001    /*
002     * Licensed to the Apache Software Foundation (ASF) under one or more
003     * contributor license agreements. See the NOTICE file distributed with
004     * this work for additional information regarding copyright ownership.
005     * The ASF licenses this file to You under the Apache license, Version 2.0
006     * (the "License"); you may not use this file except in compliance with
007     * the License. You may obtain a copy of the License at
008     *
009     *      http://www.apache.org/licenses/LICENSE-2.0
010     *
011     * Unless required by applicable law or agreed to in writing, software
012     * distributed under the License is distributed on an "AS IS" BASIS,
013     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014     * See the license for the specific language governing permissions and
015     * limitations under the license.
016     */
017    package org.apache.logging.log4j.nosql.appender;
018    
019    import java.util.ArrayList;
020    import java.util.Arrays;
021    import java.util.HashMap;
022    import java.util.List;
023    import java.util.Map;
024    
025    /**
026     * Default implementation of {@link org.apache.logging.log4j.nosql.appender.NoSqlObject}. Most NoSQL Java APIs tend
027     * to re-use the Map interface for storage and retrieval of the underlying JSON documents. Therefore, this
028     * implementation is provided for convenience.
029     */
030    public class DefaultNoSqlObject implements NoSqlObject<Map<String, Object>> {
031    
032        private final Map<String, Object> map;
033    
034        public DefaultNoSqlObject() {
035            this.map = new HashMap<String, Object>();
036        }
037    
038        @Override
039        public void set(final String field, final Object value) {
040            this.map.put(field, value);
041        }
042    
043        @Override
044        public void set(final String field, final NoSqlObject<Map<String, Object>> value) {
045            this.map.put(field, value.unwrap());
046        }
047    
048        @Override
049        public void set(final String field, final Object[] values) {
050            this.map.put(field, Arrays.asList(values));
051        }
052    
053        @Override
054        public void set(final String field, final NoSqlObject<Map<String, Object>>[] values) {
055            final List<Map<String, Object>> list = new ArrayList<Map<String, Object>>(values.length);
056            for (final NoSqlObject<Map<String, Object>> value : values) {
057                list.add(value.unwrap());
058            }
059            this.map.put(field, list);
060        }
061    
062        @Override
063        public Map<String, Object> unwrap() {
064            return this.map;
065        }
066    }