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

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

Source

package org.bouncycastle.asn1.x509;

import org.bouncycastle.asn1.ASN1Object;
import org.bouncycastle.asn1.ASN1ObjectIdentifier;
import org.bouncycastle.asn1.ASN1Primitive;
import org.bouncycastle.asn1.ASN1Sequence;
import org.bouncycastle.asn1.ASN1TaggedObject;
import org.bouncycastle.asn1.DERSequence;

public class CertificatePolicies extends ASN1Object {
    private final PolicyInformation[] policyInformation;

    public static CertificatePolicies getInstance(Object obj) {
        if (obj instanceof CertificatePolicies) {
            return (CertificatePolicies) obj;
        }

        if (obj != null) {
            return new CertificatePolicies(ASN1Sequence.getInstance(obj));
        }

        return null;
    }

    public static CertificatePolicies getInstance(ASN1TaggedObject obj, boolean explicit) {
        return getInstance(ASN1Sequence.getInstance(obj, explicit));
    }

    /**
     * Retrieve a CertificatePolicies for a passed in Extensions object, if present.
     *
     * @param extensions the extensions object to be examined.
     * @return  the CertificatePolicies, null if the extension is not present.
     */
    public static CertificatePolicies fromExtensions(Extensions extensions) {
        return CertificatePolicies
                .getInstance(Extensions.getExtensionParsedValue(extensions, Extension.certificatePolicies));
    }

    /**
     * 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 = copyPolicyInfo(policyInformation);
    }

    private CertificatePolicies(ASN1Sequence seq) {
        this.policyInformation = new PolicyInformation[seq.size()];

        for (int i = 0; i != seq.size(); i++) {
            policyInformation[i] = PolicyInformation.getInstance(seq.getObjectAt(i));
        }
    }

    public PolicyInformation[] getPolicyInformation() {
        return copyPolicyInfo(policyInformation);
    }

    private PolicyInformation[] copyPolicyInfo(PolicyInformation[] policyInfo) {
        PolicyInformation[] tmp = new PolicyInformation[policyInfo.length];

        System.arraycopy(policyInfo, 0, tmp, 0, policyInfo.length);

        return tmp;
    }

    public PolicyInformation getPolicyInformation(ASN1ObjectIdentifier policyIdentifier) {
        for (int i = 0; i != policyInformation.length; i++) {
            if (policyIdentifier.equals(policyInformation[i].getPolicyIdentifier())) {
                return policyInformation[i];
            }
        }

        return null;
    }

    /**
     * Produce an object suitable for an ASN1OutputStream.
     * <pre>
     * CertificatePolicies ::= SEQUENCE SIZE {1..MAX} OF PolicyInformation
     * </pre>
     */
    public ASN1Primitive toASN1Primitive() {
        return new DERSequence(policyInformation);
    }

    public String toString() {
        StringBuffer p = new StringBuffer();
        for (int i = 0; i < policyInformation.length; i++) {
            if (p.length() != 0) {
                p.append(", ");
            }
            p.append(policyInformation[i]);
        }

        return "CertificatePolicies: [" + p + "]";
    }
}