fetch

Access to fetch at '<https://pentagame.herokuapp.com/api/status>' from origin '<http://pentagame.herokuapp.com>' has been blocked by CORS policy: No 'Access-Control-Allow-Origin' header is present on the requested resource. If an opaque response serves your needs, set the request's mode to 'no-cors' to fetch the resource with CORS disabled.

<http://127.0.0.3/order/admin?filters%5Bid%5D=33&filters%5Baddress%5D=fooooooooo>

filters

hashMap

val filters = hashMapOf("id" to 33, "address" to "fooooooooo")

{
  "object":"page",
  "entry":[
    {
      "id":"<PAGE_ID>",
      "time":1458692752478,
      "messaging":[
        {
          "sender":{ "id":"<PSID>" },
          "recipient":{ "id":"<PAGE_ID>" },
          ... // <-- this
        }
      ]
    }
  ]
}

...

message

reaction

postback

java.sql.*

fun hello(@QueryParam("greeting") @DefaultValue("hi") greeting: String = "hi")

@RequestMapping(value = "/my_image",
            method = RequestMethod.GET,
            produces = MediaType.IMAGE_PNG_VALUE)
    public ResponseEntity<byte[]> getMyImage() throws IOException {

        ClassPathResource imgFile = new ClassPathResource("static/images/user/my_image.png");

        byte[] bytes = StreamUtils.copyToByteArray(imgFile.getInputStream());

        return ResponseEntity
                .ok()
                .contentType(MediaType.IMAGE_PNG)
                .body(bytes);
    }

DataSource

public class DataSource {
    private static HikariConfig config = new HikariConfig();
    private static HikariDataSource ds;

    static {
        config.setJdbcUrl("jdbc:<mysql://username>:<mailto:password@q2gen47hi68k1yrb.chr7pe7iynqr.eu-west-1.rds.amazonaws.com|password@q2gen47hi68k1yrb.chr7pe7iynqr.eu-west-1.rds.amazonaws.com>:3306/mmylxkukgpzvjvfx");
        config.setUsername("username");
        config.setPassword("password");
        config.addDataSourceProperty("prepStmtCacheSize", "250");
        config.addDataSourceProperty("prepStmtCacheSqlLimit", "2048");
        config.addDataSourceProperty("cachePrepStmts", "true");
        ds = new HikariDataSource(config);
    }

    private DataSource() {
    }

    public static Connection getConnection() throws SQLException {
        return ds.getConnection();
    }
}

getConnection()

getConnecion()

@GetMapping(path = "/all")
    public @ResponseBody Iterable<ExampleEntity> getAllUsers() {
        try {
            Connection connection = DataSource.getConnection();
// what am I gonna do with the connection ?
            return mExampleService.getAll();
        } catch (SQLException ex) {
            System.err.println("Exception Occurred");
        }
    }