Source Code for Apache Log4j NoSQL Appenders

Apache Log4j NoSQL Appenders allows applications to send events to NoSQL repositories. To use it, you need both the log4j-nosql as well as the appropriate driver for your NoSQL database type.

Bytecode (Java 8) for Apache Log4j NoSQL Appenders is provided in a separate JAR file like log4j-nosql-2.3.jar.

Source Code files for Apache Log4j NoSQL Appenders are provided in both binary packge like and source package like You can download them at Apache Log4j Website.

You can also browse Source Code files for Apache Log4j NoSQL Appenders 2.3 below.



 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements. See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache license, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * See the license for the specific language governing permissions and
 * limitations under the license.
package org.apache.logging.log4j.nosql.appender;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

 * Default implementation of {@link org.apache.logging.log4j.nosql.appender.NoSqlObject}. Most NoSQL Java APIs tend
 * to re-use the Map interface for storage and retrieval of the underlying JSON documents. Therefore, this
 * implementation is provided for convenience.
public class DefaultNoSqlObject implements NoSqlObject<Map<String, Object>> {

    private final Map<String, Object> map;

    public DefaultNoSqlObject() { = new HashMap<String, Object>();

    public void set(final String field, final Object value) {, value);

    public void set(final String field, final NoSqlObject<Map<String, Object>> value) {, value.unwrap());

    public void set(final String field, final Object[] values) {, Arrays.asList(values));

    public void set(final String field, final NoSqlObject<Map<String, Object>>[] values) {
        final List<Map<String, Object>> list = new ArrayList<Map<String, Object>>(values.length);
        for (final NoSqlObject<Map<String, Object>> value : values) {
        }, list);

    public Map<String, Object> unwrap() {



Or download all of them as a single archive file:

File name: log4j-jmx-nosql-2.3-sources.jar
File size: 23448 bytes
Release date: 2020-07-03


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