author | amurillo |
Mon, 08 Aug 2016 08:12:20 -0700 | |
changeset 40205 | 12384fff105a |
parent 26067 | b32ccc3a76c9 |
permissions | -rw-r--r-- |
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#// Usage: jjs -scripting -cp . jsobject.js |
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/* |
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* Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* |
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* - Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* |
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* - Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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8055199: Tidy up Nashorn codebase for code standards (August 2014)
attila
parents:
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changeset
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* |
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* - Neither the name of Oracle nor the names of its |
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* contributors may be used to endorse or promote products derived |
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* from this software without specific prior written permission. |
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8055199: Tidy up Nashorn codebase for code standards (August 2014)
attila
parents:
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changeset
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* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS |
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* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, |
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR |
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF |
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING |
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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*/ |
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// This sample demonstrats how to expose a |
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// script friendly object from your java code |
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// by implementing jdk.nashorn.api.scripting.JSObject |
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// compile the java program |
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`javac BufferArray.java`; |
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// print error, if any and exit |
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if ($ERR != '') { |
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print($ERR); |
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exit($EXIT); |
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} |
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// create BufferArray |
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var BufferArray = Java.type("BufferArray"); |
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var bb = new BufferArray(10); |
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// 'magic' methods called to retrieve set/get |
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// properties on BufferArray instance |
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var len = bb.length; |
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print("bb.length = " + len) |
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for (var i = 0; i < len; i++) { |
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bb[i] = i*i; |
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} |
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for (var i = 0; i < len; i++) { |
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print(bb[i]); |
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} |
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// get underlying buffer by calling a method |
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// on BufferArray magic object |
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// 'buf' is a function member |
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print(typeof bb.buf); |
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var buf = bb.buf(); |
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// use retrieved underlying nio buffer |
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var cap = buf.capacity(); |
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print("buf.capacity() = " + cap); |
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for (var i = 0; i < cap; i++) { |
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print(buf.get(i)); |
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} |