MyEncodingDateTimeSigned.java

//* Licensed Materials - Property of                                  *
//* IBM                                                               *
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//* eu.abc4trust.pabce.1.34                                           *
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//* This file is licensed under the Apache License, Version 2.0 (the  *
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//*   http://www.apache.org/licenses/LICENSE-2.0                      *
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package eu.abc4trust.util.attributeEncoding;

import java.math.BigInteger;
import java.net.URI;

import eu.abc4trust.util.attributeTypes.EnumAllowedValues;
import eu.abc4trust.util.attributeTypes.MyAttributeValueDateTime;

public class MyEncodingDateTimeSigned extends MyAttributeValueDateTime
    implements
      MyAttributeEncoding {
  
  public static final URI ENCODING = URI.create("urn:abc4trust:1.0:encoding:dateTime:unix:signed");

  public MyEncodingDateTimeSigned(Object attributeValue, /*IsNull*/ EnumAllowedValues av) {
    super(attributeValue, av);
  }

  @Override
  public BigInteger getIntegerValue() {
    long unixTime = getValue().toGregorianCalendar().getTimeInMillis() / 1000;
    return BigInteger.valueOf(unixTime).add(MyAttributeEncodingFactory.SIGNED_OFFSET);
  }
  
  @Override
  public URI getEncoding() {
    return ENCODING;
  }
  
  public static Object recoverValueFromIntegerValue(BigInteger integerValue, /*IsNull*/ EnumAllowedValues eav) {
    return MyEncodingDateTimeUnsigned.recoverValueFromIntegerValue(integerValue.subtract(MyAttributeEncodingFactory.SIGNED_OFFSET), eav);
  }
}