Package com.sun.xacml

Examples of com.sun.xacml.AbstractPolicy

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    public Result combine(EvaluationCtx context, List<CombinerParameter> parameters,
            List<? extends CombinerElement> policyElements) {
        Iterator<? extends CombinerElement> it = policyElements.iterator();

        while (it.hasNext()) {
            AbstractPolicy policy = ((PolicyCombinerElement) (it.next())).getPolicy();

            // make sure that the policy matches the context
            MatchResult match = policy.match(context);

            if (match.getResult() == MatchResult.INDETERMINATE)
                return new Result(Result.DECISION_INDETERMINATE, match.getStatus(), context
                        .getResourceId().encode());

            if (match.getResult() == MatchResult.MATCH) {
                // evaluate the policy
                Result result = policy.evaluate(context);
                int effect = result.getDecision();

                // in the case of PERMIT, DENY, or INDETERMINATE, we always
                // just return that result, so only on a rule that doesn't
                // apply do we keep going...
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        Set<Obligation> denyObligations = new HashSet<Obligation>();
        Status firstIndeterminateStatus = null;
        Iterator<? extends CombinerElement> it = policyElements.iterator();

        while (it.hasNext()) {
            AbstractPolicy policy = ((PolicyCombinerElement) (it.next())).getPolicy();

            // make sure that the policy matches the context
            MatchResult match = policy.match(context);

            if (match.getResult() == MatchResult.INDETERMINATE) {
                atLeastOneError = true;

                // keep track of the first error, regardless of cause
                if (firstIndeterminateStatus == null)
                    firstIndeterminateStatus = match.getStatus();
            } else if (match.getResult() == MatchResult.MATCH) {
                // now we evaluate the policy
                Result result = policy.evaluate(context);
                int effect = result.getDecision();

                // this is a little different from DenyOverrides...

                if (effect == Result.DECISION_PERMIT)
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    public void init(PolicyFinder finder) {
        PolicyReader reader = new PolicyReader(finder, logger, schemaFile);

        for (String fname : fileNames) {
            try {
                AbstractPolicy policy = reader.readPolicy(new FileInputStream(fname));
                policies.addPolicy(policy);
            } catch (FileNotFoundException fnfe) {
                if (logger.isLoggable(Level.WARNING))
                    logger.log(Level.WARNING, "File couldn't be read: " + fname, fnfe);
            } catch (ParsingException pe) {
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     *
     * @return the result of trying to find an applicable policy
     */
    public PolicyFinderResult findPolicy(EvaluationCtx context) {
        try {
            AbstractPolicy policy = policies.getPolicy(context);
            if (policy == null)
                return new PolicyFinderResult();
            else
                return new PolicyFinderResult(policy);
        } catch (TopLevelPolicyException tlpe) {
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     * @param indenter
     *            an object that creates indentation strings
     */
    public void encode(OutputStream output, Indenter indenter) {
        if (!getParameters().isEmpty()) {
            AbstractPolicy policy = getPolicy();

            // FIXME: This is ugly and happens in several places...maybe this
            // should get folded into the AbstractPolicy API?
            if (policy instanceof Policy) {
                encodeParamaters(output, indenter, "Policy", policy.getId().toString());
            } else if (policy instanceof PolicySet) {
                encodeParamaters(output, indenter, "PolicySet", policy.getId().toString());
            } else {
                PolicyReference ref = (PolicyReference) policy;
                if (ref.getReferenceType() == PolicyReference.POLICY_REFERENCE)
                    encodeParamaters(output, indenter, "Policy", ref.getReference().toString());
                else
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        boolean atLeastOnePermit = false;
        Set<Obligation> permitObligations = new HashSet<Obligation>();
        Iterator<? extends CombinerElement> it = policyElements.iterator();

        while (it.hasNext()) {
            AbstractPolicy policy = ((PolicyCombinerElement) (it.next())).getPolicy();

            // make sure that the policy matches the context
            MatchResult match = policy.match(context);

            if (match.getResult() == MatchResult.INDETERMINATE)
                return new Result(Result.DECISION_DENY, context.getResourceId().encode());

            if (match.getResult() == MatchResult.MATCH) {
                // evaluate the policy
                Result result = policy.evaluate(context);
                int effect = result.getDecision();

                // unlike in the RuleCombining version of this alg, we always
                // return DENY if any Policy returns DENY or INDETERMINATE
                if ((effect == Result.DECISION_DENY) || (effect == Result.DECISION_INDETERMINATE))
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     *             if the policy cannot be loaded
     */
    public void setPolicies(String policyFile) throws Exception {
        policies.clear();

        AbstractPolicy policy = loadPolicy(policyFile, finder);
        if (policy == null)
            throw new Exception("failed to load policy");

        policies.add(policy);
    }
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        Iterator<String> it = policyFiles.iterator();

        policies.clear();

        while (it.hasNext()) {
            AbstractPolicy policy = loadPolicy(it.next(), finder);
            if (policy == null)
                throw new Exception("failed to load policy");

            policies.add(policy);
        }
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     *            the evaluation context
     *
     * @return an applicable policy, if one exists, or an error
     */
    public PolicyFinderResult findPolicy(EvaluationCtx context) {
        AbstractPolicy selectedPolicy = null;
        Iterator<AbstractPolicy> it = policies.iterator();

        // iterate through all the policies we currently have loaded
        while (it.hasNext()) {
            AbstractPolicy policy = it.next();
            MatchResult match = policy.match(context);
            int result = match.getResult();

            // if target matching was indeterminate, then return the error
            if (result == MatchResult.INDETERMINATE)
                return new PolicyFinderResult(match.getStatus());
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            fileName = policyRefPrefix + fileName;
        else
            fileName = policySetRefPrefix + fileName;

        // load the referenced policy
        AbstractPolicy policy = loadPolicy(fileName, finder);

        // if there was an error loading the policy, return the error
        if (policy == null) {
            ArrayList<String> code = new ArrayList<String>();
            code.add(Status.STATUS_PROCESSING_ERROR);
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Related Classes of com.sun.xacml.AbstractPolicy

  • com.sun.xacml.combine.CombiningAlgFactory
  • com.sun.xacml.combine.DenyOverridesPolicyAlg
  • com.sun.xacml.combine.FirstApplicablePolicyAlg
  • com.sun.xacml.combine.OnlyOneApplicablePolicyAlg
  • com.sun.xacml.combine.PermitOverridesPolicyAlg
  • com.sun.xacml.combine.PolicyCombinerElement
  • com.sun.xacml.ctx.Result
  • com.sun.xacml.support.finder.BasicPolicyFinderModule
  • com.sun.xacml.support.finder.FilePolicyModule
  • com.sun.xacml.support.finder.PolicyCollection
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