package org.bouncycastle.asn1.x509;
import org.bouncycastle.asn1.ASN1EncodableVector;
import org.bouncycastle.asn1.ASN1Object;
import org.bouncycastle.asn1.ASN1Primitive;
import org.bouncycastle.asn1.ASN1Sequence;
import org.bouncycastle.asn1.DERSequence;
/**
* <code>UserNotice</code> class, used in
* <code>CertificatePolicies</code> X509 extensions (in policy
* qualifiers).
* <pre>
* UserNotice ::= SEQUENCE {
* noticeRef NoticeReference OPTIONAL,
* explicitText DisplayText OPTIONAL}
*
* </pre>
*
* @see PolicyQualifierId
* @see PolicyInformation
*/
public class UserNotice
extends ASN1Object
{
private NoticeReference noticeRef;
private DisplayText explicitText;
/**
* Creates a new <code>UserNotice</code> instance.
*
* @param noticeRef a <code>NoticeReference</code> value
* @param explicitText a <code>DisplayText</code> value
*/
public UserNotice(
NoticeReference noticeRef,
DisplayText explicitText)
{
this.noticeRef = noticeRef;
this.explicitText = explicitText;
}
/**
* Creates a new <code>UserNotice</code> instance.
*
* @param noticeRef a <code>NoticeReference</code> value
* @param str the explicitText field as a String.
*/
public UserNotice(
NoticeReference noticeRef,
String str)
{
this(noticeRef, new DisplayText(str));
}
/**
* Creates a new <code>UserNotice</code> instance.
* <p>Useful from reconstructing a <code>UserNotice</code> instance
* from its encodable/encoded form.
*
* @param as an <code>ASN1Sequence</code> value obtained from either
* calling @{link toASN1Primitive()} for a <code>UserNotice</code>
* instance or from parsing it from a DER-encoded stream.
*/
private UserNotice(
ASN1Sequence as)
{
if (as.size() == 2)
{
noticeRef = NoticeReference.getInstance(as.getObjectAt(0));
explicitText = DisplayText.getInstance(as.getObjectAt(1));
}
else if (as.size() == 1)
{
if (as.getObjectAt(0).toASN1Primitive() instanceof ASN1Sequence)
{
noticeRef = NoticeReference.getInstance(as.getObjectAt(0));
}
else
{
explicitText = DisplayText.getInstance(as.getObjectAt(0));
}
}
else
{
throw new IllegalArgumentException("Bad sequence size: " + as.size());
}
}
public static UserNotice getInstance(
Object obj)
{
if (obj instanceof UserNotice)
{
return (UserNotice)obj;
}
if (obj != null)
{
return new UserNotice(ASN1Sequence.getInstance(obj));
}
return null;
}
public NoticeReference getNoticeRef()
{
return noticeRef;
}
public DisplayText getExplicitText()
{
return explicitText;
}
public ASN1Primitive toASN1Primitive()
{
ASN1EncodableVector av = new ASN1EncodableVector();
if (noticeRef != null)
{
av.add(noticeRef);
}
if (explicitText != null)
{
av.add(explicitText);
}
return new DERSequence(av);
}
}