Mon, 02 Jul 2018 16:43:07 +0100
Merge
attila@963 | 1 | /* |
attila@963 | 2 | * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. |
attila@963 | 3 | * |
attila@963 | 4 | * Redistribution and use in source and binary forms, with or without |
attila@963 | 5 | * modification, are permitted provided that the following conditions |
attila@963 | 6 | * are met: |
attila@963 | 7 | * |
attila@963 | 8 | * - Redistributions of source code must retain the above copyright |
attila@963 | 9 | * notice, this list of conditions and the following disclaimer. |
attila@963 | 10 | * |
attila@963 | 11 | * - Redistributions in binary form must reproduce the above copyright |
attila@963 | 12 | * notice, this list of conditions and the following disclaimer in the |
attila@963 | 13 | * documentation and/or other materials provided with the distribution. |
attila@963 | 14 | * |
attila@963 | 15 | * - Neither the name of Oracle nor the names of its |
attila@963 | 16 | * contributors may be used to endorse or promote products derived |
attila@963 | 17 | * from this software without specific prior written permission. |
attila@963 | 18 | * |
attila@963 | 19 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS |
attila@963 | 20 | * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, |
attila@963 | 21 | * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
attila@963 | 22 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR |
attila@963 | 23 | * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
attila@963 | 24 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
attila@963 | 25 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
attila@963 | 26 | * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF |
attila@963 | 27 | * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING |
attila@963 | 28 | * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
attila@963 | 29 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
attila@963 | 30 | */ |
attila@963 | 31 | |
attila@963 | 32 | // Flexible script object using AbstractJSObject subclass |
attila@963 | 33 | |
attila@963 | 34 | var AbstractJSObject = Java.type("jdk.nashorn.api.scripting.AbstractJSObject"); |
attila@963 | 35 | |
attila@963 | 36 | // JSObject example that uses a map for properties and |
attila@963 | 37 | // falls back to with methods on a java object (for missing |
attila@963 | 38 | // properties |
attila@963 | 39 | |
attila@963 | 40 | function makeJSObj(map, fallback) { |
attila@963 | 41 | return new AbstractJSObject() { |
attila@963 | 42 | getMember: function(name) { |
attila@963 | 43 | if (map.containsKey(name)) { |
attila@963 | 44 | return map.get(name); |
attila@963 | 45 | } |
attila@963 | 46 | |
attila@963 | 47 | var val = fallback[name]; |
attila@963 | 48 | if (typeof val == 'function') { |
attila@963 | 49 | return function() { |
attila@963 | 50 | var a = arguments; |
attila@963 | 51 | switch (a.length) { |
attila@963 | 52 | case 0: return fallback[name](); |
attila@963 | 53 | case 1: return fallback[name](a[0]); |
attila@963 | 54 | case 2: return fallback[name](a[0], a[1]); |
attila@963 | 55 | case 3: return fallback[name](a[0], a[1], a[2]); |
attila@963 | 56 | case 4: return fallback[name](a[0], a[1], a[2], a[3]); |
attila@963 | 57 | } |
attila@963 | 58 | } |
attila@963 | 59 | } |
attila@963 | 60 | } |
attila@963 | 61 | } |
attila@963 | 62 | } |
attila@963 | 63 | |
attila@963 | 64 | var m = new java.util.HashMap(); |
attila@963 | 65 | m.put("foo", 42); |
attila@963 | 66 | m.put("bar", 'hello'); |
attila@963 | 67 | |
attila@963 | 68 | var obj = makeJSObj(m, new java.io.File(".")); |
attila@963 | 69 | |
attila@963 | 70 | print(obj.foo); |
attila@963 | 71 | print(obj.bar); |
attila@963 | 72 | print(obj.getAbsolutePath()); |
attila@963 | 73 | print(obj.isDirectory()); |