org.opensaml.xml.security.credential.criteria
Class EvaluableUsageCredentialCriteria

java.lang.Object
  org.opensaml.xml.security.credential.criteria.EvaluableUsageCredentialCriteria

All Implemented Interfaces:

EvaluableCredentialCriteria, Criteria, EvaluableCriteria<Credential>

public class EvaluableUsageCredentialCriteria
extends Object
implements EvaluableCredentialCriteria

Instance of evaluable credential criteria for evaluating whether a credential contains a particular usage specifier.

Constructor Summary

EvaluableUsageCredentialCriteria(UsageCriteria criteria)
Constructor.

EvaluableUsageCredentialCriteria(UsageType newUsage)
Constructor.

Method Summary

Boolean	evaluate(Credential target) Evaluate the target.
protected boolean	matchUsage(UsageType credentialUsage, UsageType criteriaUsage) Match usage enum type values from credential and criteria.

Methods inherited from class java.lang.Object

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

Constructor Detail

EvaluableUsageCredentialCriteria

public EvaluableUsageCredentialCriteria(UsageCriteria criteria)

Constructor.

Parameters:

criteria - the criteria which is the basis for evaluation

EvaluableUsageCredentialCriteria

public EvaluableUsageCredentialCriteria(UsageType newUsage)

Constructor.

Parameters:

newUsage - the criteria value which is the basis for evaluation

Method Detail

evaluate

public Boolean evaluate(Credential target)

Evaluate the target. The result of evaluation is one of the following values:

• Boolean.TRUE if the target satisfies the criteria
• Boolean.FALSE if the target does not satisfy criteria
• null if the target can not be evaluated against the criteria

Specified by:

evaluate in interface EvaluableCriteria<Credential>

Parameters:

target - the object to be evaluated

Returns:

the result of evaluation

matchUsage

protected boolean matchUsage(UsageType credentialUsage,
                             UsageType criteriaUsage)

Match usage enum type values from credential and criteria.

Parameters:

credentialUsage - the usage value from the credential

criteriaUsage - the usage value from the criteria

Returns:

true if the two usage specifiers match for purposes of resolving credentials, false otherwise