package org.bouncycastle.asn1.isismtt.x509;
import org.bouncycastle.asn1.ASN1Encodable;
import org.bouncycastle.asn1.DERObject;
import org.bouncycastle.asn1.DERString;
import org.bouncycastle.asn1.x500.DirectoryString;
/**
* Some other restriction regarding the usage of this certificate.
* <p/>
* <pre>
* RestrictionSyntax ::= DirectoryString (SIZE(1..1024))
* </pre>
*/
public class Restriction extends ASN1Encodable
{
private DirectoryString restriction;
public static Restriction getInstance(Object obj)
{
if (obj == null || obj instanceof Restriction)
{
return (Restriction)obj;
}
if (obj instanceof DERString)
{
return new Restriction(DirectoryString.getInstance(obj));
}
throw new IllegalArgumentException("illegal object in getInstance: "
+ obj.getClass().getName());
}
/**
* Constructor from DERString.
* <p/>
* The DERString is of type RestrictionSyntax:
* <p/>
* <pre>
* RestrictionSyntax ::= DirectoryString (SIZE(1..1024))
* </pre>
*
* @param restriction A DERString.
*/
private Restriction(DirectoryString restriction)
{
this.restriction = restriction;
}
/**
* Constructor from a given details.
*
* @param restriction The describtion of the restriction.
*/
public Restriction(String restriction)
{
this.restriction = new DirectoryString(restriction);
}
public DirectoryString getRestriction()
{
return restriction;
}
/**
* Produce an object suitable for an ASN1OutputStream.
* <p/>
* Returns:
* <p/>
* <pre>
* RestrictionSyntax ::= DirectoryString (SIZE(1..1024))
* <p/>
* </pre>
*
* @return a DERObject
*/
public DERObject toASN1Object()
{
return restriction.toASN1Object();
}
}