/**
 * 
 */
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;
  }
}