jdk8-mips64-public/jaxws: src/share/jaxws_classes/com/sun/xml/internal/ws/policy/NestedPolicy.java@e530533619ec

     1 /*

     2  * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.  Oracle designates this

     8  * particular file as subject to the "Classpath" exception as provided

     9  * by Oracle in the LICENSE file that accompanied this code.

    10  *

    11  * This code is distributed in the hope that it will be useful, but WITHOUT

    12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    14  * version 2 for more details (a copy is included in the LICENSE file that

    15  * accompanied this code).

    16  *

    17  * You should have received a copy of the GNU General Public License version

    18  * 2 along with this work; if not, write to the Free Software Foundation,

    19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    20  *

    21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    22  * or visit www.oracle.com if you need additional information or have any

    23  * questions.

    24  */

    26 package com.sun.xml.internal.ws.policy;

    28 import java.util.Arrays;

    29 import java.util.Iterator;

    31 /**

    32  * A special policy implementation that assures that only no or single policy alternative is possible within this type of policy.

    33  *

    34  * @author Marek Potociar

    35  */

    36 public final class NestedPolicy extends Policy {

    37     private static final String NESTED_POLICY_TOSTRING_NAME = "nested policy";

    39     private NestedPolicy(final AssertionSet set) {

    40         super(NESTED_POLICY_TOSTRING_NAME, Arrays.asList(new AssertionSet[] { set }));

    41     }

    43     private NestedPolicy(final String name, final String policyId, final AssertionSet set) {

    44         super(NESTED_POLICY_TOSTRING_NAME, name, policyId, Arrays.asList(new AssertionSet[] { set }));

    45     }

    47     static NestedPolicy createNestedPolicy(final AssertionSet set) {

    48         return new NestedPolicy(set);

    49     }

    51     static NestedPolicy createNestedPolicy(final String name, final String policyId, final AssertionSet set) {

    52         return new NestedPolicy(name, policyId, set);

    53     }

    55     /**

    56      * Returns the AssertionSet instance representing a single policy alterantive held wihtin this nested policy object.

    57      * If the nested policy represents a policy with no alternatives (i.e. nothing is allowed) the method returns {@code null}.

    58      *

    59      * @return nested policy alternative represented by AssertionSet object. May return {@code null} in case the nested policy

    60      * represents 'nothing allowed' policy.

    61      */

    62     public AssertionSet getAssertionSet() {

    63         final Iterator<AssertionSet> iterator = iterator();

    64         if (iterator.hasNext()) {

    65             return iterator.next();

    66         } else {

    67             return null;

    68         }

    69     }

    71     /**

    72      * An {@code Object.equals(Object obj)} method override.

    73      */

    74     @Override

    75     public boolean equals(final Object obj) {

    76         if (this == obj) {

    77             return true;

    78         }

    80         if (!(obj instanceof NestedPolicy)) {

    81             return false;

    82         }

    84         final NestedPolicy that = (NestedPolicy) obj;

    86         return super.equals(that);

    87     }

    89     @Override

    90     public int hashCode() {

    91         return super.hashCode();

    92     }

    94     /**

    95      * An {@code Object.toString()} method override.

    96      */

    97     @Override

    98     public String toString() {

    99         return toString(0, new StringBuffer()).toString();

   100     }

   102     /**

   103      * A helper method that appends indented string representation of this instance to the input string buffer.

   104      *

   105      * @param indentLevel indentation level to be used.

   106      * @param buffer buffer to be used for appending string representation of this instance

   107      * @return modified buffer containing new string representation of the instance

   108      */

   109     @Override

   110     StringBuffer toString(final int indentLevel, final StringBuffer buffer) {

   111         return super.toString(indentLevel, buffer);

   112     }

   113 }

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