--- old/src/sample/nashorn/jsobj_example.js 2020-04-15 18:54:11.000000000 +0530 +++ /dev/null 2020-04-15 18:54:11.000000000 +0530 @@ -1,73 +0,0 @@ -/* - * 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());