/**
 * <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.gv.egiz.pdfas.impl.api.commons;

import java.security.cert.X509Certificate;
import java.util.Date;
import java.util.List;

import at.gv.egiz.pdfas.api.commons.Constants;
import at.gv.egiz.pdfas.api.commons.SignatureInformation;
import at.gv.egiz.pdfas.api.io.DataSource;
import at.knowcenter.wag.egov.egiz.pdf.BinarySignatureHolder;
import at.knowcenter.wag.egov.egiz.pdf.EGIZDate;
import at.knowcenter.wag.egov.egiz.pdf.SignatureHolder;

/**
 * Adapter that converts a framework SignatureHolder to an API
 * SignatureInformation.
 * 
 * @author wprinz
 */
public class SignatureInformationAdapter implements SignatureInformation
{
  /**
   * The framework SignatureHolder to be adapted to an API SignatureInformation.
   */
  protected SignatureHolder signatureHolder = null;
  
  protected String timeStamp = null;
  
  protected List nonTextualObjects = null;

  /**
   * Constructor.
   * 
   * @param signatureHolder
   *          The framework SignatureHolder to be adapted to an API
   *          SignatureInformation.
   */
  public SignatureInformationAdapter(SignatureHolder signatureHolder)
  {
    this.signatureHolder = signatureHolder;    
    if (signatureHolder instanceof BinarySignatureHolder) {
       this.timeStamp = ((BinarySignatureHolder)signatureHolder).getSignatureObject().getTimeStamp();
    }    
  }

  /**
   * @see at.gv.egiz.pdfas.api.commons.SignatureInformation#getSignedData()
   */
  public DataSource getSignedData()
  {
    return new DataSourceApiAdapter(this.signatureHolder.getDataSource());
  }

  /**
   * @see at.gv.egiz.pdfas.api.commons.SignatureInformation#getInternalSignatureInformation()
   */
  public Object getInternalSignatureInformation()
  {
    return this.signatureHolder;
  }

  /**
   * @see at.gv.egiz.pdfas.api.commons.SignatureInformation#getSignatureType()
   */
  public String getSignatureType()
  {
    if (this.signatureHolder.getSignatureObject().isBinary())
    {
      return Constants.SIGNATURE_TYPE_BINARY;
    }
    return Constants.SIGNATURE_TYPE_TEXTUAL;
  }


  /**
   * @see at.gv.egiz.pdfas.api.commons.SignatureInformation#getSignerCertificate()
   */
  public X509Certificate getSignerCertificate()
  {
    return this.signatureHolder.getSignatureObject().getX509Cert().getX509Certificate();
  }

  /**
   * @see at.gv.egiz.pdfas.api.commons.SignatureInformation#getSigningTime()
   */
  public Date getSigningTime()
  {
    String date_value = this.signatureHolder.getSignatureObject().getSignationDate();
    Date date = EGIZDate.parseDateFromString(date_value);
    return date;
  }

   public String getTimeStampValue() {
      return this.timeStamp;
   }

   public List getNonTextualObjects() {
      return this.nonTextualObjects;
   }

   public boolean hasNonTextualObjects() {
      return this.nonTextualObjects != null && this.nonTextualObjects.size() > 0;
   }

   public void setNonTextualObjects(List nonTextualObjects) {
      this.nonTextualObjects = nonTextualObjects;      
   }

  
}