de.fhg.igd.crypto
Class Providers

java.lang.Object
  de.fhg.igd.crypto.Providers

public class Providers
extends Object

Sets and resets the JCE Providers.

Version:

"$Id: Providers.java 1913 2007-08-08 02:41:53Z jpeters $"

Author:

Volker Roth

Field Summary

static String	ALG_ALIAS Prefix for algorithm alias properties of a crypto provider.
static String	DESCR The definitions of options understood by this tool.
static String	INDENT A string of blanks for simple beautifying of output.
protected static Map	pmap_ The map that maps provider names to their base class.

Constructor Summary

Providers()

Method Summary

static void	add(String[] aliases) Adds the given providers.
protected static void	clear() Clears the list of registered Java Security Providers.
static void	dumpProviders(PrintStream out) Prints the list of registered Providers to the given PrintStream.
static Map	initProviderMap() Initialises the map that maps names of providers to the repsective provider classes.
static void	main(String[] argv)
static void	printAliases(PrintStream out) Prints the list of known alias names to the given PrintStream.
static void	printProviders(PrintStream out) Prints the list of registered Providers to the given PrintStream.
static void	searchAlgorithm(PrintStream out, String alg) Searches an algorithm within the registered provider list and prints the search result to the given PrintStream.

Methods inherited from class java.lang.Object

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

Field Detail

DESCR

public static final String DESCR

The definitions of options understood by this tool.

See Also:

Constant Field Values

INDENT

public static final String INDENT

A string of blanks for simple beautifying of output.

See Also:

Constant Field Values

ALG_ALIAS

public static final String ALG_ALIAS

Prefix for algorithm alias properties of a crypto provider.

See Also:

Constant Field Values

pmap_

protected static Map pmap_

The map that maps provider names to their base class.

Constructor Detail

Providers

public Providers()

Method Detail

initProviderMap

public static Map initProviderMap()

Initialises the map that maps names of providers to the repsective provider classes.

printAliases

public static void printAliases(PrintStream out)
                         throws IOException

Prints the list of known alias names to the given PrintStream.

Parameters:

out - The PrintStream to which the known aliases are written.

Throws:

IOException

printProviders

public static void printProviders(PrintStream out)

Prints the list of registered Providers to the given PrintStream.

Parameters:

out - The PrintStream to which the list of registered Providers is written.

dumpProviders

public static void dumpProviders(PrintStream out)

Prints the list of registered Providers to the given PrintStream.

Parameters:

out - The PrintStream to which the list of registered Providers is written.

searchAlgorithm

public static void searchAlgorithm(PrintStream out,
                                   String alg)

Searches an algorithm within the registered provider list and prints the search result to the given PrintStream.

Parameters:

out - The PrintStream to which the search result is written.

out - The algorithm to search within the registered provider list.

clear

protected static void clear()

Clears the list of registered Java Security Providers.

add

public static void add(String[] aliases)
                throws NoSuchProviderException

Adds the given providers. The given strings can either be known aliases of the providers, or the names of the classes of the Providers.

Parameters:

aliases - The known aliases of the Providers to add, or the names of the respective classes.

Throws:

NoSuchProviderException - if the class of a given Provider cannot be found.

main

public static void main(String[] argv)
                 throws Exception

Throws:

Exception