jdk8-mips64-public/nashorn: samples/showsysprops.js@2f1b9f4daec1 (annotated)

samples/showsysprops.js@2f1b9f4daec1 (annotated)

samples/showsysprops.js

Fri, 05 Jun 2015 12:38:53 +0200

author: mhaupt
date: Fri, 05 Jun 2015 12:38:53 +0200
changeset 1398: 2f1b9f4daec1
parent 1241: cbc1fc667d77
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

 #// Usage: jjs -fx showsysprops.js
 /*
  * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  *   - Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  *
  *   - Redistributions in binary form must reproduce the above copyright
  *     notice, this list of conditions and the following disclaimer in the
  *     documentation and/or other materials provided with the distribution.
  *
  *   - Neither the name of Oracle nor the names of its
  *     contributors may be used to endorse or promote products derived
  *     from this software without specific prior written permission.
  *
  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
  * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 if (!$OPTIONS._fx) {
     print("Usage: jjs -fx showsysprops.js");
     exit(1);
 }
 // This script displays System properties as a HTML table.
 // Demonstrates heredoc to generate HTML content and display
 // using JavaFX WebView.
 // JavaFX, Java classes used
 var Scene     = Java.type("javafx.scene.Scene");
 var System    = Java.type("java.lang.System");
 var WebView   = Java.type("javafx.scene.web.WebView");
 // JavaFX start method
 function start(stage) {
     start.title = "Your System Properties";
     var wv = new WebView();
     var sysproprows = "";
     var sysprops = System.properties;
     for (var i in sysprops) {
         sysproprows += <<TBL
 <tr>
 <td>
 ${i}
 </td>
 <td>
 ${sysprops[i]}
 </td>
 </tr>
 TBL
     }
     wv.engine.loadContent(<<EOF
 <html>
 <head>
 <title>
 Your System Properties
 </title>
 </head>
 <body>
 <h1>Your System Properties</h1>
 <table border="1">
 ${sysproprows}
 </table>
 </body>
 </html>
 EOF, "text/html");
     stage.scene = new Scene(wv, 750, 500);
     stage.show();
 }