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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one or more
3    * contributor license agreements.  See the NOTICE file distributed with
4    * this work for additional information regarding copyright ownership.
5    * The ASF licenses this file to You under the Apache License, Version 2.0
6    * (the "License"); you may not use this file except in compliance with
7    * the License.  You may obtain a copy of the License at
8    *
9    *      http://www.apache.org/licenses/LICENSE-2.0
10   *
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS,
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   * See the License for the specific language governing permissions and
15   * limitations under the License.
16   */
17  
18  package org.apache.commons.net.ftp.parser;
19  
20  import org.apache.commons.net.ftp.FTPClientConfig;
21  import org.apache.commons.net.ftp.FTPFileEntryParser;
22  
23  /**
24   * The interface describes a factory for creating FTPFileEntryParsers.
25   *
26   * @since 1.2
27   */
28  public interface FTPFileEntryParserFactory {
29      /**
30       * <p>
31       * Implementation should be a method that extracts a key from the supplied {@link FTPClientConfig FTPClientConfig} parameter and creates an object
32       * implementing the interface FTPFileEntryParser and uses the supplied configuration to configure it.
33       * </p>
34       * <p>
35       * 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
36       * knows that the server uses a non-default configuration and knows what that configuration is.
37       * </p>
38       *
39       * @param config A {@link FTPClientConfig FTPClientConfig} used to configure the parser created
40       *
41       * @return the {@link FTPFileEntryParser} so created.
42       * @throws ParserInitializationException Thrown on any exception in instantiation
43       * @since 1.4
44       */
45      FTPFileEntryParser createFileEntryParser(FTPClientConfig config) throws ParserInitializationException;
46  
47      /**
48       * Implementation should be a method that decodes the supplied key and creates an object implementing the interface FTPFileEntryParser.
49       *
50       * @param key A string that somehow identifies an FTPFileEntryParser to be created.
51       *
52       * @return the FTPFileEntryParser created.
53       * @throws ParserInitializationException Thrown on any exception in instantiation
54       */
55      FTPFileEntryParser createFileEntryParser(String key) throws ParserInitializationException;
56  
57  }