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 apache-log4j-2.3-bin.zip and source package like apache-log4j-2.3-src.zip. You can download them at Apache Log4j Website.

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

⏎ org/apache/logging/log4j/nosql/appender/DefaultNoSqlObject.java

/*
 * 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
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * 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() {
        this.map = new HashMap<String, Object>();
    }

    @Override
    public void set(final String field, final Object value) {
        this.map.put(field, value);
    }

    @Override
    public void set(final String field, final NoSqlObject<Map<String, Object>> value) {
        this.map.put(field, value.unwrap());
    }

    @Override
    public void set(final String field, final Object[] values) {
        this.map.put(field, Arrays.asList(values));
    }

    @Override
    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.add(value.unwrap());
        }
        this.map.put(field, list);
    }

    @Override
    public Map<String, Object> unwrap() {
        return this.map;
    }
}

⏎ org/apache/logging/log4j/nosql/appender/DefaultNoSqlObject.java

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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