/**
 * <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: IncrementalUpdateInformation.java,v 1.2 2006/10/31 08:09:33 wprinz Exp $
 */
package at.knowcenter.wag.egov.egiz.pdf;

import java.io.Serializable;
import java.util.List;

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

/**
 * This parameter object contains all useful inforamtion the binary incremental
 * update methods need to create and replace a binary singature block.
 * 
 * <p>
 * This class is basically used to transport information about the document from
 * the prepareSign to the finishSign of the Signator. In future, this could be
 * extended and encapsulated to task proprietary IUI instances. E.g. a
 * BinarySignatorIUI, a TextualSignatorIUI, both implementing the core IUI
 * interface, but encapsulating Binary or Textual specialities.
 * </p>
 * 
 * @author wprinz
 */
public class IncrementalUpdateInformation implements Serializable
{
  /**
   * SVUID.
   */
  private static final long serialVersionUID = -5904526956127108035L;

  /**
   * The original PDF document.
   */
  public byte[] original_document = null;

  /**
   * The Singature type to be created.
   */
  public String signature_type = null;

  /**
   * The signed pdf document.
   * 
   * <p>
   * This is the original document plus the incremental update block.
   * </p>
   */
  public byte[] signed_pdf = null;

  /**
   * The start index of this incremental update block.
   */
  int start_index = -1;

  /**
   * The indirect reference of the egiz dict.
   */
  // PdfIndirectReference egiz_dict_ir = null;
  public int egiz_dict_ir_number;

  public int egiz_dict_ir_generation;

  /**
   * The List of ReplaceInfo objects specifying the byte ranges where the
   * variable data has to be fille in.
   */
  public List replaces = null;

  /**
   * The List of StringInfo objects specifying the byte ranges that should
   * be/were signed.
   */
  public List byte_ranges = null;

  /**
   * The indirect reference of the signature x-object.
   */
  // public PdfIndirectReference temp_ir;
  public int temp_ir_number;

  public int temp_ir_generation;

  /**
   * The start index of the content stream of the signature x-object.
   */
  public int content_stream_start = -1;

  /**
   * The length of the content stream of the signature x-object.
   */
  public int content_stream_length = -1;

  /**
   * The document text for signing.
   */
  public String document_text;

  /**
   * The SignatureObject containing the variable values after the document text
   * has been signed.
   * <p>
   * These values have to be filled in.
   * </p>
   */
  public SignatureObject signed_signature_object;

  /**
   * The start of the /encodings array.
   */
  public int enc_start = -1;

  /**
   * The length of the /encodings array.
   */
  public int enc_length = -1;

  /**
   * The start of the first /Cert
   */
  public int cert_start = -1;

  /**
   * The length of the /cert placeholder.
   */
  public int cert_length = -1;

  /**
   * The list of strings of the KZ.
   */
  public List kz_list;

  /**
   * The table position.
   */
  public TablePos pos;

}