package org.spongycastle.asn1.isismtt.x509; import java.math.BigInteger; import java.util.Enumeration; import org.spongycastle.asn1.ASN1EncodableVector; import org.spongycastle.asn1.ASN1Integer; import org.spongycastle.asn1.ASN1Object; import org.spongycastle.asn1.ASN1Primitive; import org.spongycastle.asn1.ASN1Sequence; import org.spongycastle.asn1.DERPrintableString; import org.spongycastle.asn1.DERSequence; /** * Monetary limit for transactions. The QcEuMonetaryLimit QC statement MUST be * used in new certificates in place of the extension/attribute MonetaryLimit * since January 1, 2004. For the sake of backward compatibility with * certificates already in use, components SHOULD support MonetaryLimit (as well * as QcEuLimitValue). *

* Indicates a monetary limit within which the certificate holder is authorized * to act. (This value DOES NOT express a limit on the liability of the * certification authority). *

 *    MonetaryLimitSyntax ::= SEQUENCE
 *    {
 *      currency PrintableString (SIZE(3)),
 *      amount INTEGER,
 *      exponent INTEGER
 *    }
 * 
*

* currency must be the ISO code. *

* value = amount�10*exponent */ public class MonetaryLimit extends ASN1Object { DERPrintableString currency; ASN1Integer amount; ASN1Integer exponent; public static MonetaryLimit getInstance(Object obj) { if (obj == null || obj instanceof MonetaryLimit) { return (MonetaryLimit)obj; } if (obj instanceof ASN1Sequence) { return new MonetaryLimit(ASN1Sequence.getInstance(obj)); } throw new IllegalArgumentException("unknown object in getInstance"); } private MonetaryLimit(ASN1Sequence seq) { if (seq.size() != 3) { throw new IllegalArgumentException("Bad sequence size: " + seq.size()); } Enumeration e = seq.getObjects(); currency = DERPrintableString.getInstance(e.nextElement()); amount = ASN1Integer.getInstance(e.nextElement()); exponent = ASN1Integer.getInstance(e.nextElement()); } /** * Constructor from a given details. *

* value = amount�10^exponent * * @param currency The currency. Must be the ISO code. * @param amount The amount * @param exponent The exponent */ public MonetaryLimit(String currency, int amount, int exponent) { this.currency = new DERPrintableString(currency, true); this.amount = new ASN1Integer(amount); this.exponent = new ASN1Integer(exponent); } public String getCurrency() { return currency.getString(); } public BigInteger getAmount() { return amount.getValue(); } public BigInteger getExponent() { return exponent.getValue(); } /** * Produce an object suitable for an ASN1OutputStream. *

* Returns: *

     *    MonetaryLimitSyntax ::= SEQUENCE
     *    {
     *      currency PrintableString (SIZE(3)),
     *      amount INTEGER,
     *      exponent INTEGER
     *    }
     * 
* * @return a DERObject */ public ASN1Primitive toASN1Primitive() { ASN1EncodableVector seq = new ASN1EncodableVector(); seq.add(currency); seq.add(amount); seq.add(exponent); return new DERSequence(seq); } }