Mercurial > jdk8-mips64-public > nashorn / annotate
samples/javaimporter.js@2f1b9f4daec1 (annotated)
samples/javaimporter.js
Fri, 05 Jun 2015 12:38:53 +0200
- author
- mhaupt
- date
- Fri, 05 Jun 2015 12:38:53 +0200
- changeset 1398
- 2f1b9f4daec1
- parent 962
- ac62e33a99b0
- permissions
- -rw-r--r--
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
| aoqi@0 | 1 | /* |
| aoqi@0 | 2 | * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. |
| attila@962 | 3 | * |
| aoqi@0 | 4 | * Redistribution and use in source and binary forms, with or without |
| aoqi@0 | 5 | * modification, are permitted provided that the following conditions |
| aoqi@0 | 6 | * are met: |
| attila@962 | 7 | * |
| aoqi@0 | 8 | * - Redistributions of source code must retain the above copyright |
| aoqi@0 | 9 | * notice, this list of conditions and the following disclaimer. |
| attila@962 | 10 | * |
| aoqi@0 | 11 | * - Redistributions in binary form must reproduce the above copyright |
| aoqi@0 | 12 | * notice, this list of conditions and the following disclaimer in the |
| aoqi@0 | 13 | * documentation and/or other materials provided with the distribution. |
| attila@962 | 14 | * |
| aoqi@0 | 15 | * - Neither the name of Oracle nor the names of its |
| aoqi@0 | 16 | * contributors may be used to endorse or promote products derived |
| aoqi@0 | 17 | * from this software without specific prior written permission. |
| attila@962 | 18 | * |
| aoqi@0 | 19 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS |
| aoqi@0 | 20 | * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, |
| aoqi@0 | 21 | * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| aoqi@0 | 22 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR |
| aoqi@0 | 23 | * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| aoqi@0 | 24 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| aoqi@0 | 25 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| aoqi@0 | 26 | * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF |
| aoqi@0 | 27 | * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING |
| aoqi@0 | 28 | * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
| aoqi@0 | 29 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| aoqi@0 | 30 | */ |
| aoqi@0 | 31 | |
| aoqi@0 | 32 | // JavaImporter along with 'with' statement helps in |
| aoqi@0 | 33 | // localized Java class references |
| aoqi@0 | 34 | |
| aoqi@0 | 35 | function readTextFromURL(url) { |
| aoqi@0 | 36 | |
| attila@962 | 37 | // equivalent to |
| attila@962 | 38 | // |
| aoqi@0 | 39 | // import java.io.*; |
| aoqi@0 | 40 | // import java.net.*; |
| aoqi@0 | 41 | // import java.lang.StringBuffer; |
| aoqi@0 | 42 | // |
| aoqi@0 | 43 | // only inside the 'with' statement |
| attila@962 | 44 | with (new JavaImporter(java.io, |
| aoqi@0 | 45 | java.net, |
| aoqi@0 | 46 | java.lang.StringBuilder)) { |
| aoqi@0 | 47 | var buf = new StringBuilder(); |
| aoqi@0 | 48 | var u = new URL(url); |
| aoqi@0 | 49 | var reader = new BufferedReader( |
| aoqi@0 | 50 | new InputStreamReader(u.openStream())); |
| aoqi@0 | 51 | var line = null; |
| aoqi@0 | 52 | try { |
| aoqi@0 | 53 | while ((line = reader.readLine()) != null) |
| aoqi@0 | 54 | buf.append(line).append('\n'); |
| aoqi@0 | 55 | } finally { |
| aoqi@0 | 56 | reader.close(); |
| aoqi@0 | 57 | } |
| aoqi@0 | 58 | |
| aoqi@0 | 59 | return buf.toString(); |
| aoqi@0 | 60 | } |
| aoqi@0 | 61 | } |
| aoqi@0 | 62 | |
| aoqi@0 | 63 | print(readTextFromURL("https://twitter.com/")); |
