@Override
public void setAdditionalDefaultGroups(Set<String> groupNames) {
try {
if (groupNames == null) return;
final Map<String, Role> nameToRole =
Maps.uniqueIndex(roleService.loadAll(), Roles.roleToNameFunction());
final List<String> groupIds =
Lists.newArrayList(
Collections2.transform(
groupNames,
new Function<String, String>() {
@Nullable
@Override
public String apply(@Nullable String groupName) {
if (groupName == null || !nameToRole.containsKey(groupName)) {
return null;
}
return nameToRole.get(groupName).getId();
}
}));
fields.put(ADDITIONAL_DEFAULT_GROUPS, groupIds);
} catch (NotFoundException e) {
LOG.error("Unable to convert group names to ids", e);
throw new IllegalStateException("Unable to convert group names to ids", e);
}
}
@Override
public void setGroupMapping(Map<String, String> mapping) {
Map<String, String> internal;
if (mapping == null) {
internal = Collections.emptyMap();
} else {
// we store ids internally but external users use the group names
try {
final Map<String, Role> nameToRole =
Maps.uniqueIndex(roleService.loadAll(), Roles.roleToNameFunction());
internal =
Maps.newHashMap(
Maps.transformValues(
mapping,
new Function<String, String>() {
@Nullable
@Override
public String apply(@Nullable String groupName) {
if (groupName == null || !nameToRole.containsKey(groupName)) {
return null;
}
return nameToRole.get(groupName).getId();
}
}));
} catch (NotFoundException e) {
LOG.error("Unable to convert group names to ids", e);
throw new IllegalStateException("Unable to convert group names to ids", e);
}
}
fields.put(GROUP_MAPPING, internal);
}