/**
 * <copyright> Copyright 2006 by Know-Center, Graz, Austria </copyright>
 * PDF-AS has been contracted by the E-Government Innovation Center EGIZ, a
 * joint initiative of the Federal Chancellery Austria and Graz University of
 * Technology.
 *
 * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by
 * the European Commission - subsequent versions of the EUPL (the "Licence");
 * You may not use this work except in compliance with the Licence.
 * You may obtain a copy of the Licence at:
 * http://www.osor.eu/eupl/
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the Licence is distributed on an "AS IS" basis,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the Licence for the specific language governing permissions and
 * limitations under the Licence.
 *
 * This product combines work with different licenses. See the "NOTICE" text
 * file for details on the various modules and licenses.
 * The "NOTICE" text file is part of the distribution. Any derivative works
 * that you distribute must include a readable copy of the "NOTICE" text file.
 */
package at.knowcenter.wag.egov.egiz.sig.signatureobject;

import at.gv.egiz.pdfas.exceptions.ErrorCode;
import at.knowcenter.wag.egov.egiz.PdfASID;
import at.knowcenter.wag.egov.egiz.exceptions.SignatureException;
import at.knowcenter.wag.egov.egiz.exceptions.SignatureTypesException;
import at.knowcenter.wag.egov.egiz.sig.SignatureObject;
import at.knowcenter.wag.egov.egiz.sig.X509Cert;
import at.knowcenter.wag.egov.egiz.sig.connectors.bku.SignSignatureObject;

/**
 * Contains helper methods for dealing with signature objects.
 * 
 * @author wprinz
 *
 */
public final class SignatureObjectHelper
{

  public static SignatureObject convertSignSignatureObjectToSignatureObject (SignSignatureObject sso, String signature_type) throws SignatureTypesException, SignatureException
  {
    SignatureObject so = new SignatureObject();
    so.setSigType(signature_type);
    so.initByType();
    so.setSignationDate(sso.getDate());
    so.setSignationIssuer(sso.getIssuer());
    so.setSignationSerialNumber(sso.getSerialNumber());
    so.setSignationValue(sso.getSignatureValue());
    so.setSignationIDs(sso.getSigID());
    so.setKZ(new PdfASID(sso.getSigKZ()));
    so.setSignationName(sso.getName());
    
    so.setSigAlg(sso.getSigAlgorithm());
    
    so.setX509Certificate(sso.getX509Certificate());

    return so;
  }
  
  public static SignSignatureObject convertSignatureObjectToSignSignatureObject (SignatureObject so) throws SignatureException
  {
    SignSignatureObject sso = new SignSignatureObject();
    sso.date = so.getSignationDate();
    sso.signatureValue = so.getSignationValue();
    sso.issuer = so.getSignationIssuer();
    X509Cert cert = so.getX509Cert();
    if (cert == null)
    {
      throw new SignatureException(ErrorCode.CERTIFICATE_NOT_FOUND, "so.getX509Cert returned null. No cert found.");
    }
    sso.x509Certificate = cert.getX509Certificate();
    sso.id = so.getSignationIds();
    sso.kz = so.getKZ() == null ? null : so.getKZ().toString();
    sso.sigAlgorithm = so.getSigAlg();

    return sso;
  }
}