1   /*
2    * Copyright (C) 2013 The Guava Authors
3    *
4    * Licensed under the Apache License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    *
8    * http://www.apache.org/licenses/LICENSE-2.0
9    *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   * See the License for the specific language governing permissions and
14   * limitations under the License.
15   */
16  
17  package com.google.thirdparty.publicsuffix;
18  
19  import com.google.common.annotations.GwtCompatible;
20  
21  /**
22   * Specifies the type of a top-level domain definition.
23   */
24  @GwtCompatible
25  enum PublicSuffixType {
26  
27    /** private definition of a top-level domain */
28    PRIVATE(':', ','),
29    /** ICANN definition of a top-level domain */
30    ICANN('!', '?');
31  
32    /** The character used for an inner node in the trie encoding */
33    private final char innerNodeCode;
34  
35    /** The character used for a leaf node in the trie encoding */
36    private final char leafNodeCode;
37  
38    private PublicSuffixType(char innerNodeCode, char leafNodeCode) {
39      this.innerNodeCode = innerNodeCode;
40      this.leafNodeCode = leafNodeCode;
41    }
42  
43    char getLeafNodeCode() {
44      return leafNodeCode;
45    }
46  
47    char getInnerNodeCode() {
48      return innerNodeCode;
49    }
50  
51    /** Returns a PublicSuffixType of the right type according to the given code */
52    static PublicSuffixType fromCode(char code) {
53      for (PublicSuffixType value : values()) {
54        if (value.getInnerNodeCode() == code || value.getLeafNodeCode() == code) {
55          return value;
56        }
57      }
58      throw new IllegalArgumentException("No enum corresponding to given code: " + code);
59    }
60  
61    static PublicSuffixType fromIsPrivate(boolean isPrivate) {
62      return isPrivate ? PRIVATE : ICANN;
63    }
64  }