using System; using System.Text; namespace Org.BouncyCastle.Asn1.X509 { public class CertificatePolicies : Asn1Encodable { private static PolicyInformation[] Copy(PolicyInformation[] policyInfo) { return (PolicyInformation[])policyInfo.Clone(); } public static CertificatePolicies GetInstance(object obj) { if (obj is CertificatePolicies) return (CertificatePolicies)obj; if (obj == null) return null; return new CertificatePolicies(Asn1Sequence.GetInstance(obj)); } public static CertificatePolicies GetInstance(Asn1TaggedObject obj, bool isExplicit) { return GetInstance(Asn1Sequence.GetInstance(obj, isExplicit)); } public static CertificatePolicies FromExtensions(X509Extensions extensions) { return GetInstance(X509Extensions.GetExtensionParsedValue(extensions, X509Extensions.CertificatePolicies)); } private readonly PolicyInformation[] policyInformation; /** * Construct a CertificatePolicies object containing one PolicyInformation. * * @param name the name to be contained. */ public CertificatePolicies(PolicyInformation name) { this.policyInformation = new PolicyInformation[] { name }; } public CertificatePolicies(PolicyInformation[] policyInformation) { this.policyInformation = Copy(policyInformation); } private CertificatePolicies(Asn1Sequence seq) { this.policyInformation = new PolicyInformation[seq.Count]; for (int i = 0; i < seq.Count; ++i) { policyInformation[i] = PolicyInformation.GetInstance(seq[i]); } } public virtual PolicyInformation[] GetPolicyInformation() { return Copy(policyInformation); } public virtual PolicyInformation GetPolicyInformation(DerObjectIdentifier policyIdentifier) { for (int i = 0; i != policyInformation.Length; i++) { if (policyIdentifier.Equals(policyInformation[i].PolicyIdentifier)) { return policyInformation[i]; } } return null; } /** * Produce an object suitable for an ASN1OutputStream. *
         * CertificatePolicies ::= SEQUENCE SIZE {1..MAX} OF PolicyInformation
         * 
*/ public override Asn1Object ToAsn1Object() { return new DerSequence(policyInformation); } public override string ToString() { StringBuilder sb = new StringBuilder("CertificatePolicies:"); if (policyInformation != null && policyInformation.Length > 0) { sb.Append(' '); sb.Append(policyInformation[0]); for (int i = 1; i < policyInformation.Length; ++i) { sb.Append(", "); sb.Append(policyInformation[i]); } } return sb.ToString(); } } }