org.opensaml.xml.security.trust
Class ChainingTrustEngine<TokenType>

java.lang.Object
  org.opensaml.xml.security.trust.ChainingTrustEngine<TokenType>

Type Parameters:

TokenType - the token type this trust engine evaluates

All Implemented Interfaces:

TrustEngine<TokenType>

public class ChainingTrustEngine<TokenType>
extends Object
implements TrustEngine<TokenType>

Evaluate a token in sequence using a chain of subordinate trust engines. If the token may be established as trusted by any of the subordinate engines, the token is considered trusted. Otherwise it is considered untrusted.

Field Summary

private List<TrustEngine<TokenType>>	engines The chain of subordinate trust engines.
private Logger	log Class logger.

Constructor Summary

ChainingTrustEngine()
Constructor.

Method Summary

List<TrustEngine<TokenType>>	getChain() Get the list of configured trust engines which constitute the trust evaluation chain.
boolean	validate(TokenType token, CriteriaSet trustBasisCriteria) Validates the token against trusted information obtained in an implementation-specific manner.

Methods inherited from class java.lang.Object

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

Field Detail

log

private final Logger log

Class logger.

engines

private List<TrustEngine<TokenType>> engines

The chain of subordinate trust engines.

Constructor Detail

ChainingTrustEngine

public ChainingTrustEngine()

Constructor.

Method Detail

getChain

public List<TrustEngine<TokenType>> getChain()

Get the list of configured trust engines which constitute the trust evaluation chain.

Returns:

the modifiable list of trust engines in the chain

validate

public boolean validate(TokenType token,
                        CriteriaSet trustBasisCriteria)
                 throws SecurityException

Validates the token against trusted information obtained in an implementation-specific manner.

Specified by:

validate in interface TrustEngine<TokenType>

Parameters:

token - security token to validate

trustBasisCriteria - criteria used to describe and/or resolve the information which serves as the basis for trust evaluation

Returns:

true if the token is trusted and valid, false if not

Throws:

SecurityException - thrown if there is a problem validating the security token