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;
   }
   
}