@Nullable
private static TypeWrapper wrap(Type type) {
if (type == null) {
return null;
} else if (type instanceof Class) {
return new ClassTypeWrapper((Class<?>) type);
} else if (type instanceof ParameterizedType) {
ParameterizedType parameterizedType = (ParameterizedType) type;
return new ParameterizedTypeWrapper(
toWrappers(parameterizedType.getActualTypeArguments()),
(ClassTypeWrapper) wrap(parameterizedType.getRawType()),
wrap(parameterizedType.getOwnerType()));
} else if (type instanceof WildcardType) {
WildcardType wildcardType = (WildcardType) type;
return new WildcardTypeWrapper(
toWrappers(wildcardType.getUpperBounds()),
toWrappers(wildcardType.getLowerBounds()),
type.hashCode());
} else if (type instanceof TypeVariable) {
TypeVariable<?> typeVariable = (TypeVariable<?>) type;
return new TypeVariableTypeWrapper(
typeVariable.getName(), toWrappers(typeVariable.getBounds()), type.hashCode());
} else if (type instanceof GenericArrayType) {
GenericArrayType genericArrayType = (GenericArrayType) type;
return new GenericArrayTypeWrapper(
wrap(genericArrayType.getGenericComponentType()), type.hashCode());
} else {
throw new IllegalArgumentException("cannot wrap type of type " + type.getClass());
}
}
public boolean isMatch(Type type) {
if (type instanceof GenericArrayType) {
GenericArrayType aType = (GenericArrayType) type;
return _componentType.equals(aType.getGenericComponentType());
} else return false;
}
public boolean equals(Object o) {
if (o == this) return true;
else if (o instanceof GenericArrayType) {
GenericArrayType type = (GenericArrayType) o;
return _componentType.equals(type.getGenericComponentType());
} else return false;
}
private void visitType(java.lang.reflect.Type type, StringBuilder builder) {
if (type instanceof Class) {
Class<?> cl = (Class<?>) type;
if (cl.isPrimitive()) {
builder.append(Type.getType(cl).getDescriptor());
} else {
if (cl.isArray()) {
builder.append(cl.getName().replace('.', '/'));
} else {
builder.append('L');
builder.append(cl.getName().replace('.', '/'));
builder.append(';');
}
}
} else if (type instanceof ParameterizedType) {
ParameterizedType parameterizedType = (ParameterizedType) type;
visitNested(parameterizedType.getRawType(), builder);
builder.append('<');
for (java.lang.reflect.Type param : parameterizedType.getActualTypeArguments()) {
visitType(param, builder);
}
builder.append(">;");
} else if (type instanceof WildcardType) {
WildcardType wildcardType = (WildcardType) type;
if (wildcardType.getUpperBounds().length == 1
&& wildcardType.getUpperBounds()[0].equals(Object.class)) {
if (wildcardType.getLowerBounds().length == 0) {
builder.append('*');
return;
}
} else {
for (java.lang.reflect.Type upperType : wildcardType.getUpperBounds()) {
builder.append('+');
visitType(upperType, builder);
}
}
for (java.lang.reflect.Type lowerType : wildcardType.getLowerBounds()) {
builder.append('-');
visitType(lowerType, builder);
}
} else if (type instanceof TypeVariable) {
TypeVariable<?> typeVar = (TypeVariable) type;
builder.append('T');
builder.append(typeVar.getName());
builder.append(';');
} else if (type instanceof GenericArrayType) {
GenericArrayType arrayType = (GenericArrayType) type;
builder.append('[');
visitType(arrayType.getGenericComponentType(), builder);
} else {
throw new IllegalArgumentException(
String.format("Cannot generate signature for %s.", type));
}
}
/**
* @param type - something like List<T>[] or List<? extends T>[] or T[]
* @param containingType - the shallowest type in the hierarchy where type is defined.
* @return either the passed type if no changes required or a copy with a best effort resolve of
* the component type.
*/
private static GenericArrayType resolve(GenericArrayType type, Type containingType) {
final Type componentType = type.getGenericComponentType();
if (!(componentType instanceof Class)) {
final Type resolved = resolve(componentType, containingType);
return create(resolved);
}
return type;
}
private ClassNode configureGenericArray(GenericArrayType genericArrayType) {
Type component = genericArrayType.getGenericComponentType();
ClassNode node = configureType(component);
return node.makeArray();
}
static String toString(GenericArrayType gat) {
return String.format("%s[]", toString(gat.getGenericComponentType()));
}
