View Javadoc
1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one or more
3    * contributor license agreements. See the NOTICE file distributed with
4    * this work for additional information regarding copyright ownership.
5    * The ASF licenses this file to You under the Apache license, Version 2.0
6    * (the "License"); you may not use this file except in compliance with
7    * the License. You may obtain a copy of the License at
8    *
9    *      https://www.apache.org/licenses/LICENSE-2.0
10   *
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS,
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   * See the license for the specific language governing permissions and
15   * limitations under the license.
16   */
17  
18  package org.apache.commons.text.lookup;
19  
20  import java.net.InetAddress;
21  
22  /**
23   * Constants for referring to {@link InetAddress} APIs.
24   * <p>
25   * Public access is through {@link StringLookupFactory}.
26   * </p>
27   *
28   * @see StringLookupFactory
29   * @since 1.8
30   */
31  final class InetAddressKeys {
32  
33      /**
34       * Constants for referring to {@link InetAddress#getAddress()}.
35       */
36      static final String KEY_ADDRESS = "address";
37  
38      /**
39       * Constants for referring to {@link InetAddress#getCanonicalHostName()}.
40       */
41      static final String KEY_CANONICAL_NAME = "canonical-name";
42  
43      /**
44       * Constants for referring to {@link InetAddress#getHostName()}.
45       */
46      static final String KEY_NAME = "name";
47  
48      private InetAddressKeys() {
49          // noop
50      }
51  }