/* * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package com.sun.xml.internal.ws.policy.spi; import com.sun.xml.internal.ws.policy.PolicyAssertion; import java.util.Collection; import java.util.HashSet; import java.util.Set; import javax.xml.namespace.QName; /** * This abstract policy assertion validator validates assertions by their qualified * name. Server and client side validation methods return {@link Fitness} based on * following schema: * * <ul> * <li>{@link Fitness#SUPPORTED} - if the assertion qualified name is in the list of * supported assertion names on the server/client side</li> * <li>{@link Fitness#UNSUPPORTED} - if the assertion qualified name is not in the list of * supported assertion names on the server/client side, however it is in the list of * assertion names supported on the other side</li> * <li>{@link Fitness#UNKNOWN} - if the assertion qualified name is not present in the any of * the lists of supported assertion names</li> * </ul> * * For some domains such validation may be sufficient enough. Other domains may * use functionality of this base class as a first step validation before any attempts * to validate content of the assertion. To do this one needs to override and reuse * the default behavior of {@link #validateClientSide(PolicyAssertion)} and * {@link #validateServerSide(PolicyAssertion)} methods. * * @author Marek Potociar (marek.potociar at sun.com) */ public abstract class AbstractQNameValidator implements PolicyAssertionValidator { private final Set<String> supportedDomains = new HashSet<String>(); private final Collection<QName> serverAssertions; private final Collection<QName> clientAssertions; /** * Constructor that takes two collections specifying qualified names of assertions * supported on either server or client side. The set of all assertion namespaces * defines list of all domains supported by the assertion validator * (see {@link PolicyAssertionValidator#declareSupportedDomains}). * * @param serverSideAssertions The server-side assertions. * @param clientSideAssertions The client-side assertions. */ protected AbstractQNameValidator(Collection<QName> serverSideAssertions, Collection<QName> clientSideAssertions) { if (serverSideAssertions != null) { this.serverAssertions = new HashSet<QName>(serverSideAssertions); for (QName assertion : this.serverAssertions) { supportedDomains.add(assertion.getNamespaceURI()); } } else { this.serverAssertions = new HashSet<QName>(0); } if (clientSideAssertions != null) { this.clientAssertions = new HashSet<QName>(clientSideAssertions); for (QName assertion : this.clientAssertions) { supportedDomains.add(assertion.getNamespaceURI()); } } else { this.clientAssertions = new HashSet<QName>(0); } } public String[] declareSupportedDomains() { return supportedDomains.toArray(new String[supportedDomains.size()]); } public Fitness validateClientSide(PolicyAssertion assertion) { return validateAssertion(assertion, clientAssertions, serverAssertions); } public Fitness validateServerSide(PolicyAssertion assertion) { return validateAssertion(assertion, serverAssertions, clientAssertions); } private Fitness validateAssertion(PolicyAssertion assertion, Collection<QName> thisSideAssertions, Collection<QName> otherSideAssertions) { QName assertionName = assertion.getName(); if (thisSideAssertions.contains(assertionName)) { return Fitness.SUPPORTED; } else if (otherSideAssertions.contains(assertionName)) { return Fitness.UNSUPPORTED; } else { return Fitness.UNKNOWN; } } }