1 /*
   2  * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions
   6  * are met:
   7  *
   8  *   - Redistributions of source code must retain the above copyright
   9  *     notice, this list of conditions and the following disclaimer.
  10  *
  11  *   - Redistributions in binary form must reproduce the above copyright
  12  *     notice, this list of conditions and the following disclaimer in the
  13  *     documentation and/or other materials provided with the distribution.
  14  *
  15  *   - Neither the name of Oracle nor the names of its
  16  *     contributors may be used to endorse or promote products derived
  17  *     from this software without specific prior written permission.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
  20  * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
  21  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
  23  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  24  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  25  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  26  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
  27  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
  28  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  29  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  30  */
  31 
  32 package jdk.nashorn.api.linker;
  33 
  34 import java.util.List;
  35 import jdk.dynalink.linker.GuardingDynamicLinker;
  36 import jdk.dynalink.linker.GuardingDynamicLinkerExporter;
  37 import jdk.nashorn.internal.runtime.linker.Bootstrap;
  38 
  39 /**
  40  * This linker exporter is a service provider that exports Nashorn Dynalink
  41  * linkers to external users. Other languague runtimes that use Dynalink
  42  * can use the linkers exported by this provider to support tight integration
  43  * of Nashorn objects.
  44  */
  45 public final class NashornLinkerExporter extends GuardingDynamicLinkerExporter {
  46     /**
  47      * The default constructor.
  48      */
  49     public NashornLinkerExporter() {}
  50 
  51     /**
  52      * Returns a list of exported nashorn specific linkers.
  53      *
  54      * @return list of exported nashorn specific linkers
  55      */
  56     @Override
  57     public List<GuardingDynamicLinker> get() {
  58         return Bootstrap.getExposedLinkers();
  59     }
  60 }