Module com.itemis.jscdlib

Package com.itemis.jscdlib

Class SCardLibHandle

java.lang.Object

com.itemis.jscdlib.SCardLibHandle

All Implemented Interfaces:

AutoCloseable

public final class SCardLibHandle
extends Object
implements AutoCloseable

Provides convenient Java versions of SCard based functionality.

See Also:

• https://docs.microsoft.com/en-us/windows/win32/api/winscard/

Constructor Summary

Constructors

Constructor	Description
SCardLibHandle(ScardLibNativeBridge bridge)

Method Summary

Modifier and Type	Method	Description
void	close()
List<String>	listReaders()	Query the OS for available smart card readers.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

SCardLibHandle

public SCardLibHandle(ScardLibNativeBridge bridge)

Method Details

listReaders

public List<String> listReaders()

Query the OS for available smart card readers.

Be aware: The current implementation of this method allocates and destroys resources each time this method is called, which is a very costly operation. Thus it is not a good idea to call this method very often in small amount of time.

Returns:

A list of available reader names or empty list if none is available.

Throws:

JScdException - if something went wrong.

close

public void close()
           throws Exception

Specified by:

close in interface AutoCloseable

Throws:

Exception