org.opensaml.common.impl
Class SecureRandomIdentifierGenerator

java.lang.Object
  org.opensaml.common.impl.SecureRandomIdentifierGenerator

All Implemented Interfaces:

IdentifierGenerator

public class SecureRandomIdentifierGenerator
extends Object
implements IdentifierGenerator

Generates identifiers using random data obtained from a SecureRandom instance.

Constructor Summary

SecureRandomIdentifierGenerator()
Constructor.

SecureRandomIdentifierGenerator(String algorithm)
Constructor.

Method Summary

String	generateIdentifier() Generates a 16 byte identifier.
String	generateIdentifier(int size) Generates a random identifier.

Methods inherited from class java.lang.Object

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

Constructor Detail

SecureRandomIdentifierGenerator

public SecureRandomIdentifierGenerator()
                                throws NoSuchAlgorithmException

Constructor.

Throws:

NoSuchAlgorithmException - thrown if the SHA1PRNG algorithm is not supported by the JVM

SecureRandomIdentifierGenerator

public SecureRandomIdentifierGenerator(String algorithm)
                                throws NoSuchAlgorithmException

Constructor.

Parameters:

algorithm - the random number generation algorithm to use

Throws:

NoSuchAlgorithmException - thrown if the algorithm is not supported by the JVM

Method Detail

generateIdentifier

public String generateIdentifier()

Generates a 16 byte identifier.

Specified by:

generateIdentifier in interface IdentifierGenerator

Returns:

an hex encoded identifier

generateIdentifier

public String generateIdentifier(int size)

Generates a random identifier.

Specified by:

generateIdentifier in interface IdentifierGenerator

Parameters:

size - number of bytes in the identifier

Returns:

the hex encoded identifier