@Inject
public CitiesRegistryService(Client client, PluginSettings settings) {
super(client, settings);
gson = GsonUtils.newBuilder().create();
}
public File createCitiesBulkFile2() {
File result = new File(pluginSettings.getTempDirectory(), CITIES_BULK_FILENAME);
File inputFile = new File(CITIES_SOURCE_FILE2);
InputStream ris = null;
BufferedReader bf = null;
FileWriter fw = null;
try {
if (result.exists()) {
FileUtils.forceDelete(result);
} else if (!result.getParentFile().exists()) {
FileUtils.forceMkdir(result.getParentFile());
}
ris = new BufferedInputStream(new FileInputStream(inputFile));
if (ris == null) {
throw new TechnicalException(
String.format(
"Could not retrieve file [%s] from test classpath. Make sure git submodules has been initialized before building.",
CITIES_SOURCE_FILE2));
}
boolean firstLine = true;
java.lang.reflect.Type typeOfHashMap = new TypeToken<Map<String, String[]>>() {}.getType();
Gson gson = GsonUtils.newBuilder().create();
StringBuilder builder = new StringBuilder();
bf = new BufferedReader(new InputStreamReader(ris, "UTF-16LE"), 2048);
fw = new FileWriter(result);
char[] buf = new char[2048];
int len;
while ((len = bf.read(buf)) != -1) {
String bufStr = new String(buf, 0, len);
if (firstLine) {
// Remove UTF-16 BOM char
int objectStartIndex = bufStr.indexOf('\uFEFF');
if (objectStartIndex != -1) {
bufStr = bufStr.substring(objectStartIndex);
}
firstLine = false;
}
int arrayEndIndex = bufStr.indexOf("],\"");
if (arrayEndIndex == -1) {
arrayEndIndex = bufStr.indexOf("]}");
}
if (arrayEndIndex == -1) {
builder.append(bufStr);
} else {
builder.append(bufStr.substring(0, arrayEndIndex + 1));
builder.append("}");
if (log.isTraceEnabled()) {
log.trace(builder.toString());
}
Map<String, String[]> citiesByCountry = gson.fromJson(builder.toString(), typeOfHashMap);
builder.setLength(0);
for (String country : citiesByCountry.keySet()) {
if (StringUtils.isNotBlank(country)) {
for (String city : citiesByCountry.get(country)) {
if (StringUtils.isNotBlank(city)) {
fw.write(String.format("{\"index\":{\"_id\" : \"%s-%s\"}}\n", country, city));
fw.write(String.format("{\"country\":\"%s\", \"name\":\"%s\"}\n", country, city));
}
}
}
}
fw.flush();
// reset and prepare buffer for next country
builder.setLength(0);
builder.append("{");
if (arrayEndIndex + 2 < bufStr.length()) {
builder.append(bufStr.substring(arrayEndIndex + 2));
}
}
}
fw.close();
bf.close();
} catch (Exception e) {
throw new TechnicalException(
String.format("Error while creating cities file [%s]", result.getName()), e);
} finally {
IOUtils.closeQuietly(bf);
IOUtils.closeQuietly(ris);
IOUtils.closeQuietly(fw);
}
return result;
}