Examples with Assertion org.apache.neethi.Assertion used on opensource projects

Example 16 with Assertion

use of org.apache.neethi.Assertion in project cxf by apache.

the class PolicyUtils method printPolicyComponent.

public static void printPolicyComponent(PolicyComponent pc, StringBuilder buf, int level) {
    indent(buf, level);
    buf.append("type: ");
    buf.append(typeToString(pc.getType()));
    if (Constants.TYPE_ASSERTION == pc.getType()) {
        buf.append(' ');
        buf.append(((Assertion) pc).getName());
        if (((Assertion) pc).isOptional()) {
            buf.append(" (optional)");
        }
        buf.append(" (");
        buf.append(pc);
        buf.append(')');
        nl(buf);
        if (pc instanceof PolicyContainingAssertion) {
            PolicyComponent nested = ((PolicyContainingAssertion) pc).getPolicy();
            printPolicyComponent(nested, buf, level + 1);
        }
    } else {
        List<PolicyComponent> children = CastUtils.cast(((PolicyOperator) pc).getPolicyComponents(), PolicyComponent.class);
        nl(buf);
        for (PolicyComponent child : children) {
            printPolicyComponent(child, buf, level + 1);
        }
    }
}

Example 17 with Assertion

use of org.apache.neethi.Assertion in project cxf by apache.

the class ServerPolicyOutFaultInterceptor method handle.

protected void handle(Message msg) {
    if (MessageUtils.isRequestor(msg)) {
        LOG.fine("Is a requestor.");
        return;
    }
    Exchange exchange = msg.getExchange();
    assert null != exchange;
    BindingOperationInfo boi = exchange.getBindingOperationInfo();
    if (null == boi) {
        LOG.fine("No binding operation info.");
        return;
    }
    Endpoint e = exchange.getEndpoint();
    if (null == e) {
        LOG.fine("No endpoint.");
        return;
    }
    EndpointInfo ei = e.getEndpointInfo();
    Bus bus = exchange.getBus();
    PolicyEngine pe = bus.getExtension(PolicyEngine.class);
    if (null == pe) {
        return;
    }
    Destination destination = exchange.getDestination();
    Exception ex = exchange.get(Exception.class);
    List<Interceptor<? extends Message>> faultInterceptors = new ArrayList<>();
    Collection<Assertion> assertions = new ArrayList<>();
    // 1. Check overridden policy
    Policy p = (Policy) msg.getContextualProperty(PolicyConstants.POLICY_OVERRIDE);
    if (p != null) {
        EndpointPolicyImpl endpi = new EndpointPolicyImpl(p);
        EffectivePolicyImpl effectivePolicy = new EffectivePolicyImpl();
        effectivePolicy.initialise(endpi, pe, false, true, msg);
        PolicyUtils.logPolicy(LOG, Level.FINEST, "Using effective policy: ", effectivePolicy.getPolicy());
        faultInterceptors.addAll(effectivePolicy.getInterceptors());
        assertions.addAll(effectivePolicy.getChosenAlternative());
    } else {
        // 2. Process effective server policy
        BindingFaultInfo bfi = getBindingFaultInfo(msg, ex, boi);
        if (bfi == null && msg.get(FaultMode.class) != FaultMode.UNCHECKED_APPLICATION_FAULT && msg.get(FaultMode.class) != FaultMode.CHECKED_APPLICATION_FAULT) {
            return;
        }
        EffectivePolicy effectivePolicy = pe.getEffectiveServerFaultPolicy(ei, boi, bfi, destination, msg);
        if (effectivePolicy != null) {
            faultInterceptors.addAll(effectivePolicy.getInterceptors());
            assertions.addAll(effectivePolicy.getChosenAlternative());
        }
    }
    // add interceptors into message chain
    for (Interceptor<? extends Message> oi : faultInterceptors) {
        msg.getInterceptorChain().add(oi);
        LOG.log(Level.FINE, "Added interceptor of type {0}", oi.getClass().getSimpleName());
    }
    // insert assertions of the chosen alternative into the message
    if (!assertions.isEmpty()) {
        msg.put(AssertionInfoMap.class, new AssertionInfoMap(assertions));
    }
}

Example 18 with Assertion

use of org.apache.neethi.Assertion in project cxf by apache.

the class PolicyDataEngineImpl method getClientEndpointPolicy.

public <T> T getClientEndpointPolicy(Message m, EndpointInfo ei, Conduit c, PolicyCalculator<T> policyCalculator) {
    Collection<Assertion> alternative = getPolicyEngine().getClientEndpointPolicy(ei, c, m).getChosenAlternative();
    List<T> filteredPolicies = new ArrayList<>();
    for (Assertion a : alternative) {
        if (policyCalculator.getDataClassName().equals(a.getName())) {
            T p = JaxbAssertion.cast(a, policyCalculator.getDataClass()).getData();
            filteredPolicies.add(p);
        }
    }
    return getPolicy(filteredPolicies, policyCalculator);
}

Example 19 with Assertion

use of org.apache.neethi.Assertion in project cxf by apache.

the class PolicyEngineImpl method supportsAlternative.

/**
 * Check if a given list of assertions can potentially be supported by
 * interceptors or by an already installed assertor (a conduit or transport
 * that implements the Assertor interface).
 *
 * @param alternative the policy alternative
 * @param assertor the assertor
 * @return true iff the alternative can be supported
 */
public boolean supportsAlternative(Collection<? extends PolicyComponent> alternative, Assertor assertor, Message m) {
    PolicyInterceptorProviderRegistry pipr = bus.getExtension(PolicyInterceptorProviderRegistry.class);
    final boolean doLog = LOG.isLoggable(Level.FINE);
    for (PolicyComponent pc : alternative) {
        if (pc instanceof Assertion) {
            Assertion a = (Assertion) pc;
            if (!a.isOptional()) {
                if (null != assertor && assertor.canAssert(a.getName())) {
                    continue;
                }
                Set<PolicyInterceptorProvider> s = pipr.get(a.getName());
                if (s.isEmpty()) {
                    if (doLog) {
                        LOG.fine("Alternative " + a.getName() + " is not supported");
                    }
                    return false;
                }
                for (PolicyInterceptorProvider p : s) {
                    if (!p.configurationPresent(m, a)) {
                        if (doLog) {
                            LOG.fine("Alternative " + a.getName() + " is not supported");
                        }
                        return false;
                    }
                }
            }
        } else {
            return false;
        }
    }
    return true;
}

Example 20 with Assertion

use of org.apache.neethi.Assertion in project cxf by apache.

the class PolicyEngineImpl method addAssertions.

void addAssertions(PolicyComponent pc, boolean includeOptional, Collection<Assertion> assertions) {
    if (Constants.TYPE_ASSERTION == pc.getType()) {
        Assertion a = (Assertion) pc;
        if (includeOptional || !a.isOptional()) {
            assertions.add((Assertion) pc);
        }
        return;
    }
    if (Constants.TYPE_POLICY_REF == pc.getType()) {
        PolicyReference pr = (PolicyReference) pc;
        pc = pr.normalize(registry, false);
    }
    PolicyOperator po = (PolicyOperator) pc;
    List<PolicyComponent> pcs = CastUtils.cast(po.getPolicyComponents(), PolicyComponent.class);
    for (PolicyComponent child : pcs) {
        addAssertions(child, includeOptional, assertions);
    }
}