attila@963: /*
attila@963:  * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
attila@963:  *
attila@963:  * Redistribution and use in source and binary forms, with or without
attila@963:  * modification, are permitted provided that the following conditions
attila@963:  * are met:
attila@963:  *
attila@963:  *   - Redistributions of source code must retain the above copyright
attila@963:  *     notice, this list of conditions and the following disclaimer.
attila@963:  *
attila@963:  *   - Redistributions in binary form must reproduce the above copyright
attila@963:  *     notice, this list of conditions and the following disclaimer in the
attila@963:  *     documentation and/or other materials provided with the distribution.
attila@963:  *
attila@963:  *   - Neither the name of Oracle nor the names of its
attila@963:  *     contributors may be used to endorse or promote products derived
attila@963:  *     from this software without specific prior written permission.
attila@963:  *
attila@963:  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
attila@963:  * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
attila@963:  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
attila@963:  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
attila@963:  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
attila@963:  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
attila@963:  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
attila@963:  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
attila@963:  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
attila@963:  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
attila@963:  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
attila@963:  */
attila@963: 
attila@963: // Flexible script object using AbstractJSObject subclass
attila@963: 
attila@963: var AbstractJSObject = Java.type("jdk.nashorn.api.scripting.AbstractJSObject");
attila@963: 
attila@963: // JSObject example that uses a map for properties and
attila@963: // falls back to with methods on a java object (for missing
attila@963: // properties
attila@963: 
attila@963: function makeJSObj(map, fallback) {
attila@963:     return new AbstractJSObject() {
attila@963:         getMember: function(name) {
attila@963:             if (map.containsKey(name)) {
attila@963:                 return map.get(name);
attila@963:             }
attila@963: 
attila@963:             var val = fallback[name];
attila@963:             if (typeof val == 'function') {
attila@963:                 return function() {
attila@963:                    var a = arguments;
attila@963:                    switch (a.length) {
attila@963:                        case 0: return fallback[name]();
attila@963:                        case 1: return fallback[name](a[0]);
attila@963:                        case 2: return fallback[name](a[0], a[1]);
attila@963:                        case 3: return fallback[name](a[0], a[1], a[2]);
attila@963:                        case 4: return fallback[name](a[0], a[1], a[2], a[3]);
attila@963:                    }
attila@963:                 }
attila@963:             }
attila@963:         }
attila@963:     }
attila@963: }
attila@963: 
attila@963: var m = new java.util.HashMap();
attila@963: m.put("foo", 42);
attila@963: m.put("bar", 'hello');
attila@963: 
attila@963: var obj = makeJSObj(m, new java.io.File("."));
attila@963: 
attila@963: print(obj.foo);
attila@963: print(obj.bar);
attila@963: print(obj.getAbsolutePath());
attila@963: print(obj.isDirectory());