Sat, 07 Nov 2020 10:30:02 +0800
Added tag mips-jdk8u275-b01 for changeset fdbe50121f48
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.sourcemodel; |
aoqi@0 | 27 | |
aoqi@0 | 28 | import java.util.ArrayList; |
aoqi@0 | 29 | import java.util.Collection; |
aoqi@0 | 30 | import java.util.Collections; |
aoqi@0 | 31 | import java.util.HashMap; |
aoqi@0 | 32 | import java.util.LinkedList; |
aoqi@0 | 33 | import java.util.List; |
aoqi@0 | 34 | import java.util.Map; |
aoqi@0 | 35 | import java.util.Queue; |
aoqi@0 | 36 | |
aoqi@0 | 37 | import com.sun.xml.internal.ws.policy.AssertionSet; |
aoqi@0 | 38 | import com.sun.xml.internal.ws.policy.Policy; |
aoqi@0 | 39 | import com.sun.xml.internal.ws.policy.PolicyAssertion; |
aoqi@0 | 40 | import com.sun.xml.internal.ws.policy.PolicyException; |
aoqi@0 | 41 | import com.sun.xml.internal.ws.policy.privateutil.LocalizationMessages; |
aoqi@0 | 42 | import com.sun.xml.internal.ws.policy.privateutil.PolicyLogger; |
aoqi@0 | 43 | import com.sun.xml.internal.ws.policy.privateutil.PolicyUtils; |
aoqi@0 | 44 | import com.sun.xml.internal.ws.policy.spi.AssertionCreationException; |
aoqi@0 | 45 | import com.sun.xml.internal.ws.policy.spi.PolicyAssertionCreator; |
aoqi@0 | 46 | |
aoqi@0 | 47 | /** |
aoqi@0 | 48 | * This class provides a method for translating a {@link PolicySourceModel} structure to a normalized {@link Policy} expression. |
aoqi@0 | 49 | * The resulting Policy is disconnected from its model, thus any additional changes in the model will have no effect on the Policy |
aoqi@0 | 50 | * expression. |
aoqi@0 | 51 | * |
aoqi@0 | 52 | * @author Marek Potociar |
aoqi@0 | 53 | * @author Fabian Ritzmann |
aoqi@0 | 54 | */ |
aoqi@0 | 55 | public class PolicyModelTranslator { |
aoqi@0 | 56 | |
aoqi@0 | 57 | private static final class ContentDecomposition { |
aoqi@0 | 58 | final List<Collection<ModelNode>> exactlyOneContents = new LinkedList<Collection<ModelNode>>(); |
aoqi@0 | 59 | final List<ModelNode> assertions = new LinkedList<ModelNode>(); |
aoqi@0 | 60 | |
aoqi@0 | 61 | void reset() { |
aoqi@0 | 62 | exactlyOneContents.clear(); |
aoqi@0 | 63 | assertions.clear(); |
aoqi@0 | 64 | } |
aoqi@0 | 65 | } |
aoqi@0 | 66 | |
aoqi@0 | 67 | private static final class RawAssertion { |
aoqi@0 | 68 | ModelNode originalNode; // used to initialize nestedPolicy and nestedAssertions in the constructor of RawAlternative |
aoqi@0 | 69 | Collection<RawAlternative> nestedAlternatives = null; |
aoqi@0 | 70 | final Collection<ModelNode> parameters; |
aoqi@0 | 71 | |
aoqi@0 | 72 | RawAssertion(ModelNode originalNode, Collection<ModelNode> parameters) { |
aoqi@0 | 73 | this.parameters = parameters; |
aoqi@0 | 74 | this.originalNode = originalNode; |
aoqi@0 | 75 | } |
aoqi@0 | 76 | } |
aoqi@0 | 77 | |
aoqi@0 | 78 | private static final class RawAlternative { |
aoqi@0 | 79 | private static final PolicyLogger LOGGER = PolicyLogger.getLogger(PolicyModelTranslator.RawAlternative.class); |
aoqi@0 | 80 | |
aoqi@0 | 81 | final List<RawPolicy> allNestedPolicies = new LinkedList<RawPolicy>(); // used to track the nested policies which need to be normalized |
aoqi@0 | 82 | final Collection<RawAssertion> nestedAssertions; |
aoqi@0 | 83 | |
aoqi@0 | 84 | RawAlternative(Collection<ModelNode> assertionNodes) throws PolicyException { |
aoqi@0 | 85 | this.nestedAssertions = new LinkedList<RawAssertion>(); |
aoqi@0 | 86 | for (ModelNode node : assertionNodes) { |
aoqi@0 | 87 | RawAssertion assertion = new RawAssertion(node, new LinkedList<ModelNode>()); |
aoqi@0 | 88 | nestedAssertions.add(assertion); |
aoqi@0 | 89 | |
aoqi@0 | 90 | for (ModelNode assertionNodeChild : assertion.originalNode.getChildren()) { |
aoqi@0 | 91 | switch (assertionNodeChild.getType()) { |
aoqi@0 | 92 | case ASSERTION_PARAMETER_NODE: |
aoqi@0 | 93 | assertion.parameters.add(assertionNodeChild); |
aoqi@0 | 94 | break; |
aoqi@0 | 95 | case POLICY: |
aoqi@0 | 96 | case POLICY_REFERENCE: |
aoqi@0 | 97 | if (assertion.nestedAlternatives == null) { |
aoqi@0 | 98 | assertion.nestedAlternatives = new LinkedList<RawAlternative>(); |
aoqi@0 | 99 | RawPolicy nestedPolicy; |
aoqi@0 | 100 | if (assertionNodeChild.getType() == ModelNode.Type.POLICY) { |
aoqi@0 | 101 | nestedPolicy = new RawPolicy(assertionNodeChild, assertion.nestedAlternatives); |
aoqi@0 | 102 | } else { |
aoqi@0 | 103 | nestedPolicy = new RawPolicy(getReferencedModelRootNode(assertionNodeChild), assertion.nestedAlternatives); |
aoqi@0 | 104 | } |
aoqi@0 | 105 | this.allNestedPolicies.add(nestedPolicy); |
aoqi@0 | 106 | } else { |
aoqi@0 | 107 | throw LOGGER.logSevereException(new PolicyException(LocalizationMessages.WSP_0006_UNEXPECTED_MULTIPLE_POLICY_NODES())); |
aoqi@0 | 108 | } |
aoqi@0 | 109 | break; |
aoqi@0 | 110 | default: |
aoqi@0 | 111 | throw LOGGER.logSevereException(new PolicyException(LocalizationMessages.WSP_0008_UNEXPECTED_CHILD_MODEL_TYPE(assertionNodeChild.getType()))); |
aoqi@0 | 112 | } |
aoqi@0 | 113 | } |
aoqi@0 | 114 | } |
aoqi@0 | 115 | } |
aoqi@0 | 116 | |
aoqi@0 | 117 | } |
aoqi@0 | 118 | |
aoqi@0 | 119 | private static final class RawPolicy { |
aoqi@0 | 120 | final Collection<ModelNode> originalContent; |
aoqi@0 | 121 | final Collection<RawAlternative> alternatives; |
aoqi@0 | 122 | |
aoqi@0 | 123 | RawPolicy(ModelNode policyNode, Collection<RawAlternative> alternatives) { |
aoqi@0 | 124 | originalContent = policyNode.getChildren(); |
aoqi@0 | 125 | this.alternatives = alternatives; |
aoqi@0 | 126 | } |
aoqi@0 | 127 | } |
aoqi@0 | 128 | |
aoqi@0 | 129 | private static final PolicyLogger LOGGER = PolicyLogger.getLogger(PolicyModelTranslator.class); |
aoqi@0 | 130 | |
aoqi@0 | 131 | private static final PolicyAssertionCreator defaultCreator = new DefaultPolicyAssertionCreator(); |
aoqi@0 | 132 | |
aoqi@0 | 133 | private final Map<String, PolicyAssertionCreator> assertionCreators; |
aoqi@0 | 134 | |
aoqi@0 | 135 | |
aoqi@0 | 136 | private PolicyModelTranslator() throws PolicyException { |
aoqi@0 | 137 | this(null); |
aoqi@0 | 138 | } |
aoqi@0 | 139 | |
aoqi@0 | 140 | protected PolicyModelTranslator(final Collection<PolicyAssertionCreator> creators) throws PolicyException { |
aoqi@0 | 141 | LOGGER.entering(creators); |
aoqi@0 | 142 | |
aoqi@0 | 143 | final Collection<PolicyAssertionCreator> allCreators = new LinkedList<PolicyAssertionCreator>(); |
aoqi@0 | 144 | final PolicyAssertionCreator[] discoveredCreators = PolicyUtils.ServiceProvider.load(PolicyAssertionCreator.class); |
aoqi@0 | 145 | for (PolicyAssertionCreator creator : discoveredCreators) { |
aoqi@0 | 146 | allCreators.add(creator); |
aoqi@0 | 147 | } |
aoqi@0 | 148 | if (creators != null) { |
aoqi@0 | 149 | for (PolicyAssertionCreator creator : creators) { |
aoqi@0 | 150 | allCreators.add(creator); |
aoqi@0 | 151 | } |
aoqi@0 | 152 | } |
aoqi@0 | 153 | |
aoqi@0 | 154 | final Map<String, PolicyAssertionCreator> pacMap = new HashMap<String, PolicyAssertionCreator>(); |
aoqi@0 | 155 | for (PolicyAssertionCreator creator : allCreators) { |
aoqi@0 | 156 | final String[] supportedURIs = creator.getSupportedDomainNamespaceURIs(); |
aoqi@0 | 157 | final String creatorClassName = creator.getClass().getName(); |
aoqi@0 | 158 | |
aoqi@0 | 159 | if (supportedURIs == null || supportedURIs.length == 0) { |
aoqi@0 | 160 | LOGGER.warning(LocalizationMessages.WSP_0077_ASSERTION_CREATOR_DOES_NOT_SUPPORT_ANY_URI(creatorClassName)); |
aoqi@0 | 161 | continue; |
aoqi@0 | 162 | } |
aoqi@0 | 163 | |
aoqi@0 | 164 | for (String supportedURI : supportedURIs) { |
aoqi@0 | 165 | LOGGER.config(LocalizationMessages.WSP_0078_ASSERTION_CREATOR_DISCOVERED(creatorClassName, supportedURI)); |
aoqi@0 | 166 | if (supportedURI == null || supportedURI.length() == 0) { |
aoqi@0 | 167 | throw LOGGER.logSevereException(new PolicyException( |
aoqi@0 | 168 | LocalizationMessages.WSP_0070_ERROR_REGISTERING_ASSERTION_CREATOR(creatorClassName))); |
aoqi@0 | 169 | } |
aoqi@0 | 170 | |
aoqi@0 | 171 | final PolicyAssertionCreator oldCreator = pacMap.put(supportedURI, creator); |
aoqi@0 | 172 | if (oldCreator != null) { |
aoqi@0 | 173 | throw LOGGER.logSevereException(new PolicyException( |
aoqi@0 | 174 | LocalizationMessages.WSP_0071_ERROR_MULTIPLE_ASSERTION_CREATORS_FOR_NAMESPACE( |
aoqi@0 | 175 | supportedURI, oldCreator.getClass().getName(), creator.getClass().getName()))); |
aoqi@0 | 176 | } |
aoqi@0 | 177 | } |
aoqi@0 | 178 | } |
aoqi@0 | 179 | |
aoqi@0 | 180 | this.assertionCreators = Collections.unmodifiableMap(pacMap); |
aoqi@0 | 181 | LOGGER.exiting(); |
aoqi@0 | 182 | } |
aoqi@0 | 183 | |
aoqi@0 | 184 | /** |
aoqi@0 | 185 | * Method returns thread-safe policy model translator instance. |
aoqi@0 | 186 | * |
aoqi@0 | 187 | * This method is only intended to be used by code that has no dependencies on |
aoqi@0 | 188 | * JAX-WS. Otherwise use com.sun.xml.internal.ws.policy.api.ModelTranslator. |
aoqi@0 | 189 | * |
aoqi@0 | 190 | * @return A policy model translator instance. |
aoqi@0 | 191 | * @throws PolicyException If instantiating a PolicyAssertionCreator failed. |
aoqi@0 | 192 | */ |
aoqi@0 | 193 | public static PolicyModelTranslator getTranslator() throws PolicyException { |
aoqi@0 | 194 | return new PolicyModelTranslator(); |
aoqi@0 | 195 | } |
aoqi@0 | 196 | |
aoqi@0 | 197 | /** |
aoqi@0 | 198 | * The method translates {@link PolicySourceModel} structure into normalized {@link Policy} expression. The resulting Policy |
aoqi@0 | 199 | * is disconnected from its model, thus any additional changes in model will have no effect on the Policy expression. |
aoqi@0 | 200 | * |
aoqi@0 | 201 | * @param model the model to be translated into normalized policy expression. Must not be {@code null}. |
aoqi@0 | 202 | * @return translated policy expression in it's normalized form. |
aoqi@0 | 203 | * @throws PolicyException in case of translation failure |
aoqi@0 | 204 | */ |
aoqi@0 | 205 | public Policy translate(final PolicySourceModel model) throws PolicyException { |
aoqi@0 | 206 | LOGGER.entering(model); |
aoqi@0 | 207 | |
aoqi@0 | 208 | if (model == null) { |
aoqi@0 | 209 | throw LOGGER.logSevereException(new PolicyException(LocalizationMessages.WSP_0043_POLICY_MODEL_TRANSLATION_ERROR_INPUT_PARAM_NULL())); |
aoqi@0 | 210 | } |
aoqi@0 | 211 | |
aoqi@0 | 212 | PolicySourceModel localPolicyModelCopy; |
aoqi@0 | 213 | try { |
aoqi@0 | 214 | localPolicyModelCopy = model.clone(); |
aoqi@0 | 215 | } catch (CloneNotSupportedException e) { |
aoqi@0 | 216 | throw LOGGER.logSevereException(new PolicyException(LocalizationMessages.WSP_0016_UNABLE_TO_CLONE_POLICY_SOURCE_MODEL(), e)); |
aoqi@0 | 217 | } |
aoqi@0 | 218 | |
aoqi@0 | 219 | final String policyId = localPolicyModelCopy.getPolicyId(); |
aoqi@0 | 220 | final String policyName = localPolicyModelCopy.getPolicyName(); |
aoqi@0 | 221 | |
aoqi@0 | 222 | final Collection<AssertionSet> alternatives = createPolicyAlternatives(localPolicyModelCopy); |
aoqi@0 | 223 | LOGGER.finest(LocalizationMessages.WSP_0052_NUMBER_OF_ALTERNATIVE_COMBINATIONS_CREATED(alternatives.size())); |
aoqi@0 | 224 | |
aoqi@0 | 225 | Policy policy = null; |
aoqi@0 | 226 | if (alternatives.size() == 0) { |
aoqi@0 | 227 | policy = Policy.createNullPolicy(model.getNamespaceVersion(), policyName, policyId); |
aoqi@0 | 228 | LOGGER.finest(LocalizationMessages.WSP_0055_NO_ALTERNATIVE_COMBINATIONS_CREATED()); |
aoqi@0 | 229 | } else if (alternatives.size() == 1 && alternatives.iterator().next().isEmpty()) { |
aoqi@0 | 230 | policy = Policy.createEmptyPolicy(model.getNamespaceVersion(), policyName, policyId); |
aoqi@0 | 231 | LOGGER.finest(LocalizationMessages.WSP_0026_SINGLE_EMPTY_ALTERNATIVE_COMBINATION_CREATED()); |
aoqi@0 | 232 | } else { |
aoqi@0 | 233 | policy = Policy.createPolicy(model.getNamespaceVersion(), policyName, policyId, alternatives); |
aoqi@0 | 234 | LOGGER.finest(LocalizationMessages.WSP_0057_N_ALTERNATIVE_COMBINATIONS_M_POLICY_ALTERNATIVES_CREATED(alternatives.size(), policy.getNumberOfAssertionSets())); |
aoqi@0 | 235 | } |
aoqi@0 | 236 | |
aoqi@0 | 237 | LOGGER.exiting(policy); |
aoqi@0 | 238 | return policy; |
aoqi@0 | 239 | } |
aoqi@0 | 240 | |
aoqi@0 | 241 | /** |
aoqi@0 | 242 | * Method creates policy alternatives according to provided model. The model structure is modified in the process. |
aoqi@0 | 243 | * |
aoqi@0 | 244 | * @return created policy alternatives resulting from policy source model. |
aoqi@0 | 245 | */ |
aoqi@0 | 246 | private Collection<AssertionSet> createPolicyAlternatives(final PolicySourceModel model) throws PolicyException { |
aoqi@0 | 247 | // creating global method variables |
aoqi@0 | 248 | final ContentDecomposition decomposition = new ContentDecomposition(); |
aoqi@0 | 249 | |
aoqi@0 | 250 | // creating processing queue and starting the processing iterations |
aoqi@0 | 251 | final Queue<RawPolicy> policyQueue = new LinkedList<RawPolicy>(); |
aoqi@0 | 252 | final Queue<Collection<ModelNode>> contentQueue = new LinkedList<Collection<ModelNode>>(); |
aoqi@0 | 253 | |
aoqi@0 | 254 | final RawPolicy rootPolicy = new RawPolicy(model.getRootNode(), new LinkedList<RawAlternative>()); |
aoqi@0 | 255 | RawPolicy processedPolicy = rootPolicy; |
aoqi@0 | 256 | do { |
aoqi@0 | 257 | Collection<ModelNode> processedContent = processedPolicy.originalContent; |
aoqi@0 | 258 | do { |
aoqi@0 | 259 | decompose(processedContent, decomposition); |
aoqi@0 | 260 | if (decomposition.exactlyOneContents.isEmpty()) { |
aoqi@0 | 261 | final RawAlternative alternative = new RawAlternative(decomposition.assertions); |
aoqi@0 | 262 | processedPolicy.alternatives.add(alternative); |
aoqi@0 | 263 | if (!alternative.allNestedPolicies.isEmpty()) { |
aoqi@0 | 264 | policyQueue.addAll(alternative.allNestedPolicies); |
aoqi@0 | 265 | } |
aoqi@0 | 266 | } else { // we have a non-empty collection of exactly ones |
aoqi@0 | 267 | final Collection<Collection<ModelNode>> combinations = PolicyUtils.Collections.combine(decomposition.assertions, decomposition.exactlyOneContents, false); |
aoqi@0 | 268 | if (combinations != null && !combinations.isEmpty()) { |
aoqi@0 | 269 | // processed alternative was split into some new alternatives, which we need to process |
aoqi@0 | 270 | contentQueue.addAll(combinations); |
aoqi@0 | 271 | } |
aoqi@0 | 272 | } |
aoqi@0 | 273 | } while ((processedContent = contentQueue.poll()) != null); |
aoqi@0 | 274 | } while ((processedPolicy = policyQueue.poll()) != null); |
aoqi@0 | 275 | |
aoqi@0 | 276 | // normalize nested policies to contain single alternative only |
aoqi@0 | 277 | final Collection<AssertionSet> assertionSets = new LinkedList<AssertionSet>(); |
aoqi@0 | 278 | for (RawAlternative rootAlternative : rootPolicy.alternatives) { |
aoqi@0 | 279 | final Collection<AssertionSet> normalizedAlternatives = normalizeRawAlternative(rootAlternative); |
aoqi@0 | 280 | assertionSets.addAll(normalizedAlternatives); |
aoqi@0 | 281 | } |
aoqi@0 | 282 | |
aoqi@0 | 283 | return assertionSets; |
aoqi@0 | 284 | } |
aoqi@0 | 285 | |
aoqi@0 | 286 | /** |
aoqi@0 | 287 | * Decomposes the unprocessed alternative content into two different collections: |
aoqi@0 | 288 | * <p/> |
aoqi@0 | 289 | * Content of 'EXACTLY_ONE' child nodes is expanded and placed in one list and |
aoqi@0 | 290 | * 'ASSERTION' nodes are placed into other list. Direct 'ALL' and 'POLICY' child nodes are 'dissolved' in the process. |
aoqi@0 | 291 | * |
aoqi@0 | 292 | * Method reuses precreated ContentDecomposition object, which is reset before reuse. |
aoqi@0 | 293 | */ |
aoqi@0 | 294 | private void decompose(final Collection<ModelNode> content, final ContentDecomposition decomposition) throws PolicyException { |
aoqi@0 | 295 | decomposition.reset(); |
aoqi@0 | 296 | |
aoqi@0 | 297 | final Queue<ModelNode> allContentQueue = new LinkedList<ModelNode>(content); |
aoqi@0 | 298 | ModelNode node; |
aoqi@0 | 299 | while ((node = allContentQueue.poll()) != null) { |
aoqi@0 | 300 | // dissolving direct 'POLICY', 'POLICY_REFERENCE' and 'ALL' child nodes |
aoqi@0 | 301 | switch (node.getType()) { |
aoqi@0 | 302 | case POLICY : |
aoqi@0 | 303 | case ALL : |
aoqi@0 | 304 | allContentQueue.addAll(node.getChildren()); |
aoqi@0 | 305 | break; |
aoqi@0 | 306 | case POLICY_REFERENCE : |
aoqi@0 | 307 | allContentQueue.addAll(getReferencedModelRootNode(node).getChildren()); |
aoqi@0 | 308 | break; |
aoqi@0 | 309 | case EXACTLY_ONE : |
aoqi@0 | 310 | decomposition.exactlyOneContents.add(expandsExactlyOneContent(node.getChildren())); |
aoqi@0 | 311 | break; |
aoqi@0 | 312 | case ASSERTION : |
aoqi@0 | 313 | decomposition.assertions.add(node); |
aoqi@0 | 314 | break; |
aoqi@0 | 315 | default : |
aoqi@0 | 316 | throw LOGGER.logSevereException(new PolicyException(LocalizationMessages.WSP_0007_UNEXPECTED_MODEL_NODE_TYPE_FOUND(node.getType()))); |
aoqi@0 | 317 | } |
aoqi@0 | 318 | } |
aoqi@0 | 319 | } |
aoqi@0 | 320 | |
aoqi@0 | 321 | private static ModelNode getReferencedModelRootNode(final ModelNode policyReferenceNode) throws PolicyException { |
aoqi@0 | 322 | final PolicySourceModel referencedModel = policyReferenceNode.getReferencedModel(); |
aoqi@0 | 323 | if (referencedModel == null) { |
aoqi@0 | 324 | final PolicyReferenceData refData = policyReferenceNode.getPolicyReferenceData(); |
aoqi@0 | 325 | if (refData == null) { |
aoqi@0 | 326 | throw LOGGER.logSevereException(new PolicyException(LocalizationMessages.WSP_0041_POLICY_REFERENCE_NODE_FOUND_WITH_NO_POLICY_REFERENCE_IN_IT())); |
aoqi@0 | 327 | } else { |
aoqi@0 | 328 | throw LOGGER.logSevereException(new PolicyException(LocalizationMessages.WSP_0010_UNEXPANDED_POLICY_REFERENCE_NODE_FOUND_REFERENCING(refData.getReferencedModelUri()))); |
aoqi@0 | 329 | } |
aoqi@0 | 330 | } else { |
aoqi@0 | 331 | return referencedModel.getRootNode(); |
aoqi@0 | 332 | } |
aoqi@0 | 333 | } |
aoqi@0 | 334 | |
aoqi@0 | 335 | /** |
aoqi@0 | 336 | * Expands content of 'EXACTLY_ONE' node. Direct 'EXACTLY_ONE' child nodes are dissolved in the process. |
aoqi@0 | 337 | */ |
aoqi@0 | 338 | private Collection<ModelNode> expandsExactlyOneContent(final Collection<ModelNode> content) throws PolicyException { |
aoqi@0 | 339 | final Collection<ModelNode> result = new LinkedList<ModelNode>(); |
aoqi@0 | 340 | |
aoqi@0 | 341 | final Queue<ModelNode> eoContentQueue = new LinkedList<ModelNode>(content); |
aoqi@0 | 342 | ModelNode node; |
aoqi@0 | 343 | while ((node = eoContentQueue.poll()) != null) { |
aoqi@0 | 344 | // dissolving direct 'EXACTLY_ONE' child nodes |
aoqi@0 | 345 | switch (node.getType()) { |
aoqi@0 | 346 | case POLICY : |
aoqi@0 | 347 | case ALL : |
aoqi@0 | 348 | case ASSERTION : |
aoqi@0 | 349 | result.add(node); |
aoqi@0 | 350 | break; |
aoqi@0 | 351 | case POLICY_REFERENCE : |
aoqi@0 | 352 | result.add(getReferencedModelRootNode(node)); |
aoqi@0 | 353 | break; |
aoqi@0 | 354 | case EXACTLY_ONE : |
aoqi@0 | 355 | eoContentQueue.addAll(node.getChildren()); |
aoqi@0 | 356 | break; |
aoqi@0 | 357 | default : |
aoqi@0 | 358 | throw LOGGER.logSevereException(new PolicyException(LocalizationMessages.WSP_0001_UNSUPPORTED_MODEL_NODE_TYPE(node.getType()))); |
aoqi@0 | 359 | } |
aoqi@0 | 360 | } |
aoqi@0 | 361 | |
aoqi@0 | 362 | return result; |
aoqi@0 | 363 | } |
aoqi@0 | 364 | |
aoqi@0 | 365 | private List<AssertionSet> normalizeRawAlternative(final RawAlternative alternative) throws AssertionCreationException, PolicyException { |
aoqi@0 | 366 | final List<PolicyAssertion> normalizedContentBase = new LinkedList<PolicyAssertion>(); |
aoqi@0 | 367 | final Collection<List<PolicyAssertion>> normalizedContentOptions = new LinkedList<List<PolicyAssertion>>(); |
aoqi@0 | 368 | if (!alternative.nestedAssertions.isEmpty()) { |
aoqi@0 | 369 | final Queue<RawAssertion> nestedAssertionsQueue = new LinkedList<RawAssertion>(alternative.nestedAssertions); |
aoqi@0 | 370 | RawAssertion rawAssertion; |
aoqi@0 | 371 | while((rawAssertion = nestedAssertionsQueue.poll()) != null) { |
aoqi@0 | 372 | final List<PolicyAssertion> normalized = normalizeRawAssertion(rawAssertion); |
aoqi@0 | 373 | // if there is only a single result, we can add it direclty to the content base collection |
aoqi@0 | 374 | // more elements in the result indicate that we will have to create combinations |
aoqi@0 | 375 | if (normalized.size() == 1) { |
aoqi@0 | 376 | normalizedContentBase.addAll(normalized); |
aoqi@0 | 377 | } else { |
aoqi@0 | 378 | normalizedContentOptions.add(normalized); |
aoqi@0 | 379 | } |
aoqi@0 | 380 | } |
aoqi@0 | 381 | } |
aoqi@0 | 382 | |
aoqi@0 | 383 | final List<AssertionSet> options = new LinkedList<AssertionSet>(); |
aoqi@0 | 384 | if (normalizedContentOptions.isEmpty()) { |
aoqi@0 | 385 | // we do not have any options to combine => returning this assertion |
aoqi@0 | 386 | options.add(AssertionSet.createAssertionSet(normalizedContentBase)); |
aoqi@0 | 387 | } else { |
aoqi@0 | 388 | // we have some options to combine => creating assertion options based on content combinations |
aoqi@0 | 389 | final Collection<Collection<PolicyAssertion>> contentCombinations = PolicyUtils.Collections.combine(normalizedContentBase, normalizedContentOptions, true); |
aoqi@0 | 390 | for (Collection<PolicyAssertion> contentOption : contentCombinations) { |
aoqi@0 | 391 | options.add(AssertionSet.createAssertionSet(contentOption)); |
aoqi@0 | 392 | } |
aoqi@0 | 393 | } |
aoqi@0 | 394 | return options; |
aoqi@0 | 395 | } |
aoqi@0 | 396 | |
aoqi@0 | 397 | private List<PolicyAssertion> normalizeRawAssertion(final RawAssertion assertion) throws AssertionCreationException, PolicyException { |
aoqi@0 | 398 | List<PolicyAssertion> parameters; |
aoqi@0 | 399 | if (assertion.parameters.isEmpty()) { |
aoqi@0 | 400 | parameters = null; |
aoqi@0 | 401 | } else { |
aoqi@0 | 402 | parameters = new ArrayList<PolicyAssertion>(assertion.parameters.size()); |
aoqi@0 | 403 | for (ModelNode parameterNode : assertion.parameters) { |
aoqi@0 | 404 | parameters.add(createPolicyAssertionParameter(parameterNode)); |
aoqi@0 | 405 | } |
aoqi@0 | 406 | } |
aoqi@0 | 407 | |
aoqi@0 | 408 | final List<AssertionSet> nestedAlternatives = new LinkedList<AssertionSet>(); |
aoqi@0 | 409 | if (assertion.nestedAlternatives != null && !assertion.nestedAlternatives.isEmpty()) { |
aoqi@0 | 410 | final Queue<RawAlternative> nestedAlternativeQueue = new LinkedList<RawAlternative>(assertion.nestedAlternatives); |
aoqi@0 | 411 | RawAlternative rawAlternative; |
aoqi@0 | 412 | while((rawAlternative = nestedAlternativeQueue.poll()) != null) { |
aoqi@0 | 413 | nestedAlternatives.addAll(normalizeRawAlternative(rawAlternative)); |
aoqi@0 | 414 | } |
aoqi@0 | 415 | // if there is only a single result, we can add it direclty to the content base collection |
aoqi@0 | 416 | // more elements in the result indicate that we will have to create combinations |
aoqi@0 | 417 | } |
aoqi@0 | 418 | |
aoqi@0 | 419 | final List<PolicyAssertion> assertionOptions = new LinkedList<PolicyAssertion>(); |
aoqi@0 | 420 | final boolean nestedAlternativesAvailable = !nestedAlternatives.isEmpty(); |
aoqi@0 | 421 | if (nestedAlternativesAvailable) { |
aoqi@0 | 422 | for (AssertionSet nestedAlternative : nestedAlternatives) { |
aoqi@0 | 423 | assertionOptions.add(createPolicyAssertion(assertion.originalNode.getNodeData(), parameters, nestedAlternative)); |
aoqi@0 | 424 | } |
aoqi@0 | 425 | } else { |
aoqi@0 | 426 | assertionOptions.add(createPolicyAssertion(assertion.originalNode.getNodeData(), parameters, null)); |
aoqi@0 | 427 | } |
aoqi@0 | 428 | return assertionOptions; |
aoqi@0 | 429 | } |
aoqi@0 | 430 | |
aoqi@0 | 431 | private PolicyAssertion createPolicyAssertionParameter(final ModelNode parameterNode) throws AssertionCreationException, PolicyException { |
aoqi@0 | 432 | if (parameterNode.getType() != ModelNode.Type.ASSERTION_PARAMETER_NODE) { |
aoqi@0 | 433 | throw LOGGER.logSevereException(new PolicyException(LocalizationMessages.WSP_0065_INCONSISTENCY_IN_POLICY_SOURCE_MODEL(parameterNode.getType()))); |
aoqi@0 | 434 | } |
aoqi@0 | 435 | |
aoqi@0 | 436 | List<PolicyAssertion> childParameters = null; |
aoqi@0 | 437 | if (parameterNode.hasChildren()) { |
aoqi@0 | 438 | childParameters = new ArrayList<PolicyAssertion>(parameterNode.childrenSize()); |
aoqi@0 | 439 | for (ModelNode childParameterNode : parameterNode) { |
aoqi@0 | 440 | childParameters.add(createPolicyAssertionParameter(childParameterNode)); |
aoqi@0 | 441 | } |
aoqi@0 | 442 | } |
aoqi@0 | 443 | |
aoqi@0 | 444 | return createPolicyAssertion(parameterNode.getNodeData(), childParameters, null /* parameters do not have any nested alternatives */); |
aoqi@0 | 445 | } |
aoqi@0 | 446 | |
aoqi@0 | 447 | private PolicyAssertion createPolicyAssertion(final AssertionData data, final Collection<PolicyAssertion> assertionParameters, final AssertionSet nestedAlternative) throws AssertionCreationException { |
aoqi@0 | 448 | final String assertionNamespace = data.getName().getNamespaceURI(); |
aoqi@0 | 449 | final PolicyAssertionCreator domainSpecificPAC = assertionCreators.get(assertionNamespace); |
aoqi@0 | 450 | |
aoqi@0 | 451 | |
aoqi@0 | 452 | if (domainSpecificPAC == null) { |
aoqi@0 | 453 | return defaultCreator.createAssertion(data, assertionParameters, nestedAlternative, null); |
aoqi@0 | 454 | } else { |
aoqi@0 | 455 | return domainSpecificPAC.createAssertion(data, assertionParameters, nestedAlternative, defaultCreator); |
aoqi@0 | 456 | } |
aoqi@0 | 457 | } |
aoqi@0 | 458 | |
aoqi@0 | 459 | } |