1 /*
2  * Copyright (c) 2014, 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
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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.
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24  */
25 
26 package jdk.net;
27 
28 import java.net.SocketOption;
29 
30 /**
31  * Defines extended socket options, beyond those defined in
32  * {@link java.net.StandardSocketOptions}. These options may be platform
33  * specific.
34  */
35 //@jdk.Exported
36 public final class ExtendedSocketOptions {
37 
38     private static class ExtSocketOption<T> implements SocketOption<T> {
39         private final String name;
40         private final Class<T> type;
ExtSocketOption(String name, Class<T> type)41         ExtSocketOption(String name, Class<T> type) {
42             this.name = name;
43             this.type = type;
44         }
name()45         @Override public String name() { return name; }
type()46         @Override public Class<T> type() { return type; }
toString()47         @Override public String toString() { return name; }
48     }
49 
ExtendedSocketOptions()50     private ExtendedSocketOptions() {}
51 
52     /**
53      * Service level properties. When a security manager is installed,
54      * setting or getting this option requires a {@link NetworkPermission}
55      * {@code ("setOption.SO_FLOW_SLA")} or {@code "getOption.SO_FLOW_SLA"}
56      * respectively.
57      */
58     public static final SocketOption<SocketFlow> SO_FLOW_SLA = new
59         ExtSocketOption<SocketFlow>("SO_FLOW_SLA", SocketFlow.class);
60 }
61