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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  package org.apache.rat.license;
20  
21  /**
22   * The definition of the license family.
23   */
24  public interface ILicenseFamily extends Comparable<ILicenseFamily> {
25  
26      /** The category for generated files */
27      static final String GENTERATED_CATEGORY = "GEN  ";
28      
29      /** The category for unknown licenses */
30      static final String UNKNOWN_CATEGORY = "?????";
31  
32      /**
33       * Gets the family name.
34       * @return the license family name.
35       */
36      String getFamilyName();
37  
38      /**
39       * Gets the family category.
40       * @return the license family category.
41       */
42      String getFamilyCategory();
43  
44      /**
45       * Gets the Builder for license families.
46       * @return A builder for an ILicenseFamily.
47       */
48      static ILicenseFamily.Builder builder() {
49          return new ILicenseFamilyBuilder();
50      }
51  
52      /**
53       * Convert a potential category string into a category string of exactly 5
54       * characters either by truncating the string or appending spaces as necessary.
55       * 
56       * @param cat the string to convert.
57       * @return a string of exactly 5 characters.
58       */
59      static String makeCategory(String cat) {
60          return cat == null ? "     " : cat.concat("     ").substring(0, 5);
61      }
62  
63      @Override
64      default int compareTo(ILicenseFamily other) {
65          return getFamilyCategory().compareTo(other.getFamilyCategory());
66      }
67  
68      /**
69       * The definition of an ILicenseFamily builder.
70       */
71      interface Builder {
72          /**
73           * Sets the license family category. Will trim or extends the string with spaces
74           * to ensure that it is exactly 5 characters.
75           * 
76           * @param licenseFamilyCategory the category string
77           * @return this builder for chaining.
78           */
79          Builder setLicenseFamilyCategory(String licenseFamilyCategory);
80  
81          /**
82           * Sets the license family name.
83           * 
84           * @param licenseFamilyName the name string
85           * @return this builder for chaining.
86           */
87          Builder setLicenseFamilyName(String licenseFamilyName);
88  
89          /**
90           * Gets the category that this builder is building.
91           * 
92           * @return the category that this builder is building.
93           */
94          String getCategory();
95  
96          /**
97           * Builds the defined license family.
98           * @return a new ILicenseFamily instance.
99           */
100         ILicenseFamily build();
101     }
102 }