jdk8-mips64-public/jaxws: comparison src/share/jaxws_classes/com/sun/xml/internal/ws/policy/PolicyIntersector.java

--1:000000000000
+:373ffda63c9a
+/*
+* Copyright (c) 1997, 2010, 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;
+import com.sun.xml.internal.ws.policy.privateutil.PolicyLogger;
+import java.util.Collection;
+import java.util.LinkedList;
+import java.util.List;
+import java.util.Queue;
+import com.sun.xml.internal.ws.policy.privateutil.LocalizationMessages;
+import com.sun.xml.internal.ws.policy.sourcemodel.wspolicy.NamespaceVersion;
+import java.util.ArrayList;
+/**
+* The instance of this class is intended to provide policy intersection mechanism.
+*
+* @author Marek Potociar (marek.potociar@sun.com)
+*/
+public final class PolicyIntersector {
+static enum CompatibilityMode {
+STRICT,
+LAX
+}
+private static final PolicyIntersector STRICT_INTERSECTOR = new PolicyIntersector(CompatibilityMode.STRICT);
+private static final PolicyIntersector LAX_INTERSECTOR = new PolicyIntersector(CompatibilityMode.LAX);
+private static final PolicyLogger LOGGER = PolicyLogger.getLogger(PolicyIntersector.class);
+private CompatibilityMode mode;
+/**
+* Prevents direct instantiation of this class from outside
+* @param intersectionMode intersection mode
+*/
+private PolicyIntersector(CompatibilityMode intersectionMode) {
+this.mode = intersectionMode;
+}
+/**
+* Returns a strict policy intersector that can be used to intersect group of policies.
+*
+* @return policy intersector instance.
+*/
+public static PolicyIntersector createStrictPolicyIntersector() {
+return PolicyIntersector.STRICT_INTERSECTOR;
+}
+/**
+* Returns a strict policy intersector that can be used to intersect group of policies.
+*
+* @return policy intersector instance.
+*/
+public static PolicyIntersector createLaxPolicyIntersector() {
+return PolicyIntersector.LAX_INTERSECTOR;
+}
+/**
+* Performs intersection on the input collection of policies and returns the resulting (intersected) policy. If input policy
+* collection contains only a single policy instance, no intersection is performed and the instance is directly returned
+* as a method call result.
+*
+* @param policies collection of policies to be intersected. Must not be {@code null} nor empty, otherwise exception is thrown.
+* @return intersected policy as a result of perfromed policy intersection. A {@code null} value is never returned.
+*
+* @throws IllegalArgumentException in case {@code policies} argument is either {@code null} or empty collection.
+*/
+public Policy intersect(final Policy... policies) {
+if (policies == null || policies.length == 0) {
+throw LOGGER.logSevereException(new IllegalArgumentException(LocalizationMessages.WSP_0056_NEITHER_NULL_NOR_EMPTY_POLICY_COLLECTION_EXPECTED()));
+} else if (policies.length == 1) {
+return policies[0];
+}
+// check for "null" and "empty" policy: if such policy is found return "null" policy,
+// or if all policies are "empty", return "empty" policy
+boolean found = false;
+boolean allPoliciesEmpty = true;
+NamespaceVersion latestVersion = null;
+for (Policy tested : policies) {
+if (tested.isEmpty()) {
+found = true;
+} else {
+if (tested.isNull()) {
+found = true;
+}
+allPoliciesEmpty = false;
+}
+if (latestVersion == null) {
+latestVersion = tested.getNamespaceVersion();
+} else if (latestVersion.compareTo(tested.getNamespaceVersion()) < 0) {
+latestVersion = tested.getNamespaceVersion();
+}
+if (found && !allPoliciesEmpty) {
+return Policy.createNullPolicy(latestVersion, null, null);
+}
+}
+latestVersion = (latestVersion != null) ? latestVersion : NamespaceVersion.getLatestVersion();
+if (allPoliciesEmpty) {
+return Policy.createEmptyPolicy(latestVersion, null, null);
+}
+// simple tests didn't lead to final answer => let's performe some intersecting ;)
+final List<AssertionSet> finalAlternatives = new LinkedList<AssertionSet>(policies[0].getContent());
+final Queue<AssertionSet> testedAlternatives = new LinkedList<AssertionSet>();
+final List<AssertionSet> alternativesToMerge = new ArrayList<AssertionSet>(2);
+for (int i = 1; i < policies.length; i++) {
+final Collection<AssertionSet> currentAlternatives = policies[i].getContent();
+testedAlternatives.clear();
+testedAlternatives.addAll(finalAlternatives);
+finalAlternatives.clear();
+AssertionSet testedAlternative;
+while ((testedAlternative = testedAlternatives.poll()) != null) {
+for (AssertionSet currentAlternative : currentAlternatives) {
+if (testedAlternative.isCompatibleWith(currentAlternative, this.mode)) {
+alternativesToMerge.add(testedAlternative);
+alternativesToMerge.add(currentAlternative);
+finalAlternatives.add(AssertionSet.createMergedAssertionSet(alternativesToMerge));
+alternativesToMerge.clear();
+}
+}
+}
+}
+return Policy.createPolicy(latestVersion, null, null, finalAlternatives);
+}
+}

Mercurial > jdk8-mips64-public > jaxws / file comparison

comparison: src/share/jaxws_classes/com/sun/xml/internal/ws/policy/PolicyIntersector.java

src/share/jaxws_classes/com/sun/xml/internal/ws/policy/PolicyIntersector.java