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

 #// usage: jjs -scripting weather.js

 /*

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 // Simple nashorn example showing back-quote exec process,

 // JSON and Java8 streams

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

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

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

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

 // parse JSON

 var weather = JSON.parse($OUT);

 // pull out humidity as array

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

     return curVal.humidity;

 })

 // Stream API to print stat

 print("Humidity");

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

 // pull maximum day time temperature

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

     return curVal.temp.max;

 });

 // Stream API to print stat

 print("Max Temperature");

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