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package org.spongycastle.asn1.esf;
import java.util.Enumeration;
import org.spongycastle.asn1.ASN1EncodableVector;
import org.spongycastle.asn1.ASN1Object;
import org.spongycastle.asn1.ASN1Primitive;
import org.spongycastle.asn1.ASN1Sequence;
import org.spongycastle.asn1.DERSequence;
import org.spongycastle.asn1.DERTaggedObject;
import org.spongycastle.asn1.DERUTF8String;
import org.spongycastle.asn1.x500.DirectoryString;
/**
* Signer-Location attribute (RFC3126).
*
* <pre>
* SignerLocation ::= SEQUENCE {
* countryName [0] DirectoryString OPTIONAL,
* localityName [1] DirectoryString OPTIONAL,
* postalAddress [2] PostalAddress OPTIONAL }
*
* PostalAddress ::= SEQUENCE SIZE(1..6) OF DirectoryString
* </pre>
*/
public class SignerLocation
extends ASN1Object
{
private DERUTF8String countryName;
private DERUTF8String localityName;
private ASN1Sequence postalAddress;
private SignerLocation(
ASN1Sequence seq)
{
Enumeration e = seq.getObjects();
while (e.hasMoreElements())
{
DERTaggedObject o = (DERTaggedObject)e.nextElement();
switch (o.getTagNo())
{
case 0:
DirectoryString countryNameDirectoryString = DirectoryString.getInstance(o, true);
this.countryName = new DERUTF8String(countryNameDirectoryString.getString());
break;
case 1:
DirectoryString localityNameDirectoryString = DirectoryString.getInstance(o, true);
this.localityName = new DERUTF8String(localityNameDirectoryString.getString());
break;
case 2:
if (o.isExplicit())
{
this.postalAddress = ASN1Sequence.getInstance(o, true);
}
else // handle erroneous implicitly tagged sequences
{
this.postalAddress = ASN1Sequence.getInstance(o, false);
}
if (postalAddress != null && postalAddress.size() > 6)
{
throw new IllegalArgumentException("postal address must contain less than 6 strings");
}
break;
default:
throw new IllegalArgumentException("illegal tag");
}
}
}
public SignerLocation(
DERUTF8String countryName,
DERUTF8String localityName,
ASN1Sequence postalAddress)
{
if (postalAddress != null && postalAddress.size() > 6)
{
throw new IllegalArgumentException("postal address must contain less than 6 strings");
}
if (countryName != null)
{
this.countryName = DERUTF8String.getInstance(countryName.toASN1Primitive());
}
if (localityName != null)
{
this.localityName = DERUTF8String.getInstance(localityName.toASN1Primitive());
}
if (postalAddress != null)
{
this.postalAddress = ASN1Sequence.getInstance(postalAddress.toASN1Primitive());
}
}
public static SignerLocation getInstance(
Object obj)
{
if (obj == null || obj instanceof SignerLocation)
{
return (SignerLocation)obj;
}
return new SignerLocation(ASN1Sequence.getInstance(obj));
}
public DERUTF8String getCountryName()
{
return countryName;
}
public DERUTF8String getLocalityName()
{
return localityName;
}
public ASN1Sequence getPostalAddress()
{
return postalAddress;
}
/**
* <pre>
* SignerLocation ::= SEQUENCE {
* countryName [0] DirectoryString OPTIONAL,
* localityName [1] DirectoryString OPTIONAL,
* postalAddress [2] PostalAddress OPTIONAL }
*
* PostalAddress ::= SEQUENCE SIZE(1..6) OF DirectoryString
*
* DirectoryString ::= CHOICE {
* teletexString TeletexString (SIZE (1..MAX)),
* printableString PrintableString (SIZE (1..MAX)),
* universalString UniversalString (SIZE (1..MAX)),
* utf8String UTF8String (SIZE (1.. MAX)),
* bmpString BMPString (SIZE (1..MAX)) }
* </pre>
*/
public ASN1Primitive toASN1Primitive()
{
ASN1EncodableVector v = new ASN1EncodableVector();
if (countryName != null)
{
v.add(new DERTaggedObject(true, 0, countryName));
}
if (localityName != null)
{
v.add(new DERTaggedObject(true, 1, localityName));
}
if (postalAddress != null)
{
v.add(new DERTaggedObject(true, 2, postalAddress));
}
return new DERSequence(v);
}
}
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