Update InternetAddress

sdk/lib/io/socket.dart

 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 part of dart.io;
 
 
 /**
  * [InternetAddressType] is the type an [InternetAddress]. Currently,
  * IP version 4 (IPv4) and IP version 6 (IPv6) are supported.
@@ skipping 82 matching lines @@
    * Returns true if the [InternetAddress] is a loopback address.
    */
   bool get isLoopback;
 
   /**
    * Returns true if the [InternetAddress]s scope is a link-local.
    */
   bool get isLinkLocal;
 
   /**
+   * Returns true if the [InternetAddress]s scope is multicast.
+   */
+  bool get isMulticast;
+
+  /**
+   * Creates a new [InternetAddress] from a numeric address.
+   *
+   * If the address in [address] is not a numeric IPv4
+   * (dotted-decimal notation) or IPv6 (hexadecimal representation).
+   * address [ArgumentError] is thrown.
+   */
+  factory InternetAddress(String address) =>
+      new _InternetAddress.parse(address);
+
+  /**
    * Perform a reverse dns lookup on the [address], creating a new
    * [InternetAddress] where the host field set to the result.
    */
   Future<InternetAddress> reverse();
 
   /**
    * Lookup a host, returning a Future of a list of
    * [InternetAddress]s. If [type] is [InternetAddressType.ANY], it
    * will lookup both IP version 4 (IPv4) and IP version 6 (IPv6)
    * addresses. If [type] is either [InternetAddressType.IP_V4] or
@@ skipping 398 matching lines @@
     }
     if (address != null) {
       sb.write(", address = ${address.host}");
     }
     if (port != null) {
       sb.write(", port = $port");
     }
     return sb.toString();
   }
 }