org.bouncycastle.asn1.x509.qualified.MonetaryValue.java Source code

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

Source

package org.bouncycastle.asn1.x509.qualified;

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.DERSequence;

/**
 * The MonetaryValue object.
 * <pre>
 * MonetaryValue  ::=  SEQUENCE {
 *       currency              Iso4217CurrencyCode,
 *       amount               INTEGER, 
 *       exponent             INTEGER }
 * -- value = amount * 10^exponent
 * </pre>
 */
public class MonetaryValue extends ASN1Object {
    private Iso4217CurrencyCode currency;
    private ASN1Integer amount;
    private ASN1Integer exponent;

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

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

        return null;
    }

    private MonetaryValue(ASN1Sequence seq) {
        Enumeration e = seq.getObjects();
        // currency
        currency = Iso4217CurrencyCode.getInstance(e.nextElement());
        // hashAlgorithm
        amount = ASN1Integer.getInstance(e.nextElement());
        // exponent
        exponent = ASN1Integer.getInstance(e.nextElement());
    }

    public MonetaryValue(Iso4217CurrencyCode currency, int amount, int exponent) {
        this.currency = currency;
        this.amount = new ASN1Integer(amount);
        this.exponent = new ASN1Integer(exponent);
    }

    public Iso4217CurrencyCode getCurrency() {
        return currency;
    }

    public BigInteger getAmount() {
        return amount.getValue();
    }

    public BigInteger getExponent() {
        return exponent.getValue();
    }

    public ASN1Primitive toASN1Primitive() {
        ASN1EncodableVector seq = new ASN1EncodableVector(3);
        seq.add(currency);
        seq.add(amount);
        seq.add(exponent);

        return new DERSequence(seq);
    }
}