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Java example source code file (PolicyMerger.java)
The PolicyMerger.java Java example source code/* * 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 Other Java examples (source code examples)Here is a short list of links related to this Java PolicyMerger.java source code file: |
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