Mercurial > jdk8-mips64-public > nashorn / file comparison
comparison: docs/source/javaarray.js
docs/source/javaarray.js
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- c54e218333be
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| 1 /* | |
| 2 * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved. | |
| 3 * | |
| 4 * Redistribution and use in source and binary forms, with or without | |
| 5 * modification, are permitted provided that the following conditions | |
| 6 * are met: | |
| 7 * | |
| 8 * - Redistributions of source code must retain the above copyright | |
| 9 * notice, this list of conditions and the following disclaimer. | |
| 10 * | |
| 11 * - Redistributions in binary form must reproduce the above copyright | |
| 12 * notice, this list of conditions and the following disclaimer in the | |
| 13 * documentation and/or other materials provided with the distribution. | |
| 14 * | |
| 15 * - Neither the name of Oracle nor the names of its | |
| 16 * contributors may be used to endorse or promote products derived | |
| 17 * from this software without specific prior written permission. | |
| 18 * | |
| 19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS | |
| 20 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, | |
| 21 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
| 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR | |
| 23 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | |
| 24 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | |
| 25 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | |
| 26 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF | |
| 27 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING | |
| 28 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS | |
| 29 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 30 */ | |
| 31 | |
| 32 // create Java String array of 5 elements | |
| 33 var a = java.lang.reflect.Array.newInstance(java.lang.String.class, 5); | |
| 34 | |
| 35 // Accessing elements and length access is by usual Java syntax | |
| 36 a[0] = "scripting is great!"; | |
| 37 print(a.length); | |
| 38 print(a[0]); | |
| 39 | |
| 40 // convert a script array to Java array | |
| 41 var anArray = [1, "13", false]; | |
| 42 var javaIntArray = Java.toJavaArray(anArray, "int"); | |
| 43 print(javaIntArray[0]);// prints 1 | |
| 44 print(javaIntArray[1]); // prints 13, as string "13" was converted to number 13 as per ECMAScript ToNumber conversion | |
| 45 print(javaIntArray[2]);// prints 0, as boolean false was converted to number 0 as per ECMAScript ToNumber conversion | |
| 46 | |
| 47 // convert a Java array to a JavaScript array | |
| 48 var File = Java.type("java.io.File"); | |
| 49 var listCurDir = new File(".").listFiles(); | |
| 50 var jsList = Java.toJavaScriptArray(listCurDir); | |
| 51 print(jsList); |
