OpenCard  
 
OCF, the OpenCard Framework is a standard Java framework for working with Smart Cards.  
 

com.ibm.opencard.handler
Class Request

java.lang.Object
  |
  +--com.ibm.opencard.handler.Request
public class Request
extends java.lang.Object

Objects of this class are used for communication between agents agency and handlers. When a Request is constructed, an ID, an argument buffer and a parameter buffer are assigned. The ID may changed during the lifetime of a request object. The buffers are supposed to be filled and cleared if required.

Version:
$Id: Request.java,v 1.1 1999/12/02 16:06:03 damke Exp $
See Also:
Buffer

Field Summary
static int AGENCY
          request to start a new agency
static int AGENT
          request for execution of an agent command
static int AUTHENTICATION
          request to perform an internal authentication of the card
static int BUFFER
          request to perform a buffer operation in the blackboard
static int CARD
          request for sending a command to the card
static int CHAINING
          request to create an initial chaining value
static int CLOSE_LINK
          request to close connection to a server
static int DECIPHER
          request to decipher data
static int ENCIPHER
          request to encipher data
static int EXPORT
          request used to export data from script to application
static int FUNCTION
          request to perform a generic function, for extendibility
static int IDENTIFICATION
          request for user identification, e.g.
static int IMPORT
          request used to import data from application to script
static int MESSAGE
          request to send a message to a remote agency
static int OK
          Indicates that no more requests need to be handled
static int OPEN_LINK
          request to open a connection to a server
static int SIGNATURE
          request to generate a digital signature (DES or RSA)
static int UNDEFINED
          undefined request
static int VALIDATION
          request to validate a digital signature (DES or RSA)
 
Constructor Summary
Request(int id, DataBuffer argument, TLVBuffer parameter)
          Create a request from the given arguments.
 
Method Summary
 DataBuffer argument()
          Return the argument buffer of this request.
 void argument(DataBuffer arg)
          Set the argument buffer of this request.
 int id()
          Return the ID of this buffer.
 TLVBuffer parameter()
          Return the parameter buffer of this request.
 void parameter(TLVBuffer param)
          Return the parameter buffer of this request.
 void setID(int id)
          Set the ID of this buffer to the given value.
 java.lang.String toString()
          Return this request as a string.
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
 

Field Detail

OK

public static final int OK
Indicates that no more requests need to be handled

AGENT

public static final int AGENT
request for execution of an agent command

BUFFER

public static final int BUFFER
request to perform a buffer operation in the blackboard

CARD

public static final int CARD
request for sending a command to the card

CHAINING

public static final int CHAINING
request to create an initial chaining value

DECIPHER

public static final int DECIPHER
request to decipher data

ENCIPHER

public static final int ENCIPHER
request to encipher data

EXPORT

public static final int EXPORT
request used to export data from script to application

IDENTIFICATION

public static final int IDENTIFICATION
request for user identification, e.g. PIN

IMPORT

public static final int IMPORT
request used to import data from application to script

SIGNATURE

public static final int SIGNATURE
request to generate a digital signature (DES or RSA)

VALIDATION

public static final int VALIDATION
request to validate a digital signature (DES or RSA)

AGENCY

public static final int AGENCY
request to start a new agency

FUNCTION

public static final int FUNCTION
request to perform a generic function, for extendibility

MESSAGE

public static final int MESSAGE
request to send a message to a remote agency

AUTHENTICATION

public static final int AUTHENTICATION
request to perform an internal authentication of the card

OPEN_LINK

public static final int OPEN_LINK
request to open a connection to a server

CLOSE_LINK

public static final int CLOSE_LINK
request to close connection to a server

UNDEFINED

public static final int UNDEFINED
undefined request
Constructor Detail

Request

public Request(int id,
               DataBuffer argument,
               TLVBuffer parameter)
Create a request from the given arguments.
Parameters:
id - The request id
argument - The argument buffer
parameter - The parameter buffer
Method Detail

id

public int id()
Return the ID of this buffer.
Returns:
This request's ID.

setID

public void setID(int id)
Set the ID of this buffer to the given value.
Parameters:
The - new ID.

argument

public DataBuffer argument()
Return the argument buffer of this request.
Returns:
This request's argument buffer

parameter

public TLVBuffer parameter()
Return the parameter buffer of this request.
Returns:
This request's parameter buffer

argument

public void argument(DataBuffer arg)
Set the argument buffer of this request.
Parameters:
arg - The new argument buffer

parameter

public void parameter(TLVBuffer param)
Return the parameter buffer of this request.
Parameters:
param - The new parameter buffer

toString

public java.lang.String toString()
Return this request as a string.
Returns:
This request's parameter buffer
Overrides:
toString in class java.lang.Object