grunt-html-dev/lib/javadetect.js

Grunt plugin for html validation, using vnu.jar@dev for the actual validation

'use strict';

var exec = require( 'child_process' ).exec;

module.exports = function( callback ) {
  exec( 'java -version', function( error, _stdout, stderr ) {
    if ( error ) {
      return callback( error );
    }

    callback( null, {
      version: stderr.match( /(?:java|openjdk) version "(.*)"/ )[ 1 ],
      arch: stderr.match( /64-Bit/ ) ? 'x64' : 'ia32'
    } );
  } );
};