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package com.sun.xml.internal.ws.policy.sourcemodel;

import com.sun.xml.internal.ws.policy.AssertionSet;

import com.sun.xml.internal.ws.policy.NestedPolicy;

import com.sun.xml.internal.ws.policy.Policy;

import com.sun.xml.internal.ws.policy.PolicyAssertion;

import com.sun.xml.internal.ws.policy.PolicyException;

import com.sun.xml.internal.ws.policy.privateutil.LocalizationMessages;

import com.sun.xml.internal.ws.policy.privateutil.PolicyLogger;

/**

 * Create a fully normalized WS-Policy infoset.

 *

 * @author Fabian Ritzmann

 */

class NormalizedModelGenerator extends PolicyModelGenerator {

    private static final PolicyLogger LOGGER = PolicyLogger.getLogger(NormalizedModelGenerator.class);

    private final PolicySourceModelCreator sourceModelCreator;

    NormalizedModelGenerator(PolicySourceModelCreator sourceModelCreator) {

        this.sourceModelCreator = sourceModelCreator;

    }

    @Override

    public PolicySourceModel translate(final Policy policy) throws PolicyException {

        LOGGER.entering(policy);

        PolicySourceModel model = null;

        if (policy == null) {

            LOGGER.fine(LocalizationMessages.WSP_0047_POLICY_IS_NULL_RETURNING());

        } else {

            model = this.sourceModelCreator.create(policy);

            final ModelNode rootNode = model.getRootNode();

            final ModelNode exactlyOneNode = rootNode.createChildExactlyOneNode();

            for (AssertionSet set : policy) {

                final ModelNode alternativeNode = exactlyOneNode.createChildAllNode();

                for (PolicyAssertion assertion : set) {

                    final AssertionData data = AssertionData.createAssertionData(assertion.getName(), assertion.getValue(), assertion.getAttributes(), assertion.isOptional(), assertion.isIgnorable());

                    final ModelNode assertionNode = alternativeNode.createChildAssertionNode(data);

                    if (assertion.hasNestedPolicy()) {

                        translate(assertionNode, assertion.getNestedPolicy());

                    }

                    if (assertion.hasParameters()) {

                        translate(assertionNode, assertion.getParametersIterator());

                    }

                }

            }

        }

        LOGGER.exiting(model);

        return model;

    }

    @Override

    protected ModelNode translate(final ModelNode parentAssertion, final NestedPolicy policy) {

        final ModelNode nestedPolicyRoot = parentAssertion.createChildPolicyNode();

        final ModelNode exactlyOneNode = nestedPolicyRoot.createChildExactlyOneNode();

        final AssertionSet set = policy.getAssertionSet();

        final ModelNode alternativeNode = exactlyOneNode.createChildAllNode();

        translate(alternativeNode, set);

        return nestedPolicyRoot;

    }

}