    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 */
    017
    018package org.apache.commons.net.ftp.parser;
    019
    020import org.apache.commons.net.ftp.FTPClientConfig;
    021import org.apache.commons.net.ftp.FTPFileEntryParser;
    022
    023/**
    024 * The interface describes a factory for creating FTPFileEntryParsers.
    025 *
    026 * @since 1.2
    027 */
    028public interface FTPFileEntryParserFactory {
    029    /**
    030     * <p>
    031     * Implementation should be a method that extracts a key from the supplied {@link FTPClientConfig FTPClientConfig} parameter and creates an object
    032     * implementing the interface FTPFileEntryParser and uses the supplied configuration to configure it.
    033     * </p>
    034     * <p>
    035     * Note that this method will generally not be called in scenarios that call for autodetection of parser type but rather, for situations where the user
    036     * knows that the server uses a non-default configuration and knows what that configuration is.
    037     * </p>
    038     *
    039     * @param config A {@link FTPClientConfig FTPClientConfig} used to configure the parser created
    040     *
    041     * @return the @link FTPFileEntryParser FTPFileEntryParser} so created.
    042     * @throws ParserInitializationException Thrown on any exception in instantiation
    043     * @since 1.4
    044     */
    045    FTPFileEntryParser createFileEntryParser(FTPClientConfig config) throws ParserInitializationException;
    046
    047    /**
    048     * Implementation should be a method that decodes the supplied key and creates an object implementing the interface FTPFileEntryParser.
    049     *
    050     * @param key A string that somehow identifies an FTPFileEntryParser to be created.
    051     *
    052     * @return the FTPFileEntryParser created.
    053     * @throws ParserInitializationException Thrown on any exception in instantiation
    054     */
    055    FTPFileEntryParser createFileEntryParser(String key) throws ParserInitializationException;
    056
    057}