| /* |
| * Copyright (c) 1997, 2012, 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.LocalizationMessages; |
| import com.sun.xml.internal.ws.policy.privateutil.PolicyLogger; |
| import com.sun.xml.internal.ws.policy.privateutil.PolicyUtils; |
| import java.util.Collection; |
| import java.util.LinkedList; |
| import java.util.List; |
| |
| /** |
| * A policy scope is a collection of equally ranked elements or subjects that |
| * hold policies |
| * |
| * @author Fabian Ritzmann |
| */ |
| final class PolicyScope { |
| private static final PolicyLogger LOGGER = PolicyLogger.getLogger(PolicyScope.class); |
| |
| private final List<PolicySubject> subjects = new LinkedList<PolicySubject>(); |
| |
| PolicyScope(final List<PolicySubject> initialSubjects) { |
| if (initialSubjects != null && !initialSubjects.isEmpty()) { |
| this.subjects.addAll(initialSubjects); |
| } |
| } |
| |
| void attach(final PolicySubject subject) { |
| if (subject == null) { |
| throw LOGGER.logSevereException(new IllegalArgumentException(LocalizationMessages.WSP_0020_SUBJECT_PARAM_MUST_NOT_BE_NULL())); |
| } |
| |
| subjects.add(subject); |
| } |
| |
| void dettachAllSubjects() { |
| subjects.clear(); |
| } |
| |
| /** |
| * Returns all policies of the scope merged into one policy |
| * |
| * @return effective policy of the scope |
| */ |
| Policy getEffectivePolicy(final PolicyMerger merger) throws PolicyException { |
| final LinkedList<Policy> policies = new LinkedList<Policy>(); |
| for (PolicySubject subject : subjects) { |
| policies.add(subject.getEffectivePolicy(merger)); |
| } |
| return merger.merge(policies); |
| } |
| |
| /** |
| * Returns all subjects contained by this scope |
| * |
| * @return The subjects contained by this scope |
| */ |
| Collection<PolicySubject> getPolicySubjects() { |
| return this.subjects; |
| } |
| |
| |
| /** |
| * An {@code Object.toString()} method override. |
| */ |
| @Override |
| public String toString() { |
| return toString(0, new StringBuffer()).toString(); |
| } |
| |
| /** |
| * A helper method that appends indented string representation of this instance to the input string buffer. |
| * |
| * @param indentLevel indentation level to be used. |
| * @param buffer buffer to be used for appending string representation of this instance |
| * @return modified buffer containing new string representation of the instance |
| */ |
| StringBuffer toString(final int indentLevel, final StringBuffer buffer) { |
| final String indent = PolicyUtils.Text.createIndent(indentLevel); |
| |
| buffer.append(indent).append("policy scope {").append(PolicyUtils.Text.NEW_LINE); |
| for (PolicySubject policySubject : subjects) { |
| policySubject.toString(indentLevel + 1, buffer).append(PolicyUtils.Text.NEW_LINE); |
| } |
| buffer.append(indent).append('}'); |
| |
| return buffer; |
| } |
| } |