001package org.apache.commons.ssl.org.bouncycastle.asn1.x509;
002
003import org.apache.commons.ssl.org.bouncycastle.asn1.ASN1Encodable;
004import org.apache.commons.ssl.org.bouncycastle.asn1.ASN1EncodableVector;
005import org.apache.commons.ssl.org.bouncycastle.asn1.ASN1Object;
006import org.apache.commons.ssl.org.bouncycastle.asn1.ASN1ObjectIdentifier;
007import org.apache.commons.ssl.org.bouncycastle.asn1.ASN1Primitive;
008import org.apache.commons.ssl.org.bouncycastle.asn1.ASN1Sequence;
009import org.apache.commons.ssl.org.bouncycastle.asn1.DERIA5String;
010import org.apache.commons.ssl.org.bouncycastle.asn1.DERSequence;
011
012/**
013 * Policy qualifiers, used in the X509V3 CertificatePolicies
014 * extension.
015 * 
016 * <pre>
017 *   PolicyQualifierInfo ::= SEQUENCE {
018 *       policyQualifierId  PolicyQualifierId,
019 *       qualifier          ANY DEFINED BY policyQualifierId }
020 * </pre>
021 */
022public class PolicyQualifierInfo
023    extends ASN1Object
024{
025   private ASN1ObjectIdentifier policyQualifierId;
026   private ASN1Encodable        qualifier;
027
028   /**
029    * Creates a new <code>PolicyQualifierInfo</code> instance.
030    *
031    * @param policyQualifierId a <code>PolicyQualifierId</code> value
032    * @param qualifier the qualifier, defined by the above field.
033    */
034   public PolicyQualifierInfo(
035       ASN1ObjectIdentifier policyQualifierId,
036       ASN1Encodable qualifier) 
037   {
038      this.policyQualifierId = policyQualifierId;
039      this.qualifier = qualifier;
040   }
041
042   /**
043    * Creates a new <code>PolicyQualifierInfo</code> containing a
044    * cPSuri qualifier.
045    *
046    * @param cps the CPS (certification practice statement) uri as a
047    * <code>String</code>.
048    */
049   public PolicyQualifierInfo(
050       String cps) 
051   {
052      policyQualifierId = PolicyQualifierId.id_qt_cps;
053      qualifier = new DERIA5String (cps);
054   }
055
056   /**
057    * Creates a new <code>PolicyQualifierInfo</code> instance.
058    *
059    * @param as <code>PolicyQualifierInfo</code> X509 structure
060    * encoded as an ASN1Sequence.
061    * @deprecated use PolicyQualifierInfo.getInstance()
062    */
063   public PolicyQualifierInfo(
064       ASN1Sequence as)
065   {
066        if (as.size() != 2)
067        {
068            throw new IllegalArgumentException("Bad sequence size: "
069                    + as.size());
070        }
071
072        policyQualifierId = ASN1ObjectIdentifier.getInstance(as.getObjectAt(0));
073        qualifier = as.getObjectAt(1);
074   }
075
076   public static PolicyQualifierInfo getInstance(
077       Object obj)
078   {
079        if (obj instanceof PolicyQualifierInfo)
080        {
081            return (PolicyQualifierInfo)obj;
082        }
083        else if (obj != null)
084        {
085            return new PolicyQualifierInfo(ASN1Sequence.getInstance(obj));
086        }
087
088        return null;
089   }
090
091
092   public ASN1ObjectIdentifier getPolicyQualifierId()
093   {
094       return policyQualifierId;
095   }
096
097   public ASN1Encodable getQualifier()
098   {
099       return qualifier;
100   }
101   
102   /**
103    * Returns a DER-encodable representation of this instance. 
104    *
105    * @return a <code>ASN1Primitive</code> value
106    */
107   public ASN1Primitive toASN1Primitive()
108   {
109      ASN1EncodableVector dev = new ASN1EncodableVector();
110      dev.add(policyQualifierId);
111      dev.add(qualifier);
112
113      return new DERSequence(dev);
114   }
115}