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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.maven.index.creator;
20  
21  import java.util.ArrayList;
22  import java.util.Collections;
23  import java.util.List;
24  
25  import org.apache.maven.index.context.IndexCreator;
26  import org.slf4j.Logger;
27  import org.slf4j.LoggerFactory;
28  
29  /**
30   * An abstract base class for {@link IndexCreator} implementations.
31   *
32   * @author Jason van Zyl
33   */
34  public abstract class AbstractIndexCreator implements IndexCreator {
35  
36      private final Logger logger = LoggerFactory.getLogger(getClass());
37  
38      protected Logger getLogger() {
39          return logger;
40      }
41  
42      private final String id;
43  
44      private final List<String> creatorDependencies;
45  
46      protected AbstractIndexCreator(final String id) {
47          this(id, null);
48      }
49  
50      protected AbstractIndexCreator(final String id, final List<String> creatorDependencies) {
51          this.id = id;
52  
53          final ArrayList<String> deps = new ArrayList<>();
54  
55          if (creatorDependencies != null && !creatorDependencies.isEmpty()) {
56              deps.addAll(creatorDependencies);
57          }
58  
59          this.creatorDependencies = Collections.unmodifiableList(deps);
60      }
61  
62      public String getId() {
63          return id;
64      }
65  
66      public List<String> getCreatorDependencies() {
67          return creatorDependencies;
68      }
69  
70      public static String bos(boolean b) {
71          return b ? "1" : "0";
72      }
73  
74      public static boolean sob(String b) {
75          return b.equals("1");
76      }
77  }