Subversion Repositories scarts

/* GeneralNames.java -- the GeneralNames object

   Copyright (C) 2004  Free Software Foundation, Inc.

This file is part of GNU Classpath.

GNU Classpath is free software; you can redistribute it and/or modify

it under the terms of the GNU General Public License as published by

the Free Software Foundation; either version 2, or (at your option)

any later version.

GNU Classpath is distributed in the hope that it will be useful, but

WITHOUT ANY WARRANTY; without even the implied warranty of

MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

General Public License for more details.

You should have received a copy of the GNU General Public License

along with GNU Classpath; see the file COPYING.  If not, write to the

Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA

02110-1301 USA.

Linking this library statically or dynamically with other modules is

making a combined work based on this library.  Thus, the terms and

conditions of the GNU General Public License cover the whole

combination.

As a special exception, the copyright holders of this library give you

permission to link this library with independent modules to produce an

executable, regardless of the license terms of these independent

modules, and to copy and distribute the resulting executable under

terms of your choice, provided that you also meet, for each linked

independent module, the terms and conditions of the license of that

module.  An independent module is a module which is not derived from

or based on this library.  If you modify this library, you may extend

this exception to your version of the library, but you are not

obligated to do so.  If you do not wish to do so, delete this

exception statement from your version. */

package gnu.java.security.x509.ext;

import gnu.java.security.OID;

import gnu.java.security.der.DER;

import gnu.java.security.der.DERReader;

import gnu.java.security.der.DERValue;

import gnu.java.security.x509.X500DistinguishedName;

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;

public class GeneralNames

{

  // Instance methods.

  // -------------------------------------------------------------------------

  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;

  // Constructor.

  // -------------------------------------------------------------------------

  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();

      }

  }

  // Instance methods.

  // -------------------------------------------------------------------------

  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 + " ]";

  }

}