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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 com.netscape.cmsutil.ocsp;
import org.mozilla.jss.pkix.cert.Extension;
import org.mozilla.jss.asn1.*;
import java.io.*;
/**
* RFC 2560:
*
* <pre>
* TBSRequest ::= SEQUENCE {
* version [0] EXPLICIT Version DEFAULT v1,
* requestorName [1] EXPLICIT GeneralName OPTIONAL,
* requestList SEQUENCE OF Request,
* requestExtensions [2] EXPLICIT Extensions OPTIONAL }
* </pre>
*
* @version $Revision$ $Date$
*/
public class TBSRequest implements ASN1Value
{
///////////////////////////////////////////////////////////////////////
// members and member access
///////////////////////////////////////////////////////////////////////
private static final INTEGER v1 = new INTEGER (0);
private INTEGER version;
private ANY requestorName;
private SEQUENCE requestList;
private SEQUENCE requestExtensions;
public INTEGER getVersion()
{
return version;
}
public ANY getRequestorName()
{
return requestorName;
}
public int getRequestCount()
{
if (requestList == null) {
return 0;
} else {
return requestList.size();
}
}
public Request getRequestAt(int index)
{
return (Request) requestList.elementAt(index);
}
public int getExtensionsCount()
{
if (requestExtensions == null) {
return 0;
} else {
return requestExtensions.size();
}
}
public Extension getRequestExtensionAt(int index)
{
return (Extension) requestExtensions.elementAt(index);
}
///////////////////////////////////////////////////////////////////////
// constructors
///////////////////////////////////////////////////////////////////////
private TBSRequest() {}
public TBSRequest(INTEGER version, ANY requestorName,
SEQUENCE requestList, SEQUENCE requestExtensions)
{
this.version = (version != null) ? version : v1;
this.requestorName = requestorName;
this.requestList = requestList;
this.requestExtensions = requestExtensions;
}
///////////////////////////////////////////////////////////////////////
// encode / decode
///////////////////////////////////////////////////////////////////////
public static final Tag TAG = SEQUENCE.TAG;
public Tag getTag()
{
return TAG;
}
public void encode(OutputStream ostream)
throws IOException
{
encode(TAG, ostream);
}
public void encode(Tag implicitTag, OutputStream ostream)
throws IOException
{
SEQUENCE seq = new SEQUENCE();
if (version != v1) {
seq.addElement(new EXPLICIT(Tag.get(0), version));
}
if (requestorName != null) {
seq.addElement(new EXPLICIT(Tag.get(1), requestorName));
}
seq.addElement(requestList);
if (requestExtensions != null) {
seq.addElement(new EXPLICIT(Tag.get(2), requestExtensions));
}
if (implicitTag == null) {
seq.encode(ostream);
} else {
seq.encode(implicitTag, ostream);
}
}
private static final Template templateInstance = new Template();
public static Template getTemplate()
{
return templateInstance;
}
/**
* A Template for decoding TBSRequest.
*/
public static class Template implements ASN1Template
{
private SEQUENCE.Template seqt;
public Template()
{
seqt = new SEQUENCE.Template();
seqt.addElement(
new EXPLICIT.Template(
new Tag(0), new INTEGER.Template()),
new EXPLICIT( new Tag(0), new INTEGER(0))
);
seqt.addOptionalElement(
new EXPLICIT.Template(
new Tag (1), new ANY.Template()) );
seqt.addElement( new SEQUENCE.OF_Template(new Request.Template()) );
seqt.addOptionalElement(new EXPLICIT.Template(new Tag(2),
new SEQUENCE.OF_Template(new Extension.Template())) );
}
public boolean tagMatch(Tag tag)
{
return TAG.equals(tag);
}
public ASN1Value decode(InputStream istream)
throws InvalidBERException, IOException
{
return decode(TAG, istream);
}
public ASN1Value decode(Tag implicitTag, InputStream istream)
throws InvalidBERException, IOException
{
SEQUENCE seq = (SEQUENCE) seqt.decode(implicitTag, istream);
INTEGER v = v1; //assume default version
EXPLICIT e_ver = (EXPLICIT) seq.elementAt(0);
if (e_ver != null) {
v = (INTEGER) e_ver.getContent();
}
ANY requestorname = null;
EXPLICIT e_requestorName = (EXPLICIT) seq.elementAt(1);
if (e_requestorName != null) {
requestorname = (ANY) e_requestorName.getContent();
}
//request sequence (element 2) done below
EXPLICIT exts = (EXPLICIT) seq.elementAt(3);
SEQUENCE exts_seq;
if (exts != null) {
exts_seq = (SEQUENCE)exts.getContent();
} else {
exts_seq = null;
}
return new TBSRequest(
v,
requestorname,
(SEQUENCE) seq.elementAt(2),
exts_seq);
}
}
}
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