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8007452: add scripting programmers doc changes for nashorn

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Reviewed-by: jlaskey, hannesw
This commit is contained in:
Athijegannathan Sundararajan 2013-02-05 09:11:03 +05:30
parent 233a9042cf
commit 31aa060b11
19 changed files with 1567 additions and 2 deletions
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nashorn/docs/source/javaarray.js Normal file
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@ -0,0 +1,51 @@
/*
* Copyright (c) 2010, 2013, 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.
*/
// create Java String array of 5 elements
var a = java.lang.reflect.Array.newInstance(java.lang.String.class, 5);
// Accessing elements and length access is by usual Java syntax
a[0] = "scripting is great!";
print(a.length);
print(a[0]);
// convert a script array to Java array
var anArray = [1, "13", false];
var javaIntArray = Java.toJavaArray(anArray, "int");
print(javaIntArray[0]);// prints 1
print(javaIntArray[1]); // prints 13, as string "13" was converted to number 13 as per ECMAScript ToNumber conversion
print(javaIntArray[2]);// prints 0, as boolean false was converted to number 0 as per ECMAScript ToNumber conversion
// convert a Java array to a JavaScript array
var File = Java.type("java.io.File");
var listCurDir = new File(".").listFiles();
var jsList = Java.toJavaScriptArray(listCurDir);
print(jsList);