/**
 * <copyright> Copyright 2006 by Know-Center, Graz, Austria </copyright>
 * 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.
 */
package at.gv.egiz.pdfas.api.timestamp;

import java.util.Date;

import org.apache.commons.codec.binary.Base64;
import org.apache.commons.lang.time.DateFormatUtils;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

/**
 * Dummy/test implementation of the timestamper. Logs and stores test-timestamp for assertion {@link #getLastTimeStamp()}
 * 
 * @author dferbas
 *
 */
public class DummyTimeStamper implements TimeStamper {
   private static Log log = LogFactory.getLog(DummyTimeStamper.class);
   
   private String lastTimeStamp;

   public String applyTimeStamp(String b64SignatureValue) {
      log.debug("Applying dummy timestamp on signature value: " + b64SignatureValue);
      String ts = DateFormatUtils.format(new Date(), "yyyy-MM-dd'T'hh:mm:ss.SSSZ");
      log.debug("Timestamp: " + ts);
      ts = new String(Base64.encodeBase64(ts.getBytes()));
      log.debug("Timestamp value (base64): " + ts);
      this.lastTimeStamp  = ts;
      return ts;
   }

   public String getLastTimeStamp() {
      return this.lastTimeStamp;
   }

   public void setLastTimeStamp(String lastTimeStamp) {
      this.lastTimeStamp = lastTimeStamp;
   }
   
}