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20 package org.apache.directory.server.kerberos.shared.io.decoder;
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23 import java.util.Enumeration;
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25 import org.apache.directory.server.kerberos.shared.messages.value.PrincipalName;
26 import org.apache.directory.shared.asn1.der.DEREncodable;
27 import org.apache.directory.shared.asn1.der.DERGeneralString;
28 import org.apache.directory.shared.asn1.der.DERInteger;
29 import org.apache.directory.shared.asn1.der.DERSequence;
30 import org.apache.directory.shared.asn1.der.DERTaggedObject;
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37 public class PrincipalNameDecoder
38 {
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50 public static PrincipalName decode( DERSequence sequence )
51 {
52 PrincipalName principalName = new PrincipalName();
53
54 for ( Enumeration<DEREncodable> e = sequence.getObjects(); e.hasMoreElements(); )
55 {
56 DERTaggedObject object = ( DERTaggedObject ) e.nextElement();
57 int tag = object.getTagNo();
58 DEREncodable derObject = object.getObject();
59
60 switch ( tag )
61 {
62 case 0:
63 DERInteger nameType = ( DERInteger ) derObject;
64 principalName.setNameType( nameType.intValue() );
65 break;
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67 case 1:
68 DERSequence nameString = ( DERSequence ) derObject;
69 decodeNameString( nameString, principalName );
70 break;
71 }
72 }
73
74 return principalName;
75 }
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78 private static void decodeNameString( DERSequence sequence, PrincipalName principalName )
79 {
80 for ( Enumeration<DEREncodable> e = sequence.getObjects(); e.hasMoreElements(); )
81 {
82 DERGeneralString object = ( DERGeneralString ) e.nextElement();
83 principalName.addName( object.getString() );
84 }
85 }
86 }