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.db.jdbc;
018
019import java.sql.Connection;
020import java.sql.SQLException;
021
022/**
023 * Configuration element for {@link JdbcAppender}. If you want to use the {@link JdbcAppender} but none of the provided
024 * connection sources meet your needs, you can simply create your own connection source.
025 */
026public interface ConnectionSource {
027    /**
028     * This should return a new connection every time it is called.
029     *
030     * @return the SQL connection object.
031     * @throws SQLException if a database error occurs.
032     */
033    Connection getConnection() throws SQLException;
034
035    /**
036     * All implementations must override {@link Object#toString()} to provide information about the connection
037     * configuration (obscuring passwords with one-way hashes).
038     *
039     * @return the string representation of this connection source.
040     */
041    @Override
042    String toString();
043}