public String toJson(ObjectMapper mapper) {
ObjectNode rootNode = mapper.createObjectNode();
ArrayNode keysNode = rootNode.putArray("keys");
for (Object key : keys) {
keysNode.addPOJO(key);
}
try {
return mapper.writeValueAsString(rootNode);
} catch (Exception e) {
throw Exceptions.propagate(e);
}
}
@Override
public void execute() {
Connection dbConn = null;
CallableStatement proc = null;
ResultSet set = null;
try {
dbConn = PostgresConnection.getDataSource().getConnection();
dbConn.setAutoCommit(false);
proc = dbConn.prepareCall("{? = call get_user_favorites(?)}");
proc.setPoolable(true);
proc.registerOutParameter(1, Types.OTHER);
proc.setInt(2, Integer.parseInt(map.get("user_id")));
proc.execute();
set = (ResultSet) proc.getObject(1);
MyObjectMapper mapper = new MyObjectMapper();
JsonNodeFactory nf = JsonNodeFactory.instance;
ObjectNode root = nf.objectNode();
ArrayNode tweets = nf.arrayNode();
root.put("app", map.get("app"));
root.put("method", map.get("method"));
root.put("status", "ok");
root.put("code", "200");
while (set.next()) {
Integer id = set.getInt(1);
String tweet = set.getString(2);
String image_url = set.getString(3);
Timestamp created_at = set.getTimestamp(4);
String creator_name = set.getString(5);
String creator_username = set.getString(6);
String creator_avatar = set.getString(7);
Tweet t = new Tweet();
t.setId(id);
t.setTweetText(tweet);
t.setImageUrl(image_url);
t.setCreatedAt(created_at);
User creator = new User();
creator.setName(creator_name);
creator.setAvatarUrl(creator_avatar);
creator.setUsername(creator_username);
t.setCreator(creator);
tweets.addPOJO(t);
}
root.put("favorites", tweets);
try {
CommandsHelp.submit(
map.get("app"), mapper.writeValueAsString(root), map.get("correlation_id"), LOGGER);
} catch (JsonGenerationException e) {
LOGGER.log(Level.SEVERE, e.getMessage(), e);
} catch (JsonMappingException e) {
LOGGER.log(Level.SEVERE, e.getMessage(), e);
} catch (IOException e) {
LOGGER.log(Level.SEVERE, e.getMessage(), e);
}
dbConn.commit();
} catch (PSQLException e) {
CommandsHelp.handleError(
map.get("app"), map.get("method"), e.getMessage(), map.get("correlation_id"), LOGGER);
LOGGER.log(Level.SEVERE, e.getMessage(), e);
} catch (SQLException e) {
CommandsHelp.handleError(
map.get("app"), map.get("method"), e.getMessage(), map.get("correlation_id"), LOGGER);
LOGGER.log(Level.SEVERE, e.getMessage(), e);
} finally {
PostgresConnection.disconnect(set, proc, dbConn);
}
}