Java tutorial
/* * DSS - Digital Signature Services * * Copyright (C) 2011 European Commission, Directorate-General Internal Market and Services (DG MARKT), B-1049 Bruxelles/Brussel * * Developed by: 2011 ARHS Developments S.A. (rue Nicolas Bov 2B, L-1253 Luxembourg) http://www.arhs-developments.com * * This file is part of the "DSS - Digital Signature Services" project. * * "DSS - Digital Signature Services" is free software: you can redistribute it and/or modify it under the terms of * the GNU Lesser General Public License as published by the Free Software Foundation, either version 2.1 of the * License, or (at your option) any later version. * * DSS is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License along with * "DSS - Digital Signature Services". If not, see <http://www.gnu.org/licenses/>. */ package eu.europa.ec.markt.dss.validation.pades; import eu.europa.ec.markt.dss.validation.ades.SignatureOCSPSource; import java.io.IOException; import java.util.ArrayList; import java.util.List; import java.util.logging.Logger; import org.bouncycastle.ocsp.BasicOCSPResp; import org.bouncycastle.ocsp.OCSPException; import org.bouncycastle.ocsp.OCSPResp; import com.lowagie.text.pdf.PRStream; import com.lowagie.text.pdf.PdfArray; import com.lowagie.text.pdf.PdfDictionary; import com.lowagie.text.pdf.PdfName; import com.lowagie.text.pdf.PdfReader; import com.lowagie.text.pdf.PdfStream; /** * OCSPSource that will retrieve the OCSPResp from a PAdES Signature * * * @version $Revision: 1867 $ - $Date: 2013-04-08 13:44:56 +0200 (Mon, 08 Apr 2013) $ */ public class PAdESOCSPSource extends SignatureOCSPSource { private Logger LOG = Logger.getLogger(PAdESOCSPSource.class.getName()); private PdfDictionary catalog; /** * The default constructor for PAdESOCSPSource. * @param pdfReader */ public PAdESOCSPSource(PdfReader pdfReader) { this(pdfReader.getCatalog()); } /** * The default constructor for PAdESOCSPSource. * @param catalog */ public PAdESOCSPSource(PdfDictionary catalog) { this.catalog = catalog; } @Override public List<BasicOCSPResp> getOCSPResponsesFromSignature() { try { List<BasicOCSPResp> ocsps = new ArrayList<BasicOCSPResp>(); PdfDictionary dss = catalog.getAsDict(new PdfName("DSS")); if (dss != null) { PdfArray ocspArray = dss.getAsArray(new PdfName("OCSPs")); if (ocspArray != null) { for (int i = 0; i < ocspArray.size(); i++) { PdfStream stream = ocspArray.getAsStream(i); ocsps.add((BasicOCSPResp) new OCSPResp(PdfReader.getStreamBytes((PRStream) stream)) .getResponseObject()); } } } return ocsps; } catch (OCSPException ex) { throw new RuntimeException(ex); } catch (IOException ex) { throw new RuntimeException(ex); } } }