1 /*
   2  * Copyright (c) 2014, 2017, 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  */
  25 
  26 package jdk.net;
  27 
  28 import java.security.BasicPermission;
  29 
  30 /**
  31  * Represents permission to access the extended networking capabilities
  32  * defined in the jdk.net package. These permissions contain a target
  33  * name, but no actions list. Callers either possess the permission or not.
  34  * <p>
  35  * The following targets are defined:
  36  *
  37  * <table class="striped"><caption style="display:none">permission target name,
  38  *  what the target allows,and associated risks</caption>
  39  * <thead>
  40  * <tr>
  41  *   <th scope="col">Permission Target Name</th>
  42  *   <th scope="col">What the Permission Allows</th>
  43  *   <th scope="col">Risks of Allowing this Permission</th>
  44  * </tr>
  45  * </thead>
  46  * <tbody>
  47  * <tr>
  48  *   <th scope="row">setOption.SO_FLOW_SLA</th>
  49  *   <td>set the {@link ExtendedSocketOptions#SO_FLOW_SLA SO_FLOW_SLA} option
  50  *       on any socket that supports it</td>
  51  *   <td>allows caller to set a higher priority or bandwidth allocation
  52  *       to sockets it creates, than they might otherwise be allowed.</td>
  53  * </tr>
  54  * <tr>
  55  *   <th scope="row">getOption.SO_FLOW_SLA</th>
  56  *   <td>retrieve the {@link ExtendedSocketOptions#SO_FLOW_SLA SO_FLOW_SLA}
  57  *       setting from any socket that supports the option</td>
  58  *   <td>allows caller access to SLA information that it might not
  59  *       otherwise have</td>
  60  * </tr>
  61  * </tbody>
  62  * </table>
  63  *
  64  * @see jdk.net.ExtendedSocketOptions
  65  *
  66  * @since 1.8
  67  */
  68 
  69 public final class NetworkPermission extends BasicPermission {
  70 
  71     private static final long serialVersionUID = -2012939586906722291L;
  72 
  73     /**
  74      * Creates a NetworkPermission with the given target name.
  75      *
  76      * @param name the permission target name
  77      * @throws NullPointerException if {@code name} is {@code null}.
  78      * @throws IllegalArgumentException if {@code name} is empty.
  79      */
  80     public NetworkPermission(String name)
  81     {
  82         super(name);
  83     }
  84 
  85     /**
  86      * Creates a NetworkPermission with the given target name.
  87      *
  88      * @param name the permission target name
  89      * @param actions should be {@code null}. Is ignored if not.
  90      * @throws NullPointerException if {@code name} is {@code null}.
  91      * @throws IllegalArgumentException if {@code name} is empty.
  92      */
  93     public NetworkPermission(String name, String actions)
  94     {
  95         super(name, actions);
  96     }
  97 }