final String[] types = request.paramAsStringArrayOrEmptyIfAll("type");
final String[] fields = Strings.splitStringByCommaToArray(request.param("fields"));
GetFieldMappingsRequest getMappingsRequest = new GetFieldMappingsRequest();
getMappingsRequest.indices(indices).types(types).fields(fields).includeDefaults(request.paramAsBoolean("include_defaults", false));
getMappingsRequest.indicesOptions(IndicesOptions.fromRequest(request, getMappingsRequest.indicesOptions()));
getMappingsRequest.local(request.paramAsBoolean("local", getMappingsRequest.local()));
client.admin().indices().getFieldMappings(getMappingsRequest, new RestBuilderListener<GetFieldMappingsResponse>(channel) {
@SuppressWarnings("unchecked")
@Override
public RestResponse buildResponse(GetFieldMappingsResponse response, XContentBuilder builder) throws Exception {