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/*
 * Copyright (c) 1997, 2020 Oracle and/or its affiliates. All rights reserved.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Distribution License v. 1.0, which is available at
 * http://www.eclipse.org/org/documents/edl-v10.php.
 *
 * SPDX-License-Identifier: BSD-3-Clause
 */

package com.sun.xml.ws.policy.spi;

import com.sun.xml.ws.policy.AssertionSet;
import com.sun.xml.ws.policy.PolicyAssertion;
import com.sun.xml.ws.policy.sourcemodel.AssertionData;
import java.util.Collection;

/**
 * The interface defines contract for custom (domain specific) policy assertion 
 * factories. The implementations are discovered using service provider mechanism 
 * described in the 
 * J2SE JAR File Specification.
 *
* Every implementation of policy assertion creator is expected to fully * handle the creation of assertions for the domain (namespace) it claims to * support by returning the namespace string from the {link #getSupportedDomainNamespaceUri()} * method. To handle creation of domain-specific assertions that are not intended * to be customized, the default policy assertion creator (passed as one of the * input parameters into the {@link #createAssertion(AssertionData, Collection, AssertionSet, PolicyAssertionCreator)} method) * shall be used. * * @author Marek Potociar */ public interface PolicyAssertionCreator { /** * This method returns the namespace URIs of the domains that are supported by the implementation of * this inteface. There can be multiple URIs supported per single implementation. *
* Supporting domain namespace URI means that particular {@code PolicyAssertionCreator} implementation * is able to create assertion instances for the domains identified by the namespace URIs returned from this * method. It is required that each {@code PolicyAssertionCreator} implementation handles the policy * assertion creation for each assertion in every domain it claims to support. * * @return string array representing the namespace URIs of the supported domains. It is expected that multiple calls on this method return the * same value each time. Returned string array must be neither {@code null} nor empty. Also each string value in the array must not be {@code null} * nor empty. * */ String[] getSupportedDomainNamespaceURIs(); /** * Creates domain-specific policy assertion instance according to assertion data provided. For the provided * assertion data and this policy assertion creator instance, it will allways be true that assertion namespace * URI equals to one of supported domain namespace URIs. *
* Additional method parameter (which must not be {@code null}) supplied by the policy framework specifies a default policy * assertion creator that might be used to handle creation of unsupported domain assertion in the default way. This is * to give policy assertion creator a chance to handle also creation of "unsupported" domain assertions and to encourage * implemetors to use class composition instad of class inheritance. * * @param data assertion creation data specifying the details of newly created assertion * @param assertionParameters collection of assertions parameters of this policy assertion. May be {@code null}. * @param nestedAlternative assertion set specifying nested policy alternative. May be {@code null}. * @param defaultCreator default policy assertion creator implementation that shall be used to handle creation of assertions * which are not explicitly supported by this policy assertion creator implementation * @return domain specific policy assertion implementation according to assertion data provided. * * @throws AssertionCreationException in case of assertion creation failure */ PolicyAssertion createAssertion(AssertionData data, Collection assertionParameters, AssertionSet nestedAlternative, PolicyAssertionCreator defaultCreator) throws AssertionCreationException; }




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