feat(jdk8): move files to new folder to avoid resources compiled.

jdkSrc/jdk8/com/sun/xml/internal/ws/policy/PolicyMerger.java

@@ -0,0 +1,106 @@
+/*
+ * 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.PolicyUtils;
+import com.sun.xml.internal.ws.policy.sourcemodel.wspolicy.NamespaceVersion;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.LinkedList;
+
+/**
+ * Merge policies and return the effective policy.
+ *
+ * WS-PolicyAttachment defines a merge algorithm for WSDL 1.1 policy attachments.
+ */
+public final class PolicyMerger {
+    private static final PolicyMerger merger = new PolicyMerger();
+
+    /**
+     * This private constructor is to avoid direct class instantiation from outsied of the package
+     */
+    private PolicyMerger() {
+        // nothing to instantiate
+    }
+
+    /**
+     * Factory method for obtaining thread-safe policy merger instance.
+     *
+     * @return policy merger instance.
+     */
+    public static PolicyMerger getMerger() {
+        return merger;
+    }
+
+    /**
+     * Takes collection of policies and merges them into a single policy using algorithm described in
+     * WS-PolicyAttachment specification. None of the original policies in the collection are modified in
+     * any way.
+     *
+     * The newly created policy has an ID that is a concatentation of all merged policy IDs.
+     *
+     * @param policies collection of policies to be merged. The collection must not contain '{@code null}' elements!
+     * @return merged policy containing combination of policy alternatives stored in all input policies.
+     *         If provided collection of policies is {@code null} or empty, returns {@code null}. If provided
+     *         collection of policies contains only single policy, the policy is returned.
+     */
+    public Policy merge(final Collection<Policy> policies) {
+        if (policies == null || policies.isEmpty()) {
+            return null;
+        } else if (policies.size() == 1) {
+            return policies.iterator().next();
+        }
+
+        final Collection<Collection<AssertionSet>> alternativeSets = new LinkedList<Collection<AssertionSet>>();
+        final StringBuilder id = new StringBuilder();
+        NamespaceVersion mergedVersion = policies.iterator().next().getNamespaceVersion();
+        for (Policy policy : policies) {
+            alternativeSets.add(policy.getContent());
+            if (mergedVersion.compareTo(policy.getNamespaceVersion()) < 0) {
+                mergedVersion = policy.getNamespaceVersion();
+            }
+            final String policyId = policy.getId();
+            if (policyId != null) {
+                if (id.length() > 0) {
+                    id.append('-');
+                }
+                id.append(policyId);
+            }
+        }
+
+        final Collection<Collection<AssertionSet>> combinedAlternatives = PolicyUtils.Collections.combine(null, alternativeSets, false);
+
+        if (combinedAlternatives == null || combinedAlternatives.isEmpty()) {
+            return Policy.createNullPolicy(mergedVersion, null, id.length() == 0 ? null : id.toString());
+        } else {
+            final Collection<AssertionSet> mergedSetList = new ArrayList<AssertionSet>(combinedAlternatives.size());
+            for (Collection<AssertionSet> toBeMerged : combinedAlternatives) {
+                mergedSetList.add(AssertionSet.createMergedAssertionSet(toBeMerged));
+            }
+            return Policy.createPolicy(mergedVersion, null, id.length() == 0 ? null : id.toString(), mergedSetList);
+        }
+    }
+}