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package org.bouncycastle.asn1.isismtt.x509;
import java.math.BigInteger;
import java.util.Enumeration;
import org.bouncycastle.asn1.ASN1EncodableVector;
import org.bouncycastle.asn1.ASN1Integer;
import org.bouncycastle.asn1.ASN1Object;
import org.bouncycastle.asn1.ASN1Primitive;
import org.bouncycastle.asn1.ASN1Sequence;
import org.bouncycastle.asn1.DERPrintableString;
import org.bouncycastle.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).
* <p>
* 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).
* <pre>
* MonetaryLimitSyntax ::= SEQUENCE
* {
* currency PrintableString (SIZE(3)),
* amount INTEGER,
* exponent INTEGER
* }
* </pre>
* <p>
* currency must be the ISO code.
* <p>
* 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.
* <p>
* 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.
* <p>
* Returns:
* <pre>
* MonetaryLimitSyntax ::= SEQUENCE
* {
* currency PrintableString (SIZE(3)),
* amount INTEGER,
* exponent INTEGER
* }
* </pre>
*
* @return a DERObject
*/
public ASN1Primitive toASN1Primitive()
{
ASN1EncodableVector seq = new ASN1EncodableVector();
seq.add(currency);
seq.add(amount);
seq.add(exponent);
return new DERSequence(seq);
}
}
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