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}