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.applet; import eu.europa.ec.markt.dss.applet.model.SignatureWizardModel; import eu.europa.ec.markt.dss.applet.model.WizardUsage; import eu.europa.ec.markt.dss.applet.wizard.WizardApplet; import eu.europa.ec.markt.dss.common.SignatureTokenType; import eu.europa.ec.markt.dss.signature.SignaturePolicy; import java.util.logging.Logger; import javax.swing.JFrame; import javax.swing.SwingUtilities; import javax.swing.UIManager; import javax.swing.UIManager.LookAndFeelInfo; import org.apache.commons.codec.binary.Base64; /** * Wrap in a applet the wizards of signature creation/verification/extension. * * * @version $Revision: 1867 $ - $Date: 2013-04-08 13:44:56 +0200 (Mon, 08 Apr 2013) $ */ @SuppressWarnings("serial") public class SignatureApplet extends WizardApplet { private static final Logger LOG = Logger.getLogger(SignatureApplet.class.getName()); private SignatureWizardModel model = new SignatureWizardModel(); private static final String PRECONFIGURED_TOKEN_TYPE = "token_type"; private static final String SIGNATURE_POLICY = "signature_policy"; private static final String SIGNATURE_POLICY_ALGO = "signature_policy_algo"; private static final String SIGNATURE_POLICY_HASH = "signature_policy_hash"; private static final String STRICT_RFC3370 = "strict_rfc3370"; private static String getResourceString(String name) { return java.util.ResourceBundle.getBundle("eu/europa/ec/markt/dss/applet/i18n").getString(name); } @Override public void init() { String lang = getParameter("lang"); if ("nl".equals(lang)) { java.util.Locale.setDefault(new java.util.Locale("nl", "NL")); } else { java.util.Locale.setDefault(new java.util.Locale("en", "EN")); } BACK_TEXT = getResourceString("BACK"); NEXT_TEXT = getResourceString("NEXT"); FINISH_TEXT = getResourceString("FINISH"); CANCEL_TEXT = getResourceString("CANCEL"); super.init(); model.setServiceUrl(getParameter("serviceUrl")); if (getParameter("pkcs12File") != null) { model.setPkcs12FilePath(getParameter("pkcs12File")); } if (getParameter("pkcs11Library") != null) { model.setPkcs11LibraryPath(getParameter("pkcs11Library")); } if (getParameter(PRECONFIGURED_TOKEN_TYPE) != null) { SignatureTokenType type = SignatureTokenType.valueOf(getParameter(PRECONFIGURED_TOKEN_TYPE)); model.setTokenType(type); model.setPreconfiguredTokenType(true); } if (getParameter(SIGNATURE_POLICY) != null) { String value = getParameter(SIGNATURE_POLICY); if (SignaturePolicy.IMPLICIT.equals(value)) { model.setSignaturePolicyType(SignaturePolicy.IMPLICIT); } else { model.setSignaturePolicyType(SignaturePolicy.EXPLICIT); model.setSignaturePolicy(value); model.setSignaturePolicyAlgo(getParameter(SIGNATURE_POLICY_ALGO)); model.setSignaturePolicyValue(Base64.decodeBase64(getParameter(SIGNATURE_POLICY_HASH))); } } if (getParameter(STRICT_RFC3370) != null) { String value = getParameter(STRICT_RFC3370); try { model.setStrictRFC3370Compliance(Boolean.parseBoolean(value)); } catch (Exception ex) { LOG.warning( "Invalid value of " + STRICT_RFC3370 + " stick to " + model.isStrictRFC3370Compliance()); } } try { for (LookAndFeelInfo info : UIManager.getInstalledLookAndFeels()) { if (info.getName().equals("Nimbus")) { UIManager.setLookAndFeel(info.getClassName()); SwingUtilities.updateComponentTreeUI(this); } } } catch (Exception exception) { LOG.warning("Look and feel Nimbus cannot be installed"); } String usage = getParameter("usage"); if (usage == null) { usage = "all"; } if (usage.equalsIgnoreCase("all")) { registerWizardPanel(new ActivityPanel(model)); registerWizardPanel(new SelectDocumentForSignaturePanel(model)); registerWizardPanel(new ChooseSignaturePanel(model)); registerWizardPanel(new SignatureTokenAPIPanel(model)); registerWizardPanel(new PKCS11ParamsPanel(model)); registerWizardPanel(new PKCS12ParamsPanel(model)); registerWizardPanel(new MOCCAParamsPanel(model)); registerWizardPanel(new ChooseCertificatePanel(model)); registerWizardPanel(new PersonalDataPanel(model)); registerWizardPanel(new SaveDocumentPanel(model)); registerWizardPanel(new WizardFinishedPanel(model)); registerWizardPanel(new SelectDocumentForVerificationPanel(model)); registerWizardPanel(new SignatureValidationReportPanel(model)); registerWizardPanel(new SelectDocumentForExtensionPanel(model)); setInitialPanel(ActivityPanel.ID); setCurrentPanel(ActivityPanel.ID, true); } else if (usage.equalsIgnoreCase("sign")) { registerWizardPanel(new SelectDocumentForSignaturePanel(model)); registerWizardPanel(new ChooseSignaturePanel(model)); registerWizardPanel(new SignatureTokenAPIPanel(model)); registerWizardPanel(new PKCS11ParamsPanel(model)); registerWizardPanel(new PKCS12ParamsPanel(model)); registerWizardPanel(new MOCCAParamsPanel(model)); registerWizardPanel(new ChooseCertificatePanel(model)); registerWizardPanel(new PersonalDataPanel(model)); registerWizardPanel(new SaveDocumentPanel(model)); registerWizardPanel(new WizardFinishedPanel(model)); setInitialPanel(SelectDocumentForSignaturePanel.ID); setCurrentPanel(SelectDocumentForSignaturePanel.ID, true); model.setWizardUsage(WizardUsage.SIGN); model.setUsageParameterFound(true); setNextFinishButtonEnabled(true); } else if (!isUsageParameterValid(usage) || usage.equalsIgnoreCase("verify")) { registerWizardPanel(new SelectDocumentForVerificationPanel(model)); registerWizardPanel(new SignatureValidationReportPanel(model)); setInitialPanel(SelectDocumentForVerificationPanel.ID); setCurrentPanel(SelectDocumentForVerificationPanel.ID, true); model.setWizardUsage(WizardUsage.VERIFY); model.setUsageParameterFound(true); setNextFinishButtonEnabled(true); } else if (usage.equalsIgnoreCase("extend")) { registerWizardPanel(new SelectDocumentForExtensionPanel(model)); setInitialPanel(SelectDocumentForExtensionPanel.ID); setCurrentPanel(SelectDocumentForExtensionPanel.ID, true); model.setWizardUsage(WizardUsage.EXTEND); model.setUsageParameterFound(true); setNextFinishButtonEnabled(true); } registerWizardPanel(new ErrorPanel(model)); setFinishedId(WizardFinishedPanel.ID); setErrorPanel(ErrorPanel.ID); } private boolean isUsageParameterValid(String value) { boolean result = false; if (value != null && value.length() > 0) { String tmpValue = value.toUpperCase(); result = tmpValue.matches("SIGN|VERIFY|EXTEND|ALL"); } return result; } }