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1   /*
2    * ====================================================================
3    * Licensed to the Apache Software Foundation (ASF) under one
4    * or more contributor license agreements.  See the NOTICE file
5    * distributed with this work for additional information
6    * regarding copyright ownership.  The ASF licenses this file
7    * to you under the Apache License, Version 2.0 (the
8    * "License"); you may not use this file except in compliance
9    * with the License.  You may obtain a copy of the License at
10   *
11   *   http://www.apache.org/licenses/LICENSE-2.0
12   *
13   * Unless required by applicable law or agreed to in writing,
14   * software distributed under the License is distributed on an
15   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16   * KIND, either express or implied.  See the License for the
17   * specific language governing permissions and limitations
18   * under the License.
19   * ====================================================================
20   *
21   * This software consists of voluntary contributions made by many
22   * individuals on behalf of the Apache Software Foundation.  For more
23   * information on the Apache Software Foundation, please see
24   * <http://www.apache.org/>.
25   *
26   */
27  
28  package org.apache.http.util;
29  
30  import java.net.InetAddress;
31  import java.net.InetSocketAddress;
32  import java.net.SocketAddress;
33  
34  /**
35   * @since 4.3
36   */
37  public final class NetUtils {
38  
39      public static void formatAddress(
40              final StringBuilder buffer,
41              final SocketAddress socketAddress) {
42          Args.notNull(buffer, "Buffer");
43          Args.notNull(socketAddress, "Socket address");
44          if (socketAddress instanceof InetSocketAddress) {
45              final InetSocketAddress socketaddr = ((InetSocketAddress) socketAddress);
46              final InetAddress inetaddr = socketaddr.getAddress();
47              buffer.append(inetaddr != null ? inetaddr.getHostAddress() : inetaddr)
48                  .append(':').append(socketaddr.getPort());
49          } else {
50              buffer.append(socketAddress);
51          }
52      }
53  
54  }