private Mongo connect(String host, String port) {
String[] ha = host.split("[,\\s;]+");
String[] pa = port.split("[,\\s;]+");
int len = ha.length;
if (len != pa.length) {
throw Configuration.root()
.reportError(
ConfigKey.DB_HOST.getKey() + "-" + ConfigKey.DB_PORT.getKey(),
"host and ports number does not match",
null);
}
if (1 == len) {
try {
return new Mongo(ha[0], Integer.parseInt(pa[0]));
} catch (Exception e) {
throw Configuration.root()
.reportError(
ConfigKey.DB_HOST.getKey() + "-" + ConfigKey.DB_PORT.getKey(),
String.format("Cannot connect to mongodb at %s:%s", host, port),
e);
}
}
List<ServerAddress> addrs = new ArrayList<ServerAddress>(ha.length);
for (int i = 0; i < len; ++i) {
try {
addrs.add(new ServerAddress(ha[i], Integer.parseInt(pa[i])));
} catch (Exception e) {
MorphiaLogger.error(e, "Error creating mongo connection to %s:%s", host, port);
}
}
if (addrs.isEmpty()) {
throw Configuration.root()
.reportError(
ConfigKey.DB_HOST.getKey() + "-" + ConfigKey.DB_PORT.getKey(),
"Cannot connect to mongodb: no replica can be connected",
null);
}
return new Mongo(addrs);
}
@Override
public void onStart() {
if (!isEnabled) {
return;
}
// Register SLF4JLogrImplFactory as Logger
// @see http://nesbot.com/2011/11/28/play-2-morphia-logging-error
MorphiaLoggerFactory.reset();
MorphiaLoggerFactory.registerLogger(SLF4JLogrImplFactory.class);
try {
Configuration morphiaConf = Configuration.root().getConfig(ConfigKey.PREFIX);
if (morphiaConf == null) {
throw Configuration.root()
.reportError(ConfigKey.PREFIX, "Missing Morphia configuration", null);
}
MorphiaLogger.debug(morphiaConf);
String dbName = morphiaConf.getString(ConfigKey.DB_NAME.getKey());
if (StringUtils.isBlank(dbName)) {
throw morphiaConf.reportError(
ConfigKey.DB_NAME.getKey(), "Missing Morphia configuration", null);
}
// Connect to MongoDB
String seeds = morphiaConf.getString(ConfigKey.DB_SEEDS.getKey());
if (StringUtils.isNotBlank(seeds)) {
mongo = connect(seeds);
} else {
mongo =
connect(
morphiaConf.getString(ConfigKey.DB_HOST.getKey()),
morphiaConf.getString(ConfigKey.DB_PORT.getKey()));
}
morphia = new Morphia();
// To prevent problem during hot-reload
if (application.isDev()) {
morphia.getMapper().getOptions().objectFactory = new PlayCreator();
}
// Configure validator
new ValidationExtension(morphia);
// Check if credentials parameters are present
String username = morphiaConf.getString(ConfigKey.DB_USERNAME.getKey());
String password = morphiaConf.getString(ConfigKey.DB_PASSWORD.getKey());
if (StringUtils.isNotBlank(username) ^ StringUtils.isNotBlank(password)) {
throw morphiaConf.reportError(
ConfigKey.DB_NAME.getKey(), "Missing username or password", null);
}
// Create datastore
if (StringUtils.isNotBlank(username) && StringUtils.isNotBlank(password)) {
ds = morphia.createDatastore(mongo, dbName, username, password.toCharArray());
} else {
ds = morphia.createDatastore(mongo, dbName);
}
MorphiaLogger.debug("Datastore [%s] created", dbName);
// Create GridFS
String uploadCollection = morphiaConf.getString(ConfigKey.COLLECTION_UPLOADS.getKey());
if (StringUtils.isBlank(dbName)) {
uploadCollection = "uploads";
MorphiaLogger.warn(
"Missing Morphia configuration key [%s]. Use default value instead [%s]",
ConfigKey.COLLECTION_UPLOADS, "uploads");
}
gridfs = new GridFS(ds.getDB(), uploadCollection);
MorphiaLogger.debug("GridFS created", "");
MorphiaLogger.debug("Add Interceptor...", "");
morphia
.getMapper()
.addInterceptor(
new AbstractEntityInterceptor() {
@Override
public void postLoad(final Object ent, final DBObject dbObj, final Mapper mapr) {
if (ent instanceof Model) {
Model m = (Model) ent;
m._post_Load();
}
}
});
MorphiaLogger.debug("Classes mapping...", "");
mapClasses();
MorphiaLogger.debug("End of initializing Morphia", "");
} catch (MongoException e) {
MorphiaLogger.error(e, "Problem connecting MongoDB");
throw new RuntimeException(e);
} catch (ClassNotFoundException e) {
MorphiaLogger.error(e, "Problem mapping class");
throw new RuntimeException(e);
}
}