Source Code for Apache Log4j Core Implementation

Apache Log4j Core Implementation provides the functional components of the logging system. Users are free to create their own plugins and include them in the logging configuration. Apache Log4j Core is a required module to use Apache Log4j.

Bytecode (Java 8) for Apache Log4j Core Implementation is provided in a separate JAR file like log4j-core-2.14.1.jar.

Source Code files for Apache Log4j API are provided in both binary packge like apache-log4j-2.14.1-bin.zip and source package like apache-log4j-2.14.1-src.zip. You can download them at Apache Log4j Website.

You can also browse Source Code files for Apache Log4j Core Implementation 2.14.1 below.

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org/apache/logging/log4j/core/appender/db/jdbc/ConnectionSource.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.core.appender.db.jdbc;

import java.sql.Connection;
import java.sql.SQLException;

import org.apache.logging.log4j.core.LifeCycle;

/**
 * Configuration element for {@link JdbcAppender}. If you want to use the {@link JdbcAppender} but none of the provided
 * connection sources meet your needs, you can simply create your own connection source.
 */
public interface ConnectionSource extends LifeCycle {

    /**
     * This should return a new connection every time it is called.
     *
     * @return the SQL connection object.
     * @throws SQLException if a database error occurs.
     */
    Connection getConnection() throws SQLException;

    /**
     * All implementations must override {@link Object#toString()} to provide information about the connection
     * configuration (obscuring passwords with one-way hashes).
     *
     * @return the string representation of this connection source.
     */
    @Override
    String toString();
}

org/apache/logging/log4j/core/appender/db/jdbc/ConnectionSource.java

 

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