/**
* Copyright 2006 by Know-Center, Graz, Austria
* 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.
*
* $Id: Signator.java,v 1.1 2006/08/25 17:07:21 wprinz Exp $
*/
package at.gv.egiz.pdfas.framework.signator;
import at.gv.egiz.pdfas.api.timestamp.TimeStamper;
import at.gv.egiz.pdfas.exceptions.framework.SignatorException;
import at.gv.egiz.pdfas.framework.input.PdfDataSource;
import at.gv.egiz.pdfas.framework.output.DataSink;
import at.knowcenter.wag.egov.egiz.PdfASID;
import at.knowcenter.wag.egov.egiz.pdf.TablePos;
/**
* The basic interface for signator algorithms.
*
* @author wprinz
*/
public interface Signator
{
/**
* Returns the PdfASID of this Connector.
*
*
* This should always return the MY_ID static field of the connector. Dont't
* forget to override this.
*
*
* Within connector code always use this method so that code reuse through
* derivation can take place correctly.
*
*
* @return Returns the PdfASID of this Connector.
*/
public PdfASID getMyId();
/**
* Suppies encoding for text extraction
* @return
*/
public String getEncoding();
// dferbas no more has_SIG_ID
public SignatorInformation prepareSign(PdfDataSource pdfDataSource,
String profile, TablePos pos, TimeStamper timestamper) throws SignatorException;
public void finishSign(SignatorInformation signatorInformation, DataSink dataSink) throws SignatorException;
}