List of lookup4() Examples

Examples of lookup4()

io.vertx.core.dns.DnsClient.lookup4()
Try to lookup the A (ipv4) record for the given name. The first found will be used. @param name The name to resolve @param handler the {@link Handler} to notify with the {@link io.vertx.core.AsyncResult}. The {@link io.vertx.core.AsyncResult} will getnotified with the resolved {@link java.net.Inet4Address} if a record was found. If non was found it willget notifed with {@code null}. If an error accours it will get failed. @return itself for method-chaining.

Examples of io.vertx.core.dns.DnsClient.lookup4()

  @Test
  public void testIllegalArguments() throws Exception {
    DnsClient dns = prepareDns(FakeDNSServer.testResolveAAAA("::1"));


    assertNullPointerException(() -> dns.lookup(null, ar -> {}));
    assertNullPointerException(() -> dns.lookup4(null, ar -> {}));
    assertNullPointerException(() -> dns.lookup6(null, ar -> {}));
    assertNullPointerException(() -> dns.resolveA(null, ar -> {}));
    assertNullPointerException(() -> dns.resolveAAAA(null, ar -> {}));
    assertNullPointerException(() -> dns.resolveCNAME(null, ar -> {}));
    assertNullPointerException(() -> dns.resolveMX(null, ar -> {}));

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Examples of io.vertx.core.dns.DnsClient.lookup4()

  @Test
  public void testLookup4() throws Exception {
    final String ip = "10.0.0.1";
    DnsClient dns = prepareDns(FakeDNSServer.testLookup4(ip));


    dns.lookup4("vertx.io", ar -> {
      String result = ar.result();
      assertNotNull(result);
      assertEquals(ip, result);
      testComplete();
    });

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