/**
* Constructor from ASN1Sequence.
*
* <p>The sequence is of type CertificatePair:
*
* <p>
*
* <pre>
* CertificatePair ::= SEQUENCE {
* forward [0] Certificate OPTIONAL,
* reverse [1] Certificate OPTIONAL,
* -- at least one of the pair shall be present -- }
* </pre>
*
* @param seq The ASN.1 sequence.
*/
private CertificatePair(ASN1Sequence seq) {
if (seq.size() != 1 && seq.size() != 2) {
throw new IllegalArgumentException("Bad sequence size: " + seq.size());
}
Enumeration e = seq.getObjects();
while (e.hasMoreElements()) {
ASN1TaggedObject o = ASN1TaggedObject.getInstance(e.nextElement());
if (o.getTagNo() == 0) {
forward = X509CertificateStructure.getInstance(o, true);
} else if (o.getTagNo() == 1) {
reverse = X509CertificateStructure.getInstance(o, true);
} else {
throw new IllegalArgumentException("Bad tag number: " + o.getTagNo());
}
}
}
/**
* Constructor that builds an instance of <code>RoleSyntax</code> by extracting the encoded
* elements from the <code>ASN1Sequence</code> object supplied.
*
* @param seq an instance of <code>ASN1Sequence</code> that holds the encoded elements used to
* build this <code>RoleSyntax</code>.
*/
public RoleSyntax(ASN1Sequence seq) {
if (seq.size() < 1 || seq.size() > 2) {
throw new IllegalArgumentException("Bad sequence size: " + seq.size());
}
for (int i = 0; i != seq.size(); i++) {
ASN1TaggedObject taggedObject = ASN1TaggedObject.getInstance(seq.getObjectAt(i));
switch (taggedObject.getTagNo()) {
case 0:
roleAuthority = GeneralNames.getInstance(taggedObject, false);
break;
case 1:
roleName = GeneralName.getInstance(taggedObject, false);
break;
default:
throw new IllegalArgumentException("Unknown tag in RoleSyntax");
}
}
}