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IetfAttrSyntax.javaAPI DocAndroid 1.5 API4649Wed May 06 22:41:06 BST 2009org.bouncycastle.asn1.x509

IetfAttrSyntax

public class IetfAttrSyntax extends org.bouncycastle.asn1.ASN1Encodable
Implementation of IetfAttrSyntax as specified by RFC3281.

Fields Summary
public static final int
VALUE_OCTETS
public static final int
VALUE_OID
public static final int
VALUE_UTF8
GeneralNames
policyAuthority
Vector
values
int
valueChoice
Constructors Summary
public IetfAttrSyntax(org.bouncycastle.asn1.ASN1Sequence seq)


           
      
    
        int i = 0;

        if (seq.getObjectAt(0) instanceof ASN1TaggedObject)
        {
            policyAuthority = GeneralNames.getInstance(((ASN1TaggedObject)seq.getObjectAt(0)), false);
            i++;
        }
        else if (seq.size() == 2)
        { // VOMS fix
            policyAuthority = GeneralNames.getInstance(seq.getObjectAt(0));
            i++;
        }

        if (!(seq.getObjectAt(i) instanceof ASN1Sequence))
        {
            throw new IllegalArgumentException("Non-IetfAttrSyntax encoding");
        }

        seq = (ASN1Sequence)seq.getObjectAt(i);

        for (Enumeration e = seq.getObjects(); e.hasMoreElements();)
        {
            DERObject obj = (DERObject)e.nextElement();
            int type;

            if (obj instanceof DERObjectIdentifier)
            {
                type = VALUE_OID;
            }
            else if (obj instanceof DERUTF8String)
            {
                type = VALUE_UTF8;
            }
            else if (obj instanceof DEROctetString)
            {
                type = VALUE_OCTETS;
            }
            else
            {
                throw new IllegalArgumentException("Bad value type encoding IetfAttrSyntax");
            }

            if (valueChoice < 0)
            {
                valueChoice = type;
            }

            if (type != valueChoice)
            {
                throw new IllegalArgumentException("Mix of value types in IetfAttrSyntax");
            }

            values.addElement(obj);
        }
Methods Summary
public GeneralNamesgetPolicyAuthority()

        return policyAuthority;
public intgetValueType()

        return valueChoice;
public java.lang.Object[]getValues()

        if (this.getValueType() == VALUE_OCTETS)
        {
            ASN1OctetString[] tmp = new ASN1OctetString[values.size()];
            
            for (int i = 0; i != tmp.length; i++)
            {
                tmp[i] = (ASN1OctetString)values.elementAt(i);
            }
            
            return tmp;
        }
        else if (this.getValueType() == VALUE_OID)
        {
            DERObjectIdentifier[] tmp = new DERObjectIdentifier[values.size()];
            
            for (int i = 0; i != tmp.length; i++)
            {
                tmp[i] = (DERObjectIdentifier)values.elementAt(i);
            }
            
            return tmp;
        }
        else
        {
            DERUTF8String[] tmp = new DERUTF8String[values.size()];
            
            for (int i = 0; i != tmp.length; i++)
            {
                tmp[i] = (DERUTF8String)values.elementAt(i);
            }
            
            return tmp;
        }
public org.bouncycastle.asn1.DERObjecttoASN1Object()

IetfAttrSyntax ::= SEQUENCE {
policyAuthority [0] GeneralNames OPTIONAL,
values SEQUENCE OF CHOICE {
octets OCTET STRING,
oid OBJECT IDENTIFIER,
string UTF8String
}
}



        ASN1EncodableVector v = new ASN1EncodableVector();

        if (policyAuthority != null)
        {
            v.add(new DERTaggedObject(0, policyAuthority));
        }

        ASN1EncodableVector v2 = new ASN1EncodableVector();

        for (Enumeration i = values.elements(); i.hasMoreElements();)
        {
            v2.add((ASN1Encodable)i.nextElement());
        }

        v.add(new DERSequence(v2));

        return new DERSequence(v);