package org.bouncycastle.asn1.isismtt.x509;
import java.util.Enumeration;
import org.bouncycastle.asn1.ASN1Encodable;
import org.bouncycastle.asn1.ASN1EncodableVector;
import org.bouncycastle.asn1.ASN1Sequence;
import org.bouncycastle.asn1.ASN1String;
import org.bouncycastle.asn1.ASN1TaggedObject;
import org.bouncycastle.asn1.DEREncodable;
import org.bouncycastle.asn1.DERIA5String;
import org.bouncycastle.asn1.DERObject;
import org.bouncycastle.asn1.DERObjectIdentifier;
import org.bouncycastle.asn1.DERSequence;
import org.bouncycastle.asn1.isismtt.ISISMTTObjectIdentifiers;
import org.bouncycastle.asn1.x500.DirectoryString;
/**
* Names of authorities which are responsible for the administration of title
* registers.
*
* <pre>
* NamingAuthority ::= SEQUENCE
* {
* namingAuthorityId OBJECT IDENTIFIER OPTIONAL,
* namingAuthorityUrl IA5String OPTIONAL,
* namingAuthorityText DirectoryString(SIZE(1..128)) OPTIONAL
* }
* </pre>
* @see org.bouncycastle.asn1.isismtt.x509.AdmissionSyntax
*
*/
public class NamingAuthority
extends ASN1Encodable
{
/**
* Profession OIDs should always be defined under the OID branch of the
* responsible naming authority. At the time of this writing, the work group
* �Recht, Wirtschaft, Steuern� (�Law, Economy, Taxes�) is registered as the
* first naming authority under the OID id-isismtt-at-namingAuthorities.
*/
public static final DERObjectIdentifier id_isismtt_at_namingAuthorities_RechtWirtschaftSteuern =
new DERObjectIdentifier(ISISMTTObjectIdentifiers.id_isismtt_at_namingAuthorities + ".1");
private DERObjectIdentifier namingAuthorityId;
private String namingAuthorityUrl;
private DirectoryString namingAuthorityText;
public static NamingAuthority getInstance(Object obj)
{
if (obj == null || obj instanceof NamingAuthority)
{
return (NamingAuthority)obj;
}
if (obj instanceof ASN1Sequence)
{
return new NamingAuthority((ASN1Sequence)obj);
}
throw new IllegalArgumentException("illegal object in getInstance: "
+ obj.getClass().getName());
}
public static NamingAuthority getInstance(ASN1TaggedObject obj, boolean explicit)
{
return getInstance(ASN1Sequence.getInstance(obj, explicit));
}
/**
* Constructor from ASN1Sequence.
* <p/>
* <p/>
* <pre>
* NamingAuthority ::= SEQUENCE
* {
* namingAuthorityId OBJECT IDENTIFIER OPTIONAL,
* namingAuthorityUrl IA5String OPTIONAL,
* namingAuthorityText DirectoryString(SIZE(1..128)) OPTIONAL
* }
* </pre>
*
* @param seq The ASN.1 sequence.
*/
private NamingAuthority(ASN1Sequence seq)
{
if (seq.size() > 3)
{
throw new IllegalArgumentException("Bad sequence size: "
+ seq.size());
}
Enumeration e = seq.getObjects();
if (e.hasMoreElements())
{
DEREncodable o = (DEREncodable)e.nextElement();
if (o instanceof DERObjectIdentifier)
{
namingAuthorityId = (DERObjectIdentifier)o;
}
else if (o instanceof DERIA5String)
{
namingAuthorityUrl = DERIA5String.getInstance(o).getString();
}
else if (o instanceof ASN1String)
{
namingAuthorityText = DirectoryString.getInstance(o);
}
else
{
throw new IllegalArgumentException("Bad object encountered: "
+ o.getClass());
}
}
if (e.hasMoreElements())
{
DEREncodable o = (DEREncodable)e.nextElement();
if (o instanceof DERIA5String)
{
namingAuthorityUrl = DERIA5String.getInstance(o).getString();
}
else if (o instanceof ASN1String)
{
namingAuthorityText = DirectoryString.getInstance(o);
}
else
{
throw new IllegalArgumentException("Bad object encountered: "
+ o.getClass());
}
}
if (e.hasMoreElements())
{
DEREncodable o = (DEREncodable)e.nextElement();
if (o instanceof ASN1String)
{
namingAuthorityText = DirectoryString.getInstance(o);
}
else
{
throw new IllegalArgumentException("Bad object encountered: "
+ o.getClass());
}
}
}
/**
* @return Returns the namingAuthorityId.
*/
public DERObjectIdentifier getNamingAuthorityId()
{
return namingAuthorityId;
}
/**
* @return Returns the namingAuthorityText.
*/
public DirectoryString getNamingAuthorityText()
{
return namingAuthorityText;
}
/**
* @return Returns the namingAuthorityUrl.
*/
public String getNamingAuthorityUrl()
{
return namingAuthorityUrl;
}
/**
* Constructor from given details.
* <p/>
* All parameters can be combined.
*
* @param namingAuthorityId ObjectIdentifier for naming authority.
* @param namingAuthorityUrl URL for naming authority.
* @param namingAuthorityText Textual representation of naming authority.
*/
public NamingAuthority(DERObjectIdentifier namingAuthorityId,
String namingAuthorityUrl, DirectoryString namingAuthorityText)
{
this.namingAuthorityId = namingAuthorityId;
this.namingAuthorityUrl = namingAuthorityUrl;
this.namingAuthorityText = namingAuthorityText;
}
/**
* Produce an object suitable for an ASN1OutputStream.
* <p/>
* Returns:
* <p/>
* <pre>
* NamingAuthority ::= SEQUENCE
* {
* namingAuthorityId OBJECT IDENTIFIER OPTIONAL,
* namingAuthorityUrl IA5String OPTIONAL,
* namingAuthorityText DirectoryString(SIZE(1..128)) OPTIONAL
* }
* </pre>
*
* @return a DERObject
*/
public DERObject toASN1Object()
{
ASN1EncodableVector vec = new ASN1EncodableVector();
if (namingAuthorityId != null)
{
vec.add(namingAuthorityId);
}
if (namingAuthorityUrl != null)
{
vec.add(new DERIA5String(namingAuthorityUrl, true));
}
if (namingAuthorityText != null)
{
vec.add(namingAuthorityText);
}
return new DERSequence(vec);
}
}