1 /***************************************************************** 2 * Licensed to the Apache Software Foundation (ASF) under one * 3 * or more contributor license agreements. See the NOTICE file * 4 * distributed with this work for additional information * 5 * regarding copyright ownership. The ASF licenses this file * 6 * to you under the Apache License, Version 2.0 (the * 7 * "License"); you may not use this file except in compliance * 8 * with the License. You may obtain a copy of the License at * 9 * * 10 * http://www.apache.org/licenses/LICENSE-2.0 * 11 * * 12 * Unless required by applicable law or agreed to in writing, * 13 * software distributed under the License is distributed on an * 14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * 15 * KIND, either express or implied. See the License for the * 16 * specific language governing permissions and limitations * 17 * under the License. * 18 ****************************************************************/ 19 20 package org.apache.james.nntpserver.repository; 21 22 import java.io.InputStream; 23 import java.util.Date; 24 import java.util.Iterator; 25 26 /*** 27 * Abstraction of entire NNTP Repository. 28 */ 29 public interface NNTPRepository { 30 31 /*** 32 * Gets the group with the specified name from within the repository. 33 * 34 * @param groupName the name of the group to retrieve 35 * 36 * @return the group 37 */ 38 NNTPGroup getGroup(String groupName); 39 40 /*** 41 * Gets the article with the specified id from within the repository. 42 * 43 * @param id the id of the article to retrieve 44 * 45 * @return the article 46 */ 47 NNTPArticle getArticleFromID(String id); 48 49 /*** 50 * Creates an article in the repository from the data in the reader. 51 * TODO: Change this to be more OO and pass in a MimeMessage 52 * 53 * @param in the InputStream that serves as a source for the message data. 54 */ 55 void createArticle(InputStream in); 56 57 /*** 58 * Gets all groups that match the wildmat string 59 * 60 * @param wildmat the wildmat parameter 61 * 62 * @return an iterator containing the groups retrieved 63 */ 64 Iterator getMatchedGroups(String wildmat); 65 66 /*** 67 * Gets all groups added since the specified date 68 * 69 * @param dt the Date that serves as a lower bound 70 * 71 * @return an iterator containing the groups retrieved 72 */ 73 Iterator getGroupsSince(Date dt); 74 75 /*** 76 * Gets all articles posted since the specified date 77 * 78 * @param dt the Date that serves as a lower bound 79 * 80 * @return an iterator containing the articles retrieved 81 */ 82 Iterator getArticlesSince(Date dt); 83 84 /*** 85 * Returns whether this repository is read only. 86 * 87 * @return whether this repository is read only 88 */ 89 boolean isReadOnly(); 90 91 /*** 92 * Returns the ordered array of header names (including the trailing colon on each) 93 * returned in overview format for articles stored in this repository. 94 */ 95 String[] getOverviewFormat(); 96 97 }