Wed, 27 Apr 2016 01:27:09 +0800
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http://hg.openjdk.java.net/jdk8u/jdk8u/jaxws/
changeset: 657:d47a47f961ee
tag: jdk8u25-b17
aoqi@0 | 1 | /* |
aoqi@0 | 2 | * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved. |
aoqi@0 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
aoqi@0 | 4 | * |
aoqi@0 | 5 | * This code is free software; you can redistribute it and/or modify it |
aoqi@0 | 6 | * under the terms of the GNU General Public License version 2 only, as |
aoqi@0 | 7 | * published by the Free Software Foundation. Oracle designates this |
aoqi@0 | 8 | * particular file as subject to the "Classpath" exception as provided |
aoqi@0 | 9 | * by Oracle in the LICENSE file that accompanied this code. |
aoqi@0 | 10 | * |
aoqi@0 | 11 | * This code is distributed in the hope that it will be useful, but WITHOUT |
aoqi@0 | 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
aoqi@0 | 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
aoqi@0 | 14 | * version 2 for more details (a copy is included in the LICENSE file that |
aoqi@0 | 15 | * accompanied this code). |
aoqi@0 | 16 | * |
aoqi@0 | 17 | * You should have received a copy of the GNU General Public License version |
aoqi@0 | 18 | * 2 along with this work; if not, write to the Free Software Foundation, |
aoqi@0 | 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
aoqi@0 | 20 | * |
aoqi@0 | 21 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
aoqi@0 | 22 | * or visit www.oracle.com if you need additional information or have any |
aoqi@0 | 23 | * questions. |
aoqi@0 | 24 | */ |
aoqi@0 | 25 | |
aoqi@0 | 26 | package com.sun.xml.internal.ws.policy; |
aoqi@0 | 27 | |
aoqi@0 | 28 | import com.sun.xml.internal.ws.policy.privateutil.PolicyLogger; |
aoqi@0 | 29 | import com.sun.xml.internal.ws.policy.privateutil.LocalizationMessages; |
aoqi@0 | 30 | import com.sun.xml.internal.ws.policy.spi.PolicyAssertionValidator.Fitness; |
aoqi@0 | 31 | import java.util.Collection; |
aoqi@0 | 32 | import java.util.LinkedList; |
aoqi@0 | 33 | |
aoqi@0 | 34 | /** |
aoqi@0 | 35 | * Contains static methods for policy alternative selection. Given policy map is changed so that |
aoqi@0 | 36 | * each effective policy contains at most one policy alternative. Uses domain |
aoqi@0 | 37 | * specific @see com.sun.xml.internal.ws.policy.spi.PolicySelector |
aoqi@0 | 38 | * to find out whether particular policy assertion is actually supported. |
aoqi@0 | 39 | * |
aoqi@0 | 40 | * If you are using JAX-WS, use the com.sun.xml.internal.ws.api.policy.AlternativeSelector |
aoqi@0 | 41 | * instead of this class. |
aoqi@0 | 42 | * |
aoqi@0 | 43 | * @author Jakub Podlesak (jakub.podlesak at sun.com) |
aoqi@0 | 44 | * @author Fabian Ritzmann |
aoqi@0 | 45 | */ |
aoqi@0 | 46 | public class EffectiveAlternativeSelector { |
aoqi@0 | 47 | private enum AlternativeFitness { |
aoqi@0 | 48 | UNEVALUATED { |
aoqi@0 | 49 | AlternativeFitness combine(final Fitness assertionFitness) { |
aoqi@0 | 50 | switch (assertionFitness) { |
aoqi@0 | 51 | case UNKNOWN: |
aoqi@0 | 52 | return UNKNOWN; |
aoqi@0 | 53 | case UNSUPPORTED: |
aoqi@0 | 54 | return UNSUPPORTED; |
aoqi@0 | 55 | case SUPPORTED: |
aoqi@0 | 56 | return SUPPORTED; |
aoqi@0 | 57 | case INVALID: |
aoqi@0 | 58 | return INVALID; |
aoqi@0 | 59 | default: |
aoqi@0 | 60 | return UNEVALUATED; |
aoqi@0 | 61 | } |
aoqi@0 | 62 | } |
aoqi@0 | 63 | }, |
aoqi@0 | 64 | INVALID { |
aoqi@0 | 65 | AlternativeFitness combine(final Fitness assertionFitness) { |
aoqi@0 | 66 | return INVALID; |
aoqi@0 | 67 | } |
aoqi@0 | 68 | }, |
aoqi@0 | 69 | UNKNOWN { |
aoqi@0 | 70 | AlternativeFitness combine(final Fitness assertionFitness) { |
aoqi@0 | 71 | switch (assertionFitness) { |
aoqi@0 | 72 | case UNKNOWN: |
aoqi@0 | 73 | return UNKNOWN; |
aoqi@0 | 74 | case UNSUPPORTED: |
aoqi@0 | 75 | return UNSUPPORTED; |
aoqi@0 | 76 | case SUPPORTED: |
aoqi@0 | 77 | return PARTIALLY_SUPPORTED; |
aoqi@0 | 78 | case INVALID: |
aoqi@0 | 79 | return INVALID; |
aoqi@0 | 80 | default: |
aoqi@0 | 81 | return UNEVALUATED; |
aoqi@0 | 82 | } |
aoqi@0 | 83 | } |
aoqi@0 | 84 | }, |
aoqi@0 | 85 | UNSUPPORTED { |
aoqi@0 | 86 | AlternativeFitness combine(final Fitness assertionFitness) { |
aoqi@0 | 87 | switch (assertionFitness) { |
aoqi@0 | 88 | case UNKNOWN: |
aoqi@0 | 89 | case UNSUPPORTED: |
aoqi@0 | 90 | return UNSUPPORTED; |
aoqi@0 | 91 | case SUPPORTED: |
aoqi@0 | 92 | return PARTIALLY_SUPPORTED; |
aoqi@0 | 93 | case INVALID: |
aoqi@0 | 94 | return INVALID; |
aoqi@0 | 95 | default: |
aoqi@0 | 96 | return UNEVALUATED; |
aoqi@0 | 97 | } |
aoqi@0 | 98 | } |
aoqi@0 | 99 | }, |
aoqi@0 | 100 | PARTIALLY_SUPPORTED { |
aoqi@0 | 101 | AlternativeFitness combine(final Fitness assertionFitness) { |
aoqi@0 | 102 | switch (assertionFitness) { |
aoqi@0 | 103 | case UNKNOWN: |
aoqi@0 | 104 | case UNSUPPORTED: |
aoqi@0 | 105 | case SUPPORTED: |
aoqi@0 | 106 | return PARTIALLY_SUPPORTED; |
aoqi@0 | 107 | case INVALID: |
aoqi@0 | 108 | return INVALID; |
aoqi@0 | 109 | default: |
aoqi@0 | 110 | return UNEVALUATED; |
aoqi@0 | 111 | } |
aoqi@0 | 112 | } |
aoqi@0 | 113 | }, |
aoqi@0 | 114 | SUPPORTED_EMPTY { |
aoqi@0 | 115 | AlternativeFitness combine(final Fitness assertionFitness) { |
aoqi@0 | 116 | // will not localize - this exception may not occur if there is no programatic error in this class |
aoqi@0 | 117 | throw new UnsupportedOperationException("Combine operation was called unexpectedly on 'SUPPORTED_EMPTY' alternative fitness enumeration state."); |
aoqi@0 | 118 | } |
aoqi@0 | 119 | }, |
aoqi@0 | 120 | SUPPORTED { |
aoqi@0 | 121 | AlternativeFitness combine(final Fitness assertionFitness) { |
aoqi@0 | 122 | switch (assertionFitness) { |
aoqi@0 | 123 | case UNKNOWN: |
aoqi@0 | 124 | case UNSUPPORTED: |
aoqi@0 | 125 | return PARTIALLY_SUPPORTED; |
aoqi@0 | 126 | case SUPPORTED: |
aoqi@0 | 127 | return SUPPORTED; |
aoqi@0 | 128 | case INVALID: |
aoqi@0 | 129 | return INVALID; |
aoqi@0 | 130 | default: |
aoqi@0 | 131 | return UNEVALUATED; |
aoqi@0 | 132 | } |
aoqi@0 | 133 | } |
aoqi@0 | 134 | }; |
aoqi@0 | 135 | |
aoqi@0 | 136 | abstract AlternativeFitness combine(Fitness assertionFitness); |
aoqi@0 | 137 | } |
aoqi@0 | 138 | |
aoqi@0 | 139 | private static final PolicyLogger LOGGER = PolicyLogger.getLogger(EffectiveAlternativeSelector.class); |
aoqi@0 | 140 | |
aoqi@0 | 141 | /** |
aoqi@0 | 142 | * Does the selection for policy map bound to given modifier. |
aoqi@0 | 143 | * |
aoqi@0 | 144 | * If you are using JAX-WS, use the com.sun.xml.internal.ws.api.policy.AlternativeSelector |
aoqi@0 | 145 | * instead of this class. |
aoqi@0 | 146 | * |
aoqi@0 | 147 | * @param modifier Holds the policy map |
aoqi@0 | 148 | * @throws PolicyException Most likely an internal error if a policy could not be read or set on the policy map |
aoqi@0 | 149 | * @see EffectivePolicyModifier which the map is bound to |
aoqi@0 | 150 | */ |
aoqi@0 | 151 | public static void doSelection(final EffectivePolicyModifier modifier) throws PolicyException { |
aoqi@0 | 152 | final AssertionValidationProcessor validationProcessor = AssertionValidationProcessor.getInstance(); |
aoqi@0 | 153 | selectAlternatives(modifier, validationProcessor); |
aoqi@0 | 154 | } |
aoqi@0 | 155 | |
aoqi@0 | 156 | /** |
aoqi@0 | 157 | * This method is intended to be called by extension classes that need to |
aoqi@0 | 158 | * override the behavior of {@link #doSelection}. |
aoqi@0 | 159 | * |
aoqi@0 | 160 | * @param modifier |
aoqi@0 | 161 | * @param validationProcessor |
aoqi@0 | 162 | * @throws PolicyException |
aoqi@0 | 163 | */ |
aoqi@0 | 164 | protected static void selectAlternatives(final EffectivePolicyModifier modifier, |
aoqi@0 | 165 | final AssertionValidationProcessor validationProcessor) |
aoqi@0 | 166 | throws PolicyException { |
aoqi@0 | 167 | final PolicyMap map = modifier.getMap(); |
aoqi@0 | 168 | for (PolicyMapKey mapKey : map.getAllServiceScopeKeys()) { |
aoqi@0 | 169 | final Policy oldPolicy = map.getServiceEffectivePolicy(mapKey); |
aoqi@0 | 170 | modifier.setNewEffectivePolicyForServiceScope(mapKey, selectBestAlternative(oldPolicy, validationProcessor)); |
aoqi@0 | 171 | } |
aoqi@0 | 172 | for (PolicyMapKey mapKey : map.getAllEndpointScopeKeys()) { |
aoqi@0 | 173 | final Policy oldPolicy = map.getEndpointEffectivePolicy(mapKey); |
aoqi@0 | 174 | modifier.setNewEffectivePolicyForEndpointScope(mapKey, selectBestAlternative(oldPolicy, validationProcessor)); |
aoqi@0 | 175 | } |
aoqi@0 | 176 | for (PolicyMapKey mapKey : map.getAllOperationScopeKeys()) { |
aoqi@0 | 177 | final Policy oldPolicy = map.getOperationEffectivePolicy(mapKey); |
aoqi@0 | 178 | modifier.setNewEffectivePolicyForOperationScope(mapKey, selectBestAlternative(oldPolicy, validationProcessor)); |
aoqi@0 | 179 | } |
aoqi@0 | 180 | for (PolicyMapKey mapKey : map.getAllInputMessageScopeKeys()) { |
aoqi@0 | 181 | final Policy oldPolicy = map.getInputMessageEffectivePolicy(mapKey); |
aoqi@0 | 182 | modifier.setNewEffectivePolicyForInputMessageScope(mapKey, selectBestAlternative(oldPolicy, validationProcessor)); |
aoqi@0 | 183 | } |
aoqi@0 | 184 | for (PolicyMapKey mapKey : map.getAllOutputMessageScopeKeys()) { |
aoqi@0 | 185 | final Policy oldPolicy = map.getOutputMessageEffectivePolicy(mapKey); |
aoqi@0 | 186 | modifier.setNewEffectivePolicyForOutputMessageScope(mapKey, selectBestAlternative(oldPolicy, validationProcessor)); |
aoqi@0 | 187 | } |
aoqi@0 | 188 | for (PolicyMapKey mapKey : map.getAllFaultMessageScopeKeys()) { |
aoqi@0 | 189 | final Policy oldPolicy = map.getFaultMessageEffectivePolicy(mapKey); |
aoqi@0 | 190 | modifier.setNewEffectivePolicyForFaultMessageScope(mapKey, selectBestAlternative(oldPolicy, validationProcessor)); |
aoqi@0 | 191 | } |
aoqi@0 | 192 | } |
aoqi@0 | 193 | |
aoqi@0 | 194 | private static Policy selectBestAlternative(final Policy policy, final AssertionValidationProcessor validationProcessor) throws PolicyException { |
aoqi@0 | 195 | AssertionSet bestAlternative = null; |
aoqi@0 | 196 | AlternativeFitness bestAlternativeFitness = AlternativeFitness.UNEVALUATED; |
aoqi@0 | 197 | for (AssertionSet alternative : policy) { |
aoqi@0 | 198 | AlternativeFitness alternativeFitness = (alternative.isEmpty()) ? AlternativeFitness.SUPPORTED_EMPTY : AlternativeFitness.UNEVALUATED; |
aoqi@0 | 199 | for ( PolicyAssertion assertion : alternative ) { |
aoqi@0 | 200 | |
aoqi@0 | 201 | final Fitness assertionFitness = validationProcessor.validateClientSide(assertion); |
aoqi@0 | 202 | switch(assertionFitness) { |
aoqi@0 | 203 | case UNKNOWN: |
aoqi@0 | 204 | case UNSUPPORTED: |
aoqi@0 | 205 | case INVALID: |
aoqi@0 | 206 | LOGGER.warning(LocalizationMessages.WSP_0075_PROBLEMATIC_ASSERTION_STATE(assertion.getName(), assertionFitness)); |
aoqi@0 | 207 | break; |
aoqi@0 | 208 | default: |
aoqi@0 | 209 | break; |
aoqi@0 | 210 | } |
aoqi@0 | 211 | |
aoqi@0 | 212 | alternativeFitness = alternativeFitness.combine(assertionFitness); |
aoqi@0 | 213 | } |
aoqi@0 | 214 | |
aoqi@0 | 215 | if (bestAlternativeFitness.compareTo(alternativeFitness) < 0) { |
aoqi@0 | 216 | // better alternative found |
aoqi@0 | 217 | bestAlternative = alternative; |
aoqi@0 | 218 | bestAlternativeFitness = alternativeFitness; |
aoqi@0 | 219 | } |
aoqi@0 | 220 | |
aoqi@0 | 221 | if (bestAlternativeFitness == AlternativeFitness.SUPPORTED) { |
aoqi@0 | 222 | // all assertions supported by at least one selector |
aoqi@0 | 223 | break; |
aoqi@0 | 224 | } |
aoqi@0 | 225 | } |
aoqi@0 | 226 | |
aoqi@0 | 227 | switch (bestAlternativeFitness) { |
aoqi@0 | 228 | case INVALID: |
aoqi@0 | 229 | throw LOGGER.logSevereException(new PolicyException(LocalizationMessages.WSP_0053_INVALID_CLIENT_SIDE_ALTERNATIVE())); |
aoqi@0 | 230 | case UNKNOWN: |
aoqi@0 | 231 | case UNSUPPORTED: |
aoqi@0 | 232 | case PARTIALLY_SUPPORTED: |
aoqi@0 | 233 | LOGGER.warning(LocalizationMessages.WSP_0019_SUBOPTIMAL_ALTERNATIVE_SELECTED(bestAlternativeFitness)); |
aoqi@0 | 234 | break; |
aoqi@0 | 235 | default: |
aoqi@0 | 236 | break; |
aoqi@0 | 237 | } |
aoqi@0 | 238 | |
aoqi@0 | 239 | Collection<AssertionSet> alternativeSet = null; |
aoqi@0 | 240 | if (bestAlternative != null) { |
aoqi@0 | 241 | // return a policy containing just the picked alternative |
aoqi@0 | 242 | alternativeSet = new LinkedList<AssertionSet>(); |
aoqi@0 | 243 | alternativeSet.add(bestAlternative); |
aoqi@0 | 244 | } |
aoqi@0 | 245 | return Policy.createPolicy(policy.getNamespaceVersion(), policy.getName(), policy.getId(), alternativeSet); |
aoqi@0 | 246 | } |
aoqi@0 | 247 | } |