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Viewing changes to src/org/bouncycastle/asn1/esf/SignerLocation.java

  • Committer: Brian Thomason
  • Date: 2011-12-20 17:20:32 UTC
  • Revision ID: brian.thomason@canonical.com-20111220172032-rdtm13jgdxtksacr
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src/org/bouncycastle/asn1/esf/SignerLocation.java
 
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package org.bouncycastle.asn1.esf;
 
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import java.util.Enumeration;
 
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import org.bouncycastle.asn1.ASN1Encodable;
 
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import org.bouncycastle.asn1.ASN1EncodableVector;
 
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import org.bouncycastle.asn1.ASN1Sequence;
 
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import org.bouncycastle.asn1.DERObject;
 
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import org.bouncycastle.asn1.DERSequence;
 
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import org.bouncycastle.asn1.DERTaggedObject;
 
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import org.bouncycastle.asn1.DERUTF8String;
 
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import org.bouncycastle.asn1.x500.DirectoryString;
 
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/**
 
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 * Signer-Location attribute (RFC3126).
 
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 * 
 
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 * <pre>
 
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 *   SignerLocation ::= SEQUENCE {
 
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 *       countryName        [0] DirectoryString OPTIONAL,
 
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 *       localityName       [1] DirectoryString OPTIONAL,
 
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 *       postalAddress      [2] PostalAddress OPTIONAL }
 
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 *
 
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 *   PostalAddress ::= SEQUENCE SIZE(1..6) OF DirectoryString
 
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 * </pre>
 
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 */
 
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public class SignerLocation
 
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    extends ASN1Encodable 
 
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{
 
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    private DERUTF8String   countryName;
 
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    private DERUTF8String   localityName;
 
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    private ASN1Sequence    postalAddress;
 
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    public SignerLocation(
 
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        ASN1Sequence seq)
 
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    {
 
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        Enumeration     e = seq.getObjects();
 
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        while (e.hasMoreElements())
 
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        {
 
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            DERTaggedObject o = (DERTaggedObject)e.nextElement();
 
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            switch (o.getTagNo())
 
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            {
 
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            case 0:
 
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                DirectoryString countryNameDirectoryString = DirectoryString.getInstance(o, true);
 
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                this.countryName = new DERUTF8String(countryNameDirectoryString.getString());
 
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                break;
 
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            case 1:
 
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                DirectoryString localityNameDirectoryString = DirectoryString.getInstance(o, true);
 
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                this.localityName = new DERUTF8String(localityNameDirectoryString.getString());
 
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                break;
 
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            case 2:
 
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                if (o.isExplicit())
 
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                {
 
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                    this.postalAddress = ASN1Sequence.getInstance(o, true);
 
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                }
 
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                else    // handle erroneous implicitly tagged sequences
 
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                {
 
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                    this.postalAddress = ASN1Sequence.getInstance(o, false);
 
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                }
 
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                if (postalAddress != null && postalAddress.size() > 6)
 
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                {
 
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                    throw new IllegalArgumentException("postal address must contain less than 6 strings");
 
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                }
 
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                break;
 
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            default:
 
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                throw new IllegalArgumentException("illegal tag");
 
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            }
 
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        }
 
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    }
 
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    public SignerLocation(
 
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        DERUTF8String   countryName,
 
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        DERUTF8String   localityName,
 
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        ASN1Sequence    postalAddress)
 
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    {
 
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        if (postalAddress != null && postalAddress.size() > 6)
 
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        {
 
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            throw new IllegalArgumentException("postal address must contain less than 6 strings");
 
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        }
 
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        if (countryName != null)
 
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        {
 
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            this.countryName = DERUTF8String.getInstance(countryName.toASN1Object());
 
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        }
 
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        if (localityName != null)
 
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        {
 
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            this.localityName = DERUTF8String.getInstance(localityName.toASN1Object());
 
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        }
 
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        if (postalAddress != null)
 
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        {
 
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            this.postalAddress = ASN1Sequence.getInstance(postalAddress.toASN1Object());
 
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        }
 
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    }
 
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    public static SignerLocation getInstance(
 
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        Object obj)
 
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    {
 
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        if (obj == null || obj instanceof SignerLocation)
 
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        {
 
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            return (SignerLocation)obj;
 
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        }
 
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        return new SignerLocation(ASN1Sequence.getInstance(obj));
 
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    }
 
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    public DERUTF8String getCountryName()
 
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    {
 
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        return countryName;
 
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    }
 
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    public DERUTF8String getLocalityName()
 
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    {
 
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        return localityName;
 
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    }
 
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    public ASN1Sequence getPostalAddress()
 
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    {
 
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        return postalAddress;
 
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    }
 
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    /**
 
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     * <pre>
 
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     *   SignerLocation ::= SEQUENCE {
 
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     *       countryName        [0] DirectoryString OPTIONAL,
 
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     *       localityName       [1] DirectoryString OPTIONAL,
 
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     *       postalAddress      [2] PostalAddress OPTIONAL }
 
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     *
 
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     *   PostalAddress ::= SEQUENCE SIZE(1..6) OF DirectoryString
 
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     *   
 
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     *   DirectoryString ::= CHOICE {
 
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     *         teletexString           TeletexString (SIZE (1..MAX)),
 
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     *         printableString         PrintableString (SIZE (1..MAX)),
 
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     *         universalString         UniversalString (SIZE (1..MAX)),
 
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     *         utf8String              UTF8String (SIZE (1.. MAX)),
 
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     *         bmpString               BMPString (SIZE (1..MAX)) }
 
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     * </pre>
 
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     */
 
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    public DERObject toASN1Object()
 
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    {
 
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        ASN1EncodableVector  v = new ASN1EncodableVector();
 
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        if (countryName != null)
 
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        {
 
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            v.add(new DERTaggedObject(true, 0, countryName));
 
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        }
 
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        if (localityName != null)
 
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        {
 
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            v.add(new DERTaggedObject(true, 1, localityName));
 
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        }
 
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        if (postalAddress != null)
 
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        {
 
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            v.add(new DERTaggedObject(true, 2, postalAddress));
 
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        }
 
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        return new DERSequence(v);
 
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    }
 
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}
 
 
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