001/* 002 * Copyright (C) 2014 konik.io 003 * 004 * This file is part of Konik library. 005 * 006 * Konik library is free software: you can redistribute it and/or modify 007 * it under the terms of the GNU Affero General Public License as published by 008 * the Free Software Foundation, either version 3 of the License, or 009 * (at your option) any later version. 010 * 011 * Konik library is distributed in the hope that it will be useful, 012 * but WITHOUT ANY WARRANTY; without even the implied warranty of 013 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 014 * GNU Affero General Public License for more details. 015 * 016 * You should have received a copy of the GNU Affero General Public License 017 * along with Konik library. If not, see <http://www.gnu.org/licenses/>. 018 */ 019package io.konik.harness; 020 021import io.konik.zugferd.Invoice; 022 023import java.io.InputStream; 024 025/** 026 * The Invoice Extractor interface. A PDF Carriage implement this interface to extract a Invoice model from a PDF. 027 */ 028public interface InvoiceExtractor { 029 030 /** 031 * Extract invoice from a PDF. 032 * 033 * @param pdf the pdf 034 * @return the extracted invoice model. 035 */ 036 Invoice extract(final byte[] pdf); 037 038 /** 039 * Extract invoice from PDF stream. 040 * 041 * @param pdf the pdf 042 * @return the extracted invoice model. 043 */ 044 Invoice extract(final InputStream pdf); 045 046}