CurrentEnvModule

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com.sun.xacml.finder.impl
Class CurrentEnvModule

java.lang.Object
  com.sun.xacml.finder.AttributeFinderModule
      com.sun.xacml.finder.impl.CurrentEnvModule

public class CurrentEnvModule
extends com.sun.xacml.finder.AttributeFinderModule

Supports the current date, time, and dateTime values. The XACML specification states that these three values must always be available to a PDP. They may be included in the request, but if they're not, a PDP must be able to recognize the attribute and generate the correct value. The module provides support for this feature by generating real-time values as known at the host where this module is running.

This class uses the caching functions of EvaluationCtx to make sure that values are constant within an evaluation, if that is the desired behavior.

Since:: 1.0

Field Summary

static java.lang.String ENVIRONMENT_CURRENT_DATE
          Standard environment variable that represents the current date

static java.lang.String ENVIRONMENT_CURRENT_DATETIME
          Standard environment variable that represents the current date and time

static java.lang.String ENVIRONMENT_CURRENT_TIME
          Standard environment variable that represents the current time

Constructor Summary

CurrentEnvModule()


Method Summary

com.sun.xacml.cond.EvaluationResult findAttribute(java.net.URI attributeType, java.net.URI attributeId, java.net.URI issuer, java.net.URI subjectCategory, com.sun.xacml.EvaluationCtx context, int designatorType)
          Used to get the current time, date, or dateTime.

java.util.Set getSupportedDesignatorTypes()
          Returns a Set with a single Integer specifying that environment attributes are supported by this module.

private com.sun.xacml.cond.EvaluationResult handleDate(java.net.URI type, java.net.URI issuer, com.sun.xacml.EvaluationCtx context)
          Handles requests for the current Date.

private com.sun.xacml.cond.EvaluationResult handleDateTime(java.net.URI type, java.net.URI issuer, com.sun.xacml.EvaluationCtx context)
          Handles requests for the current DateTime.

private com.sun.xacml.cond.EvaluationResult handleTime(java.net.URI type, java.net.URI issuer, com.sun.xacml.EvaluationCtx context)
          Handles requests for the current Time.

boolean isDesignatorSupported()
          Returns true always because this module supports designators.

private com.sun.xacml.cond.EvaluationResult makeBag(com.sun.xacml.attr.AttributeValue attribute)
          Private helper that makes a bag containing only the given attribute.

private com.sun.xacml.cond.EvaluationResult makeProcessingError(java.lang.String message)
          Private helper that generates a new processing error status and includes the given string.

Methods inherited from class com.sun.xacml.finder.AttributeFinderModule

findAttribute, getIdentifier, getSupportedIds, invalidateCache, isSelectorSupported

Methods inherited from class java.lang.Object

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

Field Detail

ENVIRONMENT_CURRENT_TIME

public static final java.lang.String ENVIRONMENT_CURRENT_TIME

Standard environment variable that represents the current time

See Also:: Constant Field Values

ENVIRONMENT_CURRENT_DATE

public static final java.lang.String ENVIRONMENT_CURRENT_DATE

Standard environment variable that represents the current date

See Also:: Constant Field Values

ENVIRONMENT_CURRENT_DATETIME

public static final java.lang.String ENVIRONMENT_CURRENT_DATETIME

Standard environment variable that represents the current date and time

See Also:: Constant Field Values

Constructor Detail