private List<String> getNativePaths() {
ModuleRevision revision = generation.getRevision();
ModuleWiring wiring = revision.getWiring();
if (wiring == null) {
// unresolved? should not be possible
return Collections.emptyList();
}
if ((revision.getTypes() & BundleRevision.TYPE_FRAGMENT) != 0) {
List<ModuleWire> hosts = wiring.getRequiredModuleWires(HostNamespace.HOST_NAMESPACE);
if (hosts == null) {
// unresolved or invalid? should not be possible
return Collections.emptyList();
}
if (!hosts.isEmpty()) {
// just use the first host wiring
wiring = hosts.get(0).getProviderWiring();
}
}
List<ModuleWire> nativeCode = wiring.getRequiredModuleWires(NativeNamespace.NATIVE_NAMESPACE);
if (nativeCode.isEmpty()) {
return Collections.emptyList();
}
// just taking the first paths for the revision, we sorted correctly when transforming to the
// requirement
for (ModuleWire moduleWire : nativeCode) {
if (moduleWire.getRequirement().getRevision().equals(revision)) {
@SuppressWarnings("unchecked")
List<String> result =
(List<String>)
nativeCode
.get(0)
.getRequirement()
.getAttributes()
.get(REQUIREMENT_NATIVE_PATHS_ATTRIBUTE);
if (result != null) return result;
// this must be a multi-clause Bundle-NativeCode header, need to check for the correct one
// in the index
try {
FilterImpl filter =
FilterImpl.newInstance(
moduleWire
.getRequirement()
.getDirectives()
.get(NativeNamespace.REQUIREMENT_FILTER_DIRECTIVE));
int index = -1;
Map<String, Object> capabilityAttrs = moduleWire.getCapability().getAttributes();
for (FilterImpl child : filter.getChildren()) {
index++;
if (child.matches(capabilityAttrs)) {
break;
}
}
if (index != -1) {
@SuppressWarnings("unchecked")
List<String> indexResult =
(List<String>)
nativeCode
.get(0)
.getRequirement()
.getAttributes()
.get(REQUIREMENT_NATIVE_PATHS_ATTRIBUTE + '.' + index);
if (indexResult != null) return indexResult;
}
} catch (InvalidSyntaxException e) {
throw new RuntimeException(e);
}
}
}
return Collections.emptyList();
}
