/**
 * 
 */
package at.gv.egiz.pdfas.api.analyze;

import java.util.List;

import at.gv.egiz.pdfas.api.commons.SignatureInformation;
import at.gv.egiz.pdfas.api.exceptions.PdfAsException;

/**
 * The result of an analyze operation, which is a list of verifyable signatures.
 * 
 * @author wprinz
 * 
 */
public interface AnalyzeResult
{
  /**
   * Returns the list of found signatures.
   * 
   * @return Returns a list of {@link SignatureInformation} objects representing all
   *         found signatures.
   * @throws PdfAsException
   *           Thrown on error.
   * 
   * @see SignatureInformation
   */
  public List getSignatures() throws PdfAsException;
  
  public List getNoSignatures();

  /**
   * Returns non textual data from pdf provided that {@link AnalyzeParameters#setReturnNonTextualObjects(boolean)}
   * has been set {@code true}. 
   * @return List of {@link NonTextObjectInfo}
   */
  public List getNonTextualObjects();

  /**
   * Returns <code>true</code> if non textual objects have been found, <code>false</code> if not.
   * @return <code>true</code> if non textual objects have been found, <code>false</code> if not.
   */
  public boolean hasNonTextualObjects();
  
}