{
targets = CertPathValidatorUtilities.findCertificates((X509AttributeCertStoreSelector)certSelect, pkixParams.getStores());
}
catch (AnnotatedException e)
{
throw new ExtCertPathBuilderException("Error finding target attribute certificate.", e);
}
if (targets.isEmpty())
{
throw new CertPathBuilderException(
"No attribute certificate found matching targetContraints.");
}
CertPathBuilderResult result = null;
// check all potential target certificates
targetIter = targets.iterator();
while (targetIter.hasNext() && result == null)
{
cert = (X509AttributeCertificate) targetIter.next();
X509CertStoreSelector selector = new X509CertStoreSelector();
Principal[] principals = cert.getIssuer().getPrincipals();
Set issuers = new HashSet();
for (int i = 0; i < principals.length; i++)
{
try
{
if (principals[i] instanceof X500Principal)
{
selector.setSubject(((X500Principal)principals[i]).getEncoded());
}
issuers.addAll(CertPathValidatorUtilities.findCertificates(selector, pkixParams.getStores()));
issuers.addAll(CertPathValidatorUtilities.findCertificates(selector, pkixParams.getCertStores()));
}
catch (AnnotatedException e)
{
throw new ExtCertPathBuilderException(
"Public key certificate for attribute certificate cannot be searched.",
e);
}
catch (IOException e)
{
throw new ExtCertPathBuilderException(
"cannot encode X500Principal.",
e);
}
}
if (issuers.isEmpty())
{
throw new CertPathBuilderException(
"Public key certificate for attribute certificate cannot be found.");
}
Iterator it = issuers.iterator();
while (it.hasNext() && result == null)
{
result = build(cert, (X509Certificate)it.next(), pkixParams, certPathList);
}
}
if (result == null && certPathException != null)
{
throw new ExtCertPathBuilderException(
"Possible certificate chain could not be validated.",
certPathException);
}
if (result == null && certPathException == null)