/*
 * <copyright>
 *  Copyright (c) 2006 by Know-Center, Graz, Austria
 * </copyright>
 *
 *  This software is the confidential and proprietary information of Know-Center,
 *  Graz, Austria. You shall not disclose such Confidential Information and shall 
 *  use it only in accordance with the terms of the license agreement you entered 
 *  into with Know-Center.
 *
 *  KNOW-CENTER MAKES NO REPRESENTATIONS OR WARRANTIES ABOUT THE SUITABILITY OF THE
 *  SOFTWARE, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
 *  IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, 
 *  OR NON-INFRINGEMENT. KNOW-CENTER SHALL NOT BE LIABLE FOR ANY DAMAGES
 *  SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR DISTRIBUTING
 *  THIS SOFTWARE OR ITS DERIVATIVES.
 * 
 * $Id: PDFSignatureObject.java,v 1.3 2006/10/31 08:09:33 wprinz Exp $
 */
package at.knowcenter.wag.egov.egiz.pdf;

import at.knowcenter.wag.egov.egiz.exceptions.PDFDocumentException;
import at.knowcenter.wag.egov.egiz.sig.SignatureObject;

/**
 * Defines an interface to get access to PDF documents. There exists many open source libraries and
 * commercial libraries.
 * 
 * @author wlackner
 */
public interface PDFSignatureObject {
  public void setSignatorObject(SignatureObject signatorObject);

  /**
   * Converts the current abstract signature object in a pdf signature object implementation
   * 
   * @return the converted pdf signature object
   * @throws PDFDocumentException
   */
  public Object getSignatureObject() throws PDFDocumentException;

  /**
   * Converts a abstract signature object in a pdf signature object implementation
   * 
   * @param signatorObject the abstract signatorObject to convert
   * @return the converted pdf signature object
   * @throws PDFDocumentException
   */
  public Object getSignatureObject(SignatureObject signatorObject) throws PDFDocumentException;
}