001/* 002 * #%L 003 * Netarchivesuite - harvester 004 * %% 005 * Copyright (C) 2005 - 2014 The Royal Danish Library, the Danish State and University Library, 006 * the National Library of France and the Austrian National Library. 007 * %% 008 * This program is free software: you can redistribute it and/or modify 009 * it under the terms of the GNU Lesser General Public License as 010 * published by the Free Software Foundation, either version 2.1 of the 011 * License, or (at your option) any later version. 012 * 013 * This program is distributed in the hope that it will be useful, 014 * but WITHOUT ANY WARRANTY; without even the implied warranty of 015 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 016 * GNU General Lesser Public License for more details. 017 * 018 * You should have received a copy of the GNU General Lesser Public 019 * License along with this program. If not, see 020 * <http://www.gnu.org/licenses/lgpl-2.1.html>. 021 * #L% 022 */ 023package dk.netarkivet.harvester.harvesting.frontier; 024 025/** 026 * Interface for a frontier report filter. 027 * <p> 028 * Such a filter takes a frontier report as input, and filters its lines to generate another frontier report. 029 */ 030public interface FrontierReportFilter { 031 032 /** 033 * Initialize the filter from arguments. 034 * 035 * @param args the arguments as strings. 036 */ 037 void init(String[] args); 038 039 /** 040 * Filters the given frontier report. 041 * 042 * @param initialFrontier the report to filter. 043 * @return a filtered frontier report. 044 */ 045 InMemoryFrontierReport process(FrontierReport initialFrontier); 046 047 /** 048 * Returns a unique identifier for this filter class. 049 * 050 * @return unique identifier for this filter class 051 */ 052 String getFilterId(); 053 054}