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1   /*
2    *  Licensed to the Apache Software Foundation (ASF) under one
3    *  or more contributor license agreements.  See the NOTICE file
4    *  distributed with this work for additional information
5    *  regarding copyright ownership.  The ASF licenses this file
6    *  to you under the Apache License, Version 2.0 (the
7    *  "License"); you may not use this file except in compliance
8    *  with the License.  You may obtain a copy of the License at
9    *
10   *    http://www.apache.org/licenses/LICENSE-2.0
11   *
12   *  Unless required by applicable law or agreed to in writing,
13   *  software distributed under the License is distributed on an
14   *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15   *  KIND, either express or implied.  See the License for the
16   *  specific language governing permissions and limitations
17   *  under the License.
18   *
19   */
20  package org.apache.mina.integration.beans;
21  
22  import java.beans.PropertyEditor;
23  import java.net.InetSocketAddress;
24  
25  /**
26   * A {@link PropertyEditor} which converts a {@link String} into an
27   * {@link InetSocketAddress}. Valid values include a hostname or IP
28   * address and a port number separated by a ':'. If the hostname or IP address
29   * is omitted the wildcard address will be used. E.g.:
30   * <code>google.com:80</code>, <code>:22</code>, <code>192.168.0.1:110</code>.
31   *
32   * @author <a href="http://mina.apache.org">Apache MINA Project</a>
33   *
34   * @see java.net.InetSocketAddress
35   */
36  public class InetSocketAddressEditor extends AbstractPropertyEditor {
37  
38      @Override
39      protected String toText(Object value) {
40          InetSocketAddress addr = ((InetSocketAddress) value);
41          String hostname;
42          if (addr.getAddress() != null) {
43              hostname = addr.getAddress().getHostAddress();
44          } else {
45              hostname = addr.getHostName();
46          }
47  
48          if (hostname.equals("0:0:0:0:0:0:0:0") || hostname.equals("0.0.0.0")
49                  || hostname.equals("00:00:00:00:00:00:00:00")) {
50              hostname = "*";
51          }
52  
53          return hostname + ':' + addr.getPort();
54      }
55  
56      @Override
57      protected Object toValue(String text) throws IllegalArgumentException {
58          if (text.length() == 0) {
59              return defaultValue();
60          }
61  
62          int colonIndex = text.lastIndexOf(":");
63          if (colonIndex > 0) {
64              String host = text.substring(0, colonIndex);
65              if (!"*".equals(host)) {
66                  int port = parsePort(text.substring(colonIndex + 1));
67                  return new InetSocketAddress(host, port);
68              }
69          }
70  
71          int port = parsePort(text.substring(colonIndex + 1));
72          return new InetSocketAddress(port);
73      }
74  
75      @Override
76      protected String defaultText() {
77          return "*:0";
78      }
79  
80      @Override
81      protected Object defaultValue() {
82          return new InetSocketAddress(0);
83      }
84  
85      private int parsePort(String s) {
86          try {
87              return Integer.parseInt(s);
88          } catch (NumberFormatException nfe) {
89              throw new IllegalArgumentException("Illegal port number: " + s);
90          }
91      }
92  }