSet<TypeRef>();
}
for (TypeRef typeRef : inherits) {
if (!typeRef.isJava() && analyzed.add(typeRef)) {
try {
Clazz inherit = analyzer.findClass(typeRef);
if (inherit != null) {
inherit.parseClassFileWithCollector(this);
parseExtends(inherit);
} else {
analyzer.error(
"Could not obtain super class %s of class %s",
typeRef.getFQN(), clazz.getClassName().getFQN());
}
} catch (Exception e) {
analyzer.error(
"Could not obtain super class %s of class %s; exception %s",
typeRef.getFQN(), clazz.getClassName().getFQN(), e.getMessage());
}
}
}
}
}
private boolean acceptableType(String rtype) {
TypeRef ref = analyzer.getTypeRefFromFQN(rtype);
try {
Clazz returnType = analyzer.findClass(ref);
if (returnType.isEnum()) {
return true;
}
// TODO check this is true for interfaces and annotations
if (!returnType.isAbstract()
|| (returnType.isInterface() && options.contains(Options.nested))) {
return true;
}
if (!returnType.isInterface()) {
analyzer.error("Abstract classes not allowed as interface method return values: %s", rtype);
} else {
analyzer.error("Nested metatype only allowed with option: nested type %s", rtype);
}
return false;
} catch (Exception e) {
analyzer.error(
"could not examine class for return type %s, exception message: %s",
rtype, e.getMessage());
return false;
}
}
private boolean identifiableCollection(String type, boolean intface, boolean topLevel) {
try {
Clazz clazz = analyzer.findClass(analyzer.getTypeRefFromFQN(type));
if (clazz != null
&& (!topLevel || !clazz.isAbstract())
&& ((intface && clazz.isInterface()) ^ clazz.hasPublicNoArgsConstructor())) {
TypeRef[] intfs = clazz.getInterfaces();
if (intfs != null) {
for (TypeRef intf : intfs) {
if (COLLECTION.matcher(intf.getFQN()).matches()
|| identifiableCollection(intf.getFQN(), true, false)) {
return true;
}
}
}
TypeRef ext = clazz.getSuper();
return ext != null && identifiableCollection(ext.getFQN(), false, false);
}
} catch (Exception e) {
return false;
}
return false;
}
private void doMethods() throws Exception {
for (Map.Entry<MethodDef, ADDef> entry : methods.entrySet()) {
MethodDef defined = entry.getKey();
if (defined.isConstructor()) {
analyzer.error(
"Constructor %s for %s.%s found; only interfaces and annotations allowed for OCDs",
defined.getName(), clazz.getClassName().getFQN(), defined.getName());
}
if (defined.getPrototype().length > 0) {
analyzer.error(
"Element %s for %s.%s has parameters; only no-parameter elements in an OCD interface allowed",
defined.getName(), clazz.getClassName().getFQN(), defined.getName());
continue;
}
ADDef ad = entry.getValue();
ocd.attributes.add(ad);
ad.id = fixup(defined.getName());
ad.name = space(defined.getName());
String rtype = defined.getGenericReturnType();
if (rtype.endsWith("[]")) {
ad.cardinality = Integer.MAX_VALUE;
rtype = rtype.substring(0, rtype.length() - 2);
}
Matcher m = GENERIC.matcher(rtype);
if (m.matches()) {
boolean knownCollection = m.group(2) != null;
boolean collection = knownCollection || identifiableCollection(m.group(3), false, true);
if (collection) {
if (ad.cardinality != 0)
analyzer.error(
"AD for %s.%s uses an array of collections in return type (%s), Metatype allows either Vector or array",
clazz.getClassName().getFQN(), defined.getName(), defined.getType().getFQN());
rtype = Clazz.objectDescriptorToFQN(m.group(4));
ad.cardinality = Integer.MIN_VALUE;
}
}
if (rtype.indexOf('<') > 0) {
rtype = rtype.substring(0, rtype.indexOf('<'));
}
ad.type = getType(rtype);
ad.required = true;
TypeRef typeRef = analyzer.getTypeRefFromFQN(rtype);
try {
Clazz c = analyzer.findClass(typeRef);
if (c != null && c.isEnum()) {
parseOptionValues(c, ad.options);
}
} catch (Exception e) {
analyzer.error(
"AD for %s.%s Can not parse option values from type (%s), %s",
clazz.getClassName().getFQN(),
defined.getName(),
defined.getType().getFQN(),
e.getMessage());
}
if (ad.ad != null) {
doAD(ad);
}
if (ad.defaults == null && clazz.isAnnotation() && defined.getConstant() != null) {
// defaults from annotation default
Object value = defined.getConstant();
boolean isClass = false;
TypeRef type = defined.getType().getClassRef();
if (!type.isPrimitive()) {
if (Class.class.getName().equals(type.getFQN())) {
isClass = true;
} else {
try {
Clazz r = analyzer.findClass(type);
if (r.isAnnotation()) {
analyzer.warning(
"Nested annotation type found in field % s, %s",
defined.getName(), type.getFQN());
return;
}
} catch (Exception e) {
analyzer.error(
"Exception looking at annotation type default for element with descriptor %s, type %s",
e, defined, type);
}
}
}
if (value != null) {
if (value.getClass().isArray()) {
// add element individually
ad.defaults = new String[Array.getLength(value)];
for (int i = 0; i < Array.getLength(value); i++) {
Object element = Array.get(value, i);
ad.defaults[i] = valueToProperty(element, isClass);
}
} else {
ad.defaults = new String[] {valueToProperty(value, isClass)};
}
}
}
}
}