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 java.util.Arrays;
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import java.util.Iterator;
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/**
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* A special policy implementation that assures that only no or single policy alternative is possible within this type of policy.
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*
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* @author Marek Potociar
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*/
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public final class NestedPolicy extends Policy {
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private static final String NESTED_POLICY_TOSTRING_NAME = "nested policy";
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private NestedPolicy(final AssertionSet set) {
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super(NESTED_POLICY_TOSTRING_NAME, Arrays.asList(new AssertionSet[] { set }));
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}
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private NestedPolicy(final String name, final String policyId, final AssertionSet set) {
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super(NESTED_POLICY_TOSTRING_NAME, name, policyId, Arrays.asList(new AssertionSet[] { set }));
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}
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static NestedPolicy createNestedPolicy(final AssertionSet set) {
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return new NestedPolicy(set);
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}
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static NestedPolicy createNestedPolicy(final String name, final String policyId, final AssertionSet set) {
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return new NestedPolicy(name, policyId, set);
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}
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/**
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* Returns the AssertionSet instance representing a single policy alterantive held wihtin this nested policy object.
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* If the nested policy represents a policy with no alternatives (i.e. nothing is allowed) the method returns {@code null}.
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*
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* @return nested policy alternative represented by AssertionSet object. May return {@code null} in case the nested policy
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* represents 'nothing allowed' policy.
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*/
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public AssertionSet getAssertionSet() {
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final Iterator<AssertionSet> iterator = iterator();
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if (iterator.hasNext()) {
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return iterator.next();
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} else {
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return null;
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}
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}
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/**
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* An {@code Object.equals(Object obj)} method override.
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*/
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@Override
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public boolean equals(final Object obj) {
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if (this == obj) {
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return true;
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}
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if (!(obj instanceof NestedPolicy)) {
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return false;
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}
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final NestedPolicy that = (NestedPolicy) obj;
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return super.equals(that);
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}
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@Override
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public int hashCode() {
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return super.hashCode();
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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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@Override
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StringBuffer toString(final int indentLevel, final StringBuffer buffer) {
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return super.toString(indentLevel, buffer);
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}
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}
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