jdk8-mips64-public/nashorn: samples/jsobj_example.js@2f1b9f4daec1 (annotated)

samples/jsobj_example.js@2f1b9f4daec1 (annotated)

samples/jsobj_example.js

Fri, 05 Jun 2015 12:38:53 +0200

author: mhaupt
date: Fri, 05 Jun 2015 12:38:53 +0200
changeset 1398: 2f1b9f4daec1
parent 963: e2497b11a021
permissions: -rw-r--r--

8080087: Nashorn $ENV.PWD is originally undefined
Summary: On Windows, the PWD environment variable does not exist and cannot be imported in scripting mode, so it is set explicitly.
Reviewed-by: lagergren, sundar

 /*
  * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  *   - Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  *
  *   - Redistributions in binary form must reproduce the above copyright
  *     notice, this list of conditions and the following disclaimer in the
  *     documentation and/or other materials provided with the distribution.
  *
  *   - Neither the name of Oracle nor the names of its
  *     contributors may be used to endorse or promote products derived
  *     from this software without specific prior written permission.
  *
  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
  * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 // Flexible script object using AbstractJSObject subclass
 var AbstractJSObject = Java.type("jdk.nashorn.api.scripting.AbstractJSObject");
 // JSObject example that uses a map for properties and
 // falls back to with methods on a java object (for missing
 // properties
 function makeJSObj(map, fallback) {
     return new AbstractJSObject() {
         getMember: function(name) {
             if (map.containsKey(name)) {
                 return map.get(name);
             }
             var val = fallback[name];
             if (typeof val == 'function') {
                 return function() {
                    var a = arguments;
                    switch (a.length) {
                        case 0: return fallback[name]();
                        case 1: return fallback[name](a[0]);
                        case 2: return fallback[name](a[0], a[1]);
                        case 3: return fallback[name](a[0], a[1], a[2]);
                        case 4: return fallback[name](a[0], a[1], a[2], a[3]);
                    }
                 }
             }
         }
     }
 }
 var m = new java.util.HashMap();
 m.put("foo", 42);
 m.put("bar", 'hello');
 var obj = makeJSObj(m, new java.io.File("."));
 print(obj.foo);
 print(obj.bar);
 print(obj.getAbsolutePath());
 print(obj.isDirectory());