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      1 package org.bouncycastle.asn1.x509;
      2 
      3 import org.bouncycastle.asn1.ASN1Choice;
      4 import org.bouncycastle.asn1.ASN1Encodable;
      5 import org.bouncycastle.asn1.ASN1Set;
      6 import org.bouncycastle.asn1.ASN1TaggedObject;
      7 import org.bouncycastle.asn1.DEREncodable;
      8 import org.bouncycastle.asn1.DERObject;
      9 import org.bouncycastle.asn1.DERTaggedObject;
     10 
     11 /**
     12  * The DistributionPointName object.
     13  * <pre>
     14  * DistributionPointName ::= CHOICE {
     15  *     fullName                 [0] GeneralNames,
     16  *     nameRelativeToCRLIssuer  [1] RDN
     17  * }
     18  * </pre>
     19  */
     20 public class DistributionPointName
     21     extends ASN1Encodable
     22     implements ASN1Choice
     23 {
     24     DEREncodable        name;
     25     int                 type;
     26 
     27     public static final int FULL_NAME = 0;
     28     public static final int NAME_RELATIVE_TO_CRL_ISSUER = 1;
     29 
     30     public static DistributionPointName getInstance(
     31         ASN1TaggedObject obj,
     32         boolean          explicit)
     33     {
     34         return getInstance(ASN1TaggedObject.getInstance(obj, true));
     35     }
     36 
     37     public static DistributionPointName getInstance(
     38         Object  obj)
     39     {
     40         if (obj == null || obj instanceof DistributionPointName)
     41         {
     42             return (DistributionPointName)obj;
     43         }
     44         else if (obj instanceof ASN1TaggedObject)
     45         {
     46             return new DistributionPointName((ASN1TaggedObject)obj);
     47         }
     48 
     49         throw new IllegalArgumentException("unknown object in factory: " + obj.getClass().getName());
     50     }
     51 
     52     /*
     53      * @deprecated use ASN1Encodable
     54      */
     55     public DistributionPointName(
     56         int             type,
     57         DEREncodable    name)
     58     {
     59         this.type = type;
     60         this.name = name;
     61     }
     62 
     63     public DistributionPointName(
     64         int             type,
     65         ASN1Encodable   name)
     66     {
     67         this.type = type;
     68         this.name = name;
     69     }
     70 
     71     public DistributionPointName(
     72         GeneralNames name)
     73     {
     74         this(FULL_NAME, name);
     75     }
     76 
     77     /**
     78      * Return the tag number applying to the underlying choice.
     79      *
     80      * @return the tag number for this point name.
     81      */
     82     public int getType()
     83     {
     84         return this.type;
     85     }
     86 
     87     /**
     88      * Return the tagged object inside the distribution point name.
     89      *
     90      * @return the underlying choice item.
     91      */
     92     public ASN1Encodable getName()
     93     {
     94         return (ASN1Encodable)name;
     95     }
     96 
     97     public DistributionPointName(
     98         ASN1TaggedObject    obj)
     99     {
    100         this.type = obj.getTagNo();
    101 
    102         if (type == 0)
    103         {
    104             this.name = GeneralNames.getInstance(obj, false);
    105         }
    106         else
    107         {
    108             this.name = ASN1Set.getInstance(obj, false);
    109         }
    110     }
    111 
    112     public DERObject toASN1Object()
    113     {
    114         return new DERTaggedObject(false, type, name);
    115     }
    116 
    117     public String toString()
    118     {
    119         String       sep = System.getProperty("line.separator");
    120         StringBuffer buf = new StringBuffer();
    121         buf.append("DistributionPointName: [");
    122         buf.append(sep);
    123         if (type == FULL_NAME)
    124         {
    125             appendObject(buf, sep, "fullName", name.toString());
    126         }
    127         else
    128         {
    129             appendObject(buf, sep, "nameRelativeToCRLIssuer", name.toString());
    130         }
    131         buf.append("]");
    132         buf.append(sep);
    133         return buf.toString();
    134     }
    135 
    136     private void appendObject(StringBuffer buf, String sep, String name, String value)
    137     {
    138         String       indent = "    ";
    139 
    140         buf.append(indent);
    141         buf.append(name);
    142         buf.append(":");
    143         buf.append(sep);
    144         buf.append(indent);
    145         buf.append(indent);
    146         buf.append(value);
    147         buf.append(sep);
    148     }
    149 }
    150