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