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.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 /**
  25  * ClassFilter to filter out java classes in a script engine.
  26  *
  27  * @test
  28  * @run
  29  */
  30 
  31 var NashornScriptEngineFactory = Java.type("jdk.nashorn.api.scripting.NashornScriptEngineFactory");
  32 
  33 var fac = new NashornScriptEngineFactory();
  34 // allow only "java.*" classes to be accessed
  35 var e = fac.getScriptEngine(
  36     function(name) name.startsWith("java."));
  37 
  38 function evalIt(str) {
  39     print(str + " evalutes to " + e.eval(str));
  40 }
  41 
  42 function evalExpectError(str) {
  43     try {
  44         print(e.eval(str));
  45         fail("expected error for: " + str);
  46     } catch(exp) {
  47         print(str + " throws " + exp);
  48     }
  49 }
  50 
  51 evalIt("typeof javax.script.ScriptContext");
  52 evalIt("typeof javax.script.ScriptEngine");
  53 evalIt("typeof java.util.Vector");
  54 evalIt("typeof java.util.Map");
  55 evalIt("typeof java.util.HashMap");
  56 // should be able to call methods, create objects of java.* classes
  57 evalIt("var m = new java.util.HashMap(); m.put('foo', 42); m");
  58 evalIt("java.lang.System.out.println");
  59 evalIt("java.lang.System.exit");
  60 
  61 evalExpectError("new javax.script.SimpleBindings");
  62 evalExpectError("Java.type('javax.script.ScriptContext')");
  63 evalExpectError("java.lang.Class.forName('javax.script.ScriptContext')");
  64 
  65 try {
  66     fac["getScriptEngine(ClassFilter)"](null);
  67     fail("should have thrown NPE");
  68 } catch (e) {
  69     if (! (e instanceof java.lang.NullPointerException)) {
  70         fail("NPE expected, got " + e);
  71     }
  72 }