public static FrameworkDTO newFrameworkDTO(
BundleContext systemBundleContext, Map<String, String> configuration) {
FrameworkDTO dto = new FrameworkDTO();
dto.properties = asProperties(configuration);
if (systemBundleContext == null) {
dto.bundles = newList(0);
dto.services = newList(0);
return dto;
}
Bundle[] bundles = systemBundleContext.getBundles();
int size = bundles == null ? 0 : bundles.length;
List<BundleDTO> bundleDTOs = newList(size);
for (int i = 0; i < size; i++) {
bundleDTOs.add(newBundleDTO(bundles[i]));
}
dto.bundles = bundleDTOs;
try {
ServiceReference<?>[] references = systemBundleContext.getAllServiceReferences(null, null);
size = references == null ? 0 : references.length;
List<ServiceReferenceDTO> refDTOs = newList(size);
for (int i = 0; i < size; i++) {
ServiceReferenceDTO serviceRefDTO = getServiceReferenceDTO(references[i]);
if (serviceRefDTO != null) {
refDTOs.add(serviceRefDTO);
}
}
dto.services = refDTOs;
} catch (InvalidSyntaxException e) {
dto.services = newList(0);
}
return dto;
}
private List<CapabilityDTO> getListCapabilityDTO(List<BundleCapability> caps) {
if (caps == null) {
return null;
}
List<CapabilityDTO> dtos = newList(caps.size());
for (BundleCapability cap : caps) {
dtos.add(getCapabilityDTO(cap));
}
return dtos;
}
private List<WireDTO> getListBundleWireDTO(List<BundleWire> wires) {
if (wires == null) {
return null;
}
List<WireDTO> dtos = newList(wires.size());
for (BundleWire wire : wires) {
dtos.add(getBundleWireDTO(wire));
}
return dtos;
}
private List<RequirementRefDTO> getListRequirementRefDTO(List<BundleRequirement> reqs) {
if (reqs == null) {
return null;
}
List<RequirementRefDTO> dtos = newList(reqs.size());
for (BundleRequirement req : reqs) {
dtos.add(getRequirementRefDTO(req));
}
return dtos;
}
public static ServiceReferenceDTO[] newArrayServiceReferenceDTO(
ServiceReference<?>[] references) {
final int length = (references == null) ? 0 : references.length;
List<ServiceReferenceDTO> refDTOs = new ArrayList<ServiceReferenceDTO>(length);
for (int i = 0; i < length; i++) {
ServiceReferenceDTO dto = getServiceReferenceDTO(references[i]);
if (dto != null) {
refDTOs.add(dto);
}
}
return refDTOs.toArray(new ServiceReferenceDTO[refDTOs.size()]);
}
public static BundleRevisionDTO[] newArrayBundleRevisionDTO(BundleRevisions revisions) {
if (revisions == null) {
return null;
}
List<BundleRevision> revs = revisions.getRevisions();
final int size = revs.size();
BundleRevisionDTO[] dtos = new BundleRevisionDTO[size];
for (int i = 0; i < size; i++) {
dtos[i] = new DTOBuilder().getBundleRevisionDTO(revs.get(i));
}
return dtos;
}
private static Object mapValue(Object v) {
if ((v == null)
|| v instanceof Number
|| v instanceof Boolean
|| v instanceof Character
|| v instanceof String
|| v instanceof DTO) {
return v;
}
if (v instanceof Map) {
Map<?, ?> m = (Map<?, ?>) v;
Map<Object, Object> map = newMap(m.size());
for (Map.Entry<?, ?> e : m.entrySet()) {
map.put(mapValue(e.getKey()), mapValue(e.getValue()));
}
return map;
}
if (v instanceof List) {
List<?> c = (List<?>) v;
List<Object> list = newList(c.size());
for (Object o : c) {
list.add(mapValue(o));
}
return list;
}
if (v instanceof Set) {
Set<?> c = (Set<?>) v;
Set<Object> set = newSet(c.size());
for (Object o : c) {
set.add(mapValue(o));
}
return set;
}
if (v.getClass().isArray()) {
final int length = Array.getLength(v);
final Class<?> componentType = mapComponentType(v.getClass().getComponentType());
Object array = Array.newInstance(componentType, length);
for (int i = 0; i < length; i++) {
Array.set(array, i, mapValue(Array.get(v, i)));
}
return array;
}
return String.valueOf(v);
}
/**
* Assumes the input map always has String keys and the values are of types: String, Version,
* Long, Double or List of the previous types. Lists are copied and Version objects are converted
* to String objects.
*/
private static Map<String, Object> newAttributesMapDTO(Map<String, Object> map) {
Map<String, Object> dto = new HashMap<String, Object>(map);
/* Lists are copied and Version objects are converted to String objects. */
for (Map.Entry<String, Object> entry : dto.entrySet()) {
Object value = entry.getValue();
if (value instanceof Version) {
entry.setValue(String.valueOf(value));
continue;
}
if (value instanceof List) {
List<Object> newList = new ArrayList<Object>((List<?>) value);
for (ListIterator<Object> iter = newList.listIterator(); iter.hasNext(); ) {
Object element = iter.next();
if (element instanceof Version) {
iter.set(String.valueOf(element));
}
}
entry.setValue(newList);
continue;
}
}
return dto;
}
public static BundleWiringDTO[] newArrayBundleWiringDTO(BundleRevisions revisions) {
if (revisions == null) {
return null;
}
List<BundleRevision> revs = revisions.getRevisions();
final int size = revs.size();
List<BundleWiringDTO> dtos = new ArrayList<BundleWiringDTO>(size);
for (int i = 0; i < size; i++) {
BundleWiring wiring = revs.get(i).getWiring();
if (wiring != null) {
dtos.add(
new DTOBuilder().getBundleWiringDTO(wiring)); // use new DTOBuilder for each wiring dto
}
}
return dtos.toArray(new BundleWiringDTO[dtos.size()]);
}