org.bouncycastle.asn1.x509.PolicyQualifierInfo.java Source code

Introduction

Here is the source code for org.bouncycastle.asn1.x509.PolicyQualifierInfo.java

Source

package org.bouncycastle.asn1.x509;

import org.bouncycastle.asn1.ASN1Encodable;
import org.bouncycastle.asn1.ASN1EncodableVector;
import org.bouncycastle.asn1.ASN1Object;
import org.bouncycastle.asn1.ASN1ObjectIdentifier;
import org.bouncycastle.asn1.ASN1Primitive;
import org.bouncycastle.asn1.ASN1Sequence;
import org.bouncycastle.asn1.DERIA5String;
import org.bouncycastle.asn1.DERSequence;

/**
 * Policy qualifiers, used in the X509V3 CertificatePolicies
 * extension.
 * 
 * <pre>
 *   PolicyQualifierInfo ::= SEQUENCE {
 *       policyQualifierId  PolicyQualifierId,
 *       qualifier          ANY DEFINED BY policyQualifierId }
 *
 *  PolicyQualifierId ::= OBJECT IDENTIFIER ( id-qt-cps | id-qt-unotice )
 * </pre>
 */
public class PolicyQualifierInfo extends ASN1Object {
    private ASN1ObjectIdentifier policyQualifierId;
    private ASN1Encodable qualifier;

    /**
     * Creates a new <code>PolicyQualifierInfo</code> instance.
     *
     * @param policyQualifierId a <code>PolicyQualifierId</code> value
     * @param qualifier the qualifier, defined by the above field.
     */
    public PolicyQualifierInfo(ASN1ObjectIdentifier policyQualifierId, ASN1Encodable qualifier) {
        this.policyQualifierId = policyQualifierId;
        this.qualifier = qualifier;
    }

    /**
     * Creates a new <code>PolicyQualifierInfo</code> containing a
     * cPSuri qualifier.
     *
     * @param cps the CPS (certification practice statement) uri as a
     * <code>String</code>.
     */
    public PolicyQualifierInfo(String cps) {
        policyQualifierId = PolicyQualifierId.id_qt_cps;
        qualifier = new DERIA5String(cps);
    }

    /**
     * Creates a new <code>PolicyQualifierInfo</code> instance.
     *
     * @param as <code>PolicyQualifierInfo</code> X509 structure
     * encoded as an ASN1Sequence.
     * @deprecated use PolicyQualifierInfo.getInstance()
     */
    public PolicyQualifierInfo(ASN1Sequence as) {
        if (as.size() != 2) {
            throw new IllegalArgumentException("Bad sequence size: " + as.size());
        }

        policyQualifierId = ASN1ObjectIdentifier.getInstance(as.getObjectAt(0));
        qualifier = as.getObjectAt(1);
    }

    public static PolicyQualifierInfo getInstance(Object obj) {
        if (obj instanceof PolicyQualifierInfo) {
            return (PolicyQualifierInfo) obj;
        } else if (obj != null) {
            return new PolicyQualifierInfo(ASN1Sequence.getInstance(obj));
        }

        return null;
    }

    public ASN1ObjectIdentifier getPolicyQualifierId() {
        return policyQualifierId;
    }

    public ASN1Encodable getQualifier() {
        return qualifier;
    }

    /**
     * Returns a DER-encodable representation of this instance. 
     *
     * @return a <code>ASN1Primitive</code> value
     */
    public ASN1Primitive toASN1Primitive() {
        ASN1EncodableVector dev = new ASN1EncodableVector(2);
        dev.add(policyQualifierId);
        dev.add(qualifier);

        return new DERSequence(dev);
    }
}