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      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
      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.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;
     41         ExtSocketOption(String name, Class<T> type) {
     42             this.name = name;
     43             this.type = type;
     44         }
     45         @Override public String name() { return name; }
     46         @Override public Class<T> type() { return type; }
     47         @Override public String toString() { return name; }
     48     }
     49 
     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