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// --- BEGIN COPYRIGHT BLOCK ---
// This program 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; version 2 of the License.
//
// This program 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 this program; if not, write to the Free Software Foundation, Inc.,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
//
// (C) 2007 Red Hat, Inc.
// All rights reserved.
// --- END COPYRIGHT BLOCK ---
package netscape.security.x509;
import java.io.IOException;
import netscape.security.util.DerInputStream;
import netscape.security.util.DerOutputStream;
import netscape.security.util.DerValue;
/**
* This class defines the EDIPartyName of the GeneralName choice.
* The ASN.1 syntax for this is:
* <pre>
* EDIPartyName ::= SEQUENCE {
* nameAssigner [0] DirectoryString OPTIONAL,
* partyName [1] DirectoryString }
* </pre>
*
* @author Hemma Prafullchandra
* @version 1.2
* @see GeneralName
* @see GeneralNames
* @see GeneralNameInterface
*/
public class EDIPartyName implements GeneralNameInterface {
// Private data members
private static final byte TAG_ASSIGNER = 0;
private static final byte TAG_PARTYNAME = 1;
private String assigner = null;
private String party = null;
/**
* Create the EDIPartyName object from the specified names.
*
* @param assignerName the name of the assigner
* @param partyName the name of the EDI party.
*/
public EDIPartyName(String assignerName, String partyName) {
this.assigner = assignerName;
this.party = partyName;
}
/**
* Create the EDIPartyName object from the specified name.
*
* @param partyName the name of the EDI party.
*/
public EDIPartyName(String partyName) {
this.party = partyName;
}
/**
* Create the EDIPartyName object from the passed encoded Der value.
*
* @param derValue the encoded DER EDIPartyName.
* @exception IOException on error.
*/
public EDIPartyName(DerValue derValue) throws IOException {
DerInputStream in = new DerInputStream(derValue.toByteArray());
DerValue[] seq = in.getSequence(2);
int len = seq.length;
if (len < 1 || len > 2)
throw new IOException("Invalid encoding of EDIPartyName");
for (int i = 0; i < len; i++) {
DerValue opt = seq[i];
if (opt.isContextSpecific((byte)TAG_ASSIGNER) &&
!opt.isConstructed()) {
if (assigner != null)
throw new IOException("Duplicate nameAssigner found in"
+ " EDIPartyName");
opt = opt.data.getDerValue();
assigner = opt.getAsString();
}
if (opt.isContextSpecific((byte)TAG_PARTYNAME) &&
!opt.isConstructed()) {
if (party != null)
throw new IOException("Duplicate partyName found in"
+ " EDIPartyName");
opt = opt.data.getDerValue();
party = opt.getAsString();
}
}
}
/**
* Return the type of the GeneralName.
*/
public int getType() {
return (GeneralNameInterface.NAME_EDI);
}
/**
* Encode the EDI party name into the DerOutputStream.
*
* @param out the DER stream to encode the EDIPartyName to.
* @exception IOException on encoding errors.
*/
public void encode(DerOutputStream out) throws IOException {
DerOutputStream tagged = new DerOutputStream();
DerOutputStream tmp = new DerOutputStream();
if (assigner != null) {
DerOutputStream tmp2 = new DerOutputStream();
// XXX - shd check is chars fit into PrintableString
tmp2.putPrintableString(assigner);
tagged.write(DerValue.createTag(DerValue.TAG_CONTEXT,
false, TAG_ASSIGNER), tmp2);
}
if (party == null)
throw new IOException("Cannot have null partyName");
// XXX - shd check is chars fit into PrintableString
tmp.putPrintableString(party);
tagged.write(DerValue.createTag(DerValue.TAG_CONTEXT,
false, TAG_PARTYNAME), tmp);
out.write(DerValue.tag_Sequence, tagged);
}
/**
* Return the printable string.
*/
public String toString() {
return ("EDIPartyName: " +
((assigner == null) ? "" :
(" nameAssigner = " + assigner + ","))
+ " partyName = " + party);
}
}
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