@BeforeClass
public static void createMapper() {
mapper = new ObjectMapper();
mapper.enable(SerializationFeature.WRAP_ROOT_VALUE);
mapper.enable(DeserializationFeature.UNWRAP_ROOT_VALUE);
mapper.setTimeZone(TimeZone.getTimeZone("America/Chicago"));
}
@Override
public void startUp() throws Exception {
// do a DB backup, and keep last 15 copies
File db = new File(Settings.getInstance().getSettingsFolder(), MOVIE_DB);
Utils.createBackupFile(db);
Utils.deleteOldBackupFile(db, 15);
// configure database
mvStore =
new MVStore.Builder()
.fileName(Settings.getInstance().getSettingsFolder() + File.separatorChar + MOVIE_DB)
.compressHigh()
.open();
mvStore.setAutoCommitDelay(2000); // 2 sec
mvStore.setRetentionTime(0);
mvStore.setReuseSpace(true);
// configure JSON
objectMapper = new ObjectMapper();
objectMapper.configure(MapperFeature.AUTO_DETECT_GETTERS, false);
objectMapper.configure(MapperFeature.AUTO_DETECT_IS_GETTERS, false);
objectMapper.configure(MapperFeature.AUTO_DETECT_SETTERS, false);
objectMapper.configure(MapperFeature.AUTO_DETECT_FIELDS, false);
objectMapper.setTimeZone(TimeZone.getDefault());
objectMapper.setSerializationInclusion(Include.NON_DEFAULT);
movieObjectWriter = objectMapper.writerFor(Movie.class);
movieSetObjectWriter = objectMapper.writerFor(MovieSet.class);
movieMap = mvStore.openMap("movies");
movieSetMap = mvStore.openMap("movieSets");
MovieList.getInstance().loadMoviesFromDatabase(movieMap, objectMapper);
MovieList.getInstance().loadMovieSetsFromDatabase(movieSetMap, objectMapper);
MovieList.getInstance().initDataAfterLoading();
enabled = true;
}
/**
* Configure an existing {@link ObjectMapper} instance with this builder's settings. This can be
* applied to any number of {@code ObjectMappers}.
*
* @param objectMapper the ObjectMapper to configure
*/
@SuppressWarnings("deprecation")
public void configure(ObjectMapper objectMapper) {
Assert.notNull(objectMapper, "ObjectMapper must not be null");
if (this.findModulesViaServiceLoader) {
// Jackson 2.2+
objectMapper.registerModules(ObjectMapper.findModules(this.moduleClassLoader));
} else if (this.findWellKnownModules) {
registerWellKnownModulesIfAvailable(objectMapper);
}
if (this.modules != null) {
for (Module module : this.modules) {
// Using Jackson 2.0+ registerModule method, not Jackson 2.2+ registerModules
objectMapper.registerModule(module);
}
}
if (this.moduleClasses != null) {
for (Class<? extends Module> module : this.moduleClasses) {
objectMapper.registerModule(BeanUtils.instantiate(module));
}
}
if (this.dateFormat != null) {
objectMapper.setDateFormat(this.dateFormat);
}
if (this.locale != null) {
objectMapper.setLocale(this.locale);
}
if (this.timeZone != null) {
objectMapper.setTimeZone(this.timeZone);
}
if (this.annotationIntrospector != null) {
objectMapper.setAnnotationIntrospector(this.annotationIntrospector);
}
if (this.propertyNamingStrategy != null) {
objectMapper.setPropertyNamingStrategy(this.propertyNamingStrategy);
}
if (this.serializationInclusion != null) {
objectMapper.setSerializationInclusion(this.serializationInclusion);
}
if (this.filters != null) {
// Deprecated as of Jackson 2.6, but just in favor of a fluent variant.
objectMapper.setFilters(this.filters);
}
for (Class<?> target : this.mixIns.keySet()) {
// Deprecated as of Jackson 2.5, but just in favor of a fluent variant.
objectMapper.addMixInAnnotations(target, this.mixIns.get(target));
}
if (!this.serializers.isEmpty() || !this.deserializers.isEmpty()) {
SimpleModule module = new SimpleModule();
addSerializers(module);
addDeserializers(module);
objectMapper.registerModule(module);
}
customizeDefaultFeatures(objectMapper);
for (Object feature : this.features.keySet()) {
configureFeature(objectMapper, feature, this.features.get(feature));
}
if (this.handlerInstantiator != null) {
objectMapper.setHandlerInstantiator(this.handlerInstantiator);
} else if (this.applicationContext != null) {
objectMapper.setHandlerInstantiator(
new SpringHandlerInstantiator(this.applicationContext.getAutowireCapableBeanFactory()));
}
}