114 lines
4.0 KiB
Java
114 lines
4.0 KiB
Java
/*
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* Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package com.sun.xml.internal.ws.policy;
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import com.sun.xml.internal.ws.policy.privateutil.LocalizationMessages;
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import com.sun.xml.internal.ws.policy.privateutil.PolicyLogger;
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import com.sun.xml.internal.ws.policy.privateutil.PolicyUtils;
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import java.util.Collection;
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import java.util.LinkedList;
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import java.util.List;
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/**
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* A policy scope is a collection of equally ranked elements or subjects that
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* hold policies
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*
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* @author Fabian Ritzmann
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*/
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final class PolicyScope {
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private static final PolicyLogger LOGGER = PolicyLogger.getLogger(PolicyScope.class);
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private final List<PolicySubject> subjects = new LinkedList<PolicySubject>();
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PolicyScope(final List<PolicySubject> initialSubjects) {
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if (initialSubjects != null && !initialSubjects.isEmpty()) {
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this.subjects.addAll(initialSubjects);
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}
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}
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void attach(final PolicySubject subject) {
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if (subject == null) {
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throw LOGGER.logSevereException(new IllegalArgumentException(LocalizationMessages.WSP_0020_SUBJECT_PARAM_MUST_NOT_BE_NULL()));
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}
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subjects.add(subject);
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}
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void dettachAllSubjects() {
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subjects.clear();
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}
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/**
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* Returns all policies of the scope merged into one policy
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*
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* @return effective policy of the scope
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*/
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Policy getEffectivePolicy(final PolicyMerger merger) throws PolicyException {
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final LinkedList<Policy> policies = new LinkedList<Policy>();
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for (PolicySubject subject : subjects) {
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policies.add(subject.getEffectivePolicy(merger));
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}
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return merger.merge(policies);
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}
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/**
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* Returns all subjects contained by this scope
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*
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* @return The subjects contained by this scope
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*/
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Collection<PolicySubject> getPolicySubjects() {
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return this.subjects;
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}
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/**
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* An {@code Object.toString()} method override.
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*/
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@Override
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public String toString() {
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return toString(0, new StringBuffer()).toString();
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}
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/**
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* A helper method that appends indented string representation of this instance to the input string buffer.
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*
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* @param indentLevel indentation level to be used.
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* @param buffer buffer to be used for appending string representation of this instance
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* @return modified buffer containing new string representation of the instance
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*/
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StringBuffer toString(final int indentLevel, final StringBuffer buffer) {
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final String indent = PolicyUtils.Text.createIndent(indentLevel);
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buffer.append(indent).append("policy scope {").append(PolicyUtils.Text.NEW_LINE);
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for (PolicySubject policySubject : subjects) {
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policySubject.toString(indentLevel + 1, buffer).append(PolicyUtils.Text.NEW_LINE);
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}
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buffer.append(indent).append('}');
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return buffer;
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}
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}
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