private void visitFile(File file) throws IOException {
String json = Files.toString(file, Charsets.UTF_8);
log.debug("Reading file: {}", file);
LoadBalanceMappingList chunk = JsonCodec.gson.fromJson(json, LoadBalanceMappingList.class);
if (chunk.mappings != null) {
for (LbaasMapping mapping : chunk.mappings) {
log.debug("Found mapping: {}", mapping);