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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    *      http://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  package org.apache.logging.log4j.nosql.appender;
18  
19  import java.util.ArrayList;
20  import java.util.Arrays;
21  import java.util.HashMap;
22  import java.util.List;
23  import java.util.Map;
24  
25  /**
26   * Default implementation of {@link org.apache.logging.log4j.nosql.appender.NoSqlObject}. Most NoSQL Java APIs tend
27   * to re-use the Map interface for storage and retrieval of the underlying JSON documents. Therefore, this
28   * implementation is provided for convenience.
29   */
30  public class DefaultNoSqlObject implements NoSqlObject<Map<String, Object>> {
31  
32      private final Map<String, Object> map;
33  
34      public DefaultNoSqlObject() {
35          this.map = new HashMap<String, Object>();
36      }
37  
38      @Override
39      public void set(final String field, final Object value) {
40          this.map.put(field, value);
41      }
42  
43      @Override
44      public void set(final String field, final NoSqlObject<Map<String, Object>> value) {
45          this.map.put(field, value.unwrap());
46      }
47  
48      @Override
49      public void set(final String field, final Object[] values) {
50          this.map.put(field, Arrays.asList(values));
51      }
52  
53      @Override
54      public void set(final String field, final NoSqlObject<Map<String, Object>>[] values) {
55          final List<Map<String, Object>> list = new ArrayList<Map<String, Object>>(values.length);
56          for (final NoSqlObject<Map<String, Object>> value : values) {
57              list.add(value.unwrap());
58          }
59          this.map.put(field, list);
60      }
61  
62      @Override
63      public Map<String, Object> unwrap() {
64          return this.map;
65      }
66  }