package gnu.java.security.x509.ext;
import java.io.IOException;
import java.net.InetAddress;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Iterator;
import java.util.LinkedList;
import java.util.List;
import gnu.java.security.OID;
import gnu.java.security.x509.X500DistinguishedName;
import gnu.java.security.der.DER;
import gnu.java.security.der.DERReader;
import gnu.java.security.der.DERValue;
public class GeneralNames
{
public static final int OTHER_NAME = 0;
public static final int RFC822_NAME = 1;
public static final int DNS_NAME = 2;
public static final int X400_ADDRESS = 3;
public static final int DIRECTORY_NAME = 4;
public static final int EDI_PARTY_NAME = 5;
public static final int URI = 6;
public static final int IP_ADDRESS = 7;
public static final int REGISTERED_ID = 8;
private List names;
public GeneralNames(final byte[] encoded) throws IOException
{
names = new LinkedList();
DERReader der = new DERReader(encoded);
DERValue nameList = der.read();
if (!nameList.isConstructed())
throw new IOException("malformed GeneralNames");
int len = 0;
while (len < nameList.getLength())
{
DERValue name = der.read();
List namePair = new ArrayList(2);
if (name.getTagClass() != DER.APPLICATION)
throw new IOException("malformed GeneralName");
namePair.add(new Integer(name.getTag()));
DERValue val = null;
switch (name.getTag())
{
case RFC822_NAME:
case DNS_NAME:
case X400_ADDRESS:
case URI:
namePair.add(new String((byte[]) name.getValue()));
break;
case OTHER_NAME:
case EDI_PARTY_NAME:
namePair.add(name.getValue());
break;
case DIRECTORY_NAME:
byte[] b = name.getEncoded();
b[0] = (byte) (DER.CONSTRUCTED|DER.SEQUENCE);
namePair.add(new X500DistinguishedName(b).toString());
break;
case IP_ADDRESS:
namePair.add(InetAddress.getByAddress((byte[]) name.getValue())
.getHostAddress());
break;
case REGISTERED_ID:
byte[] bb = name.getEncoded();
bb[0] = (byte) DER.OBJECT_IDENTIFIER;
namePair.add(new OID(bb).toString());
break;
default:
throw new IOException("unknown tag " + name.getTag());
}
names.add(namePair);
len += name.getEncodedLength();
}
}
public List getNames()
{
List l = new ArrayList(names.size());
for (Iterator it = names.iterator(); it.hasNext(); )
{
List ll = (List) it.next();
List pair = new ArrayList(2);
pair.add(ll.get(0));
if (ll.get(1) instanceof byte[])
pair.add(((byte[]) ll.get(1)).clone());
else
pair.add(ll.get(1));
l.add(Collections.unmodifiableList(pair));
}
return Collections.unmodifiableList(l);
}
public String toString()
{
return GeneralNames.class.getName() + " [ " + names + " ]";
}
}