/**
 * 
 */
package at.gv.egiz.pdfas.web;

import java.io.Serializable;
import java.util.Properties;

import javax.servlet.http.HttpSessionBindingEvent;
import javax.servlet.http.HttpSessionBindingListener;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

import at.gv.egiz.pdfas.framework.input.PdfDataSource;
import at.gv.egiz.pdfas.framework.output.DataSink;
import at.gv.egiz.pdfas.framework.signator.SignatorInformation;
import at.gv.egiz.pdfas.web.helper.TempDirHelper;
import at.knowcenter.wag.egov.egiz.pdf.TablePos;
import at.knowcenter.wag.egov.egiz.web.ExternAppInformation;
import at.knowcenter.wag.egov.egiz.web.LocalRequest;

/**
 * @author wprinz
 * 
 */
public class SignSessionInformation implements HttpSessionBindingListener, Serializable
{
  /**
   * SVUID.
   */
  private static final long serialVersionUID = 2739944460007369626L;

  /**
   * The log.
   */
  private static Log log = LogFactory.getLog(SignSessionInformation.class);

  /**
   * The connector.
   */
  public String connector = null;

  /**
   * For local requests, tells the application (sign, verify).
   */
  public String application = null;

  /**
   * Tells the operation mode (binary, textual).
   */
  public String mode = null;

  /**
   * The original, uploaded pdf.
   */
  public PdfDataSource pdfDataSource = null;

  /**
   * The type/profile of the signature.
   */
  public String type = null;

  /**
   * The suggested filename.
   */
  public String filename;

  /**
   * Tells, if the file download should be done inline or as attachment.
   */
  public boolean download_inline;

  /**
   * Object containing information about the calling webapplication.
   * 
   * @author: Thomas Zefferer
   */
  public ExternAppInformation exappinf;

  /**
   * Information about the signature position
   * 
   * @author: Thomas Zefferer
   */
  public TablePos pos;

  /**
   * The SignatorInformation.
   */
  public SignatorInformation si = null;

  /**
   * The DataSink to write the output data to.
   */
  public DataSink output = null;

  /**
   * The local request to be sent to the device.
   */
  public LocalRequest localRequest = null;
  
  /**
   * The response properties of the local request.
   */
  public Properties response_properties = null;

  /**
   * Tells if the sign request has been processed and the signed document is
   * available in the DataSink.
   */
  public boolean outputAvailable = false;


  /**
   * @see javax.servlet.http.HttpSessionBindingListener#valueBound(javax.servlet.http.HttpSessionBindingEvent)
   */
  public void valueBound(HttpSessionBindingEvent event)
  {
    log.debug("Bound SignSessionInformation to session.");
  }

  /**
   * @see javax.servlet.http.HttpSessionBindingListener#valueUnbound(javax.servlet.http.HttpSessionBindingEvent)
   */
  public void valueUnbound(HttpSessionBindingEvent event)
  {
    log.debug("Unbound SignSessionInformation from session.");
    
    if (this.pdfDataSource != null)
    {
      TempDirHelper.deleteDataSourceIfFileBased(this.pdfDataSource);
    }
    if (this.output != null)
    {
      TempDirHelper.deleteDataSinkIfFileBased(this.output);
    }
  }
}