jdk8-mips64-public/nashorn: samples/jsobject.js@2f1b9f4daec1

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

     1 #// Usage: jjs -scripting -cp . jsobject.js

     3 /*

     4  * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.

     5  *

     6  * Redistribution and use in source and binary forms, with or without

     7  * modification, are permitted provided that the following conditions

     8  * are met:

     9  *

    10  *   - Redistributions of source code must retain the above copyright

    11  *     notice, this list of conditions and the following disclaimer.

    12  *

    13  *   - Redistributions in binary form must reproduce the above copyright

    14  *     notice, this list of conditions and the following disclaimer in the

    15  *     documentation and/or other materials provided with the distribution.

    16  *

    17  *   - Neither the name of Oracle nor the names of its

    18  *     contributors may be used to endorse or promote products derived

    19  *     from this software without specific prior written permission.

    20  *

    21  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS

    22  * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,

    23  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR

    24  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR

    25  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,

    26  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,

    27  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR

    28  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF

    29  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING

    30  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS

    31  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

    32  */

    34 // This sample demonstrats how to expose a

    35 // script friendly object from your java code

    36 // by implementing jdk.nashorn.api.scripting.JSObject

    38 // compile the java program

    39 `javac BufferArray.java`;

    41 // print error, if any and exit

    42 if ($ERR != '') {

    43     print($ERR);

    44     exit($EXIT);

    45 }

    47 // create BufferArray

    48 var BufferArray = Java.type("BufferArray");

    49 var bb = new BufferArray(10);

    51 // 'magic' methods called to retrieve set/get

    52 // properties on BufferArray instance

    53 var len = bb.length;

    54 print("bb.length = " + len)

    55 for (var i = 0; i < len; i++) {

    56     bb[i] = i*i;

    57 }

    59 for (var i = 0; i < len; i++) {

    60     print(bb[i]);

    61 }

    63 // get underlying buffer by calling a method

    64 // on BufferArray magic object

    66 // 'buf' is a function member

    67 print(typeof bb.buf);

    68 var buf = bb.buf();

    70 // use retrieved underlying nio buffer

    71 var cap = buf.capacity();

    72 print("buf.capacity() = " + cap);

    73 for (var i = 0; i < cap; i++) {

    74    print(buf.get(i));

    75 }

Mercurial > jdk8-mips64-public > nashorn / file revision

samples/jsobject.js@2f1b9f4daec1

samples/jsobject.js