/*
*
*
* Copyright 1990-2007 Sun Microsystems, Inc. All Rights Reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License version
* 2 only, as published by the Free Software Foundation.
*
* 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 version 2 for more details (a copy is
* included at /legal/license.txt).
*
* You should have received a copy of the GNU General Public License
* version 2 along with this work; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA
*
* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
* Clara, CA 95054 or visit www.sun.com if you need additional
* information or have any questions.
*/
package com.sun.satsa.util.pkcs15;
import java.util.Vector;
import java.io.IOException;
import com.sun.satsa.util.*;
/**
* This class represents the PKCS15 DODF file.
* <pre>
* It is assumed that the DODF file has the following content:
* opaqueDO: <value>
* externalIDO: 0x80 <len> <value>
* oidDO: 0xA1 <len+2>
* TLV.CONSTRUCTED+TLV.SEQUENCE_TYPE <len>
* TLV.OID_TYPE
* TLV.OCTETSTR_TYPE or something else
* </pre>
*/
public class DODF extends PKCS15File {
/**
* <pre>
* DODF entries tags.
* These tags means the context-specific constructed type and tag of
* DataType ::= CHOICE {
* opaqueDO DataObject {Opaque},
* externalIDO [0] DataObject {ExternalIDO},
* oidDO [1] DataObject {OidDO},
* }
* </pre>
*/
/** opaqueDO DODF entry tag. */
public static final int DODFTAG_OPAQUEDO = TLV.SEQUENCE_TYPE;
/** externalIDO DODF entry tag. */
/* It is assumed that this type is primitive (not constructed) */
public static final int DODFTAG_EXTIDO = 0x80;
/** oidDO DODF entry tag. */
public static final int DODFTAG_OIDDO = 0xA1;
/** This vector contains parsed objects from DODF. */
private Vector DODF;
/** Staff variable used in the readDODF function */
private TLV typeTLV;
/** Staff variable used for the OidDo object store */
private TLV oidTLV;
/** Staff variable used for the ExtIDo object store */
private TLV valueTLV;
/** This vector contains parsed OidDo objects from DODF. */
private Vector OidDo = new Vector();
/** This vector contains parsed ExtIDo objects from DODF. */
private Vector ExtIDo = new Vector();
/** This vector contains parsed OpaqueDo objects from DODF. */
private Vector OpaqueDo = new Vector();
/**
* Creates DODF object for the pointed location and file system
* @param location Location required location
* @param files FileSystemAbstract requred file system
*/
public DODF(Location location, FileSystemAbstract files) {
super(location, files);
}
/**
* Loads DODF object from the file system
* @throws IOException if I/O error occurs
* @throws TLVException if TLV error occurs
*/
public void load() throws IOException, TLVException {
DODF = new Vector();
resetLoader(DODF, null, null);
parseDF(location.path);
readDODF();
}
/**
* <pre>
* Reads DODF data from the DODF vector.
* The DODF file contains information about DO files in the following
* format:
* CONTEXT_CONSTRUCTED_0 { the ExternalIDO
* <Object value>
* }
* CONTEXT_CONSTRUCTED_1 { the oidDO
* OID_TYPE Object ID
* <Object value>
* }
* }
* }
* </pre>
*/
private void readDODF() {
TLV typeTLV = (TLV) DODF.firstElement();
while (typeTLV != null) {
switch (typeTLV.type) {
case DODFTAG_EXTIDO: {
valueTLV = typeTLV;
ExtIDo.addElement(valueTLV);
break;
}
case DODFTAG_OIDDO: {
oidTLV = typeTLV.child.next.next.child.child;
OidDo.addElement(oidTLV);
break;
}
default: {
OpaqueDo.addElement(typeTLV);
break;
}
}
typeTLV = typeTLV.next;
}
}
/**
* Returns the number of the OidDo objects in the DODF file
* @return int number
*/
public int getOidDoNumber() {
return OidDo.size();
}
/**
* Returns OID of the pointed OidDo object
* @param index int index of the OidDo object
* @return byte[] OID
*/
public byte[] getOid(int index) {
return ((TLV)OidDo.elementAt(index)).getValue();
}
/**
* Returns value of the pointed OidDo object
* @param index int index of the OidDo object
* @return TLV contained the required object
*/
public TLV getOidDoValueTLV(int index) {
return ((TLV)OidDo.elementAt(index)).next.child;
}
}
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