jdk8-mips64-public/nashorn: samples/weather.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 weather.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 // Simple nashorn example showing back-quote exec process,

    35 // JSON and Java8 streams

    37 var Arrays = Java.type("java.util.Arrays");

    39 // use curl to download JSON weather data from the net

    40 // use backquote -scripting mode syntax to exec a process

    42 `curl http://api.openweathermap.org/data/2.5/forecast/daily?q=Chennai&amp;mode=json&amp;units=metric&amp;cnt=7`;

    44 // parse JSON

    45 var weather = JSON.parse($OUT);

    47 // pull out humidity as array

    48 var humidity = weather.list.map(function(curVal) {

    49     return curVal.humidity;

    50 })

    52 // Stream API to print stat

    53 print("Humidity");

    54 print(Arrays["stream(int[])"](humidity).summaryStatistics());

    56 // pull maximum day time temperature

    57 var temp = weather.list.map(function(curVal) {

    58     return curVal.temp.max;

    59 });

    61 // Stream API to print stat

    62 print("Max Temperature");

    63 print(Arrays["stream(double[])"](temp).summaryStatistics());

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

samples/weather.js@2f1b9f4daec1

samples/weather.js