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 */
017package org.apache.logging.log4j.core.appender.nosql;
018
019import java.util.ArrayList;
020import java.util.Arrays;
021import java.util.HashMap;
022import java.util.List;
023import java.util.Map;
024
025/**
026 * Default implementation of {@link 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 */
030public class DefaultNoSqlObject implements NoSqlObject<Map<String, Object>> {
031
032    private final Map<String, Object> map;
033
034    public DefaultNoSqlObject() {
035        this.map = new HashMap<>();
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<>(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}