private Class guessCollectionGenericType(SinglePropertyMetadata metadata) {
if (metadata.getGetter() != null) {
return GenericCollectionTypeResolver.getCollectionReturnType(metadata.getGetter());
} else if (metadata.getSetter() != null) {
return GenericCollectionTypeResolver.getCollectionParameterType(
new MethodParameter(metadata.getSetter(), 0));
} else if (metadata.getField() != null) {
return GenericCollectionTypeResolver.getCollectionFieldType(metadata.getField());
}
return null;
}
private Class[] guessMapGenericType(SinglePropertyMetadata metadata) {
Method getter = metadata.getGetter();
Method setter = metadata.getSetter();
Field field = metadata.getField();
if (getter != null) {
return new Class[] {
GenericCollectionTypeResolver.getMapKeyReturnType(getter),
GenericCollectionTypeResolver.getMapValueReturnType(getter)
};
} else if (setter != null) {
MethodParameter methodParam = new MethodParameter(setter, 0);
return new Class[] {
GenericCollectionTypeResolver.getMapKeyParameterType(methodParam),
GenericCollectionTypeResolver.getMapValueParameterType(methodParam),
};
} else if (field != null) {
return new Class[] {
GenericCollectionTypeResolver.getMapKeyFieldType(field),
GenericCollectionTypeResolver.getMapValueFieldType(field)
};
}
return null;
}