1 #// Usage: jjs -fx showsysprops.js
   2 
   3 /*
   4  * Copyright (c) 2015, 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  */
  33 
  34 if (!$OPTIONS._fx) {
  35     print("Usage: jjs -fx showsysprops.js");
  36     exit(1);
  37 }
  38 
  39 // This script displays System properties as a HTML table.
  40 // Demonstrates heredoc to generate HTML content and display
  41 // using JavaFX WebView.
  42 
  43 // JavaFX, Java classes used
  44 var Scene     = Java.type("javafx.scene.Scene");
  45 var System    = Java.type("java.lang.System");
  46 var WebView   = Java.type("javafx.scene.web.WebView");
  47 
  48 // JavaFX start method
  49 function start(stage) {
  50     stage.title = "Your System Properties";
  51     var wv = new WebView();
  52     var sysproprows = "";
  53     var sysprops = System.properties;
  54     for (var i in sysprops) {
  55         sysproprows += <<TBL
  56 <tr>
  57 <td>
  58 ${i}
  59 </td>
  60 <td>
  61 ${sysprops[i]}
  62 </td>
  63 </tr>
  64 TBL
  65     }
  66 
  67     wv.engine.loadContent(<<EOF
  68 <html>
  69 <head>
  70 <title>
  71 Your System Properties
  72 </title>
  73 </head>
  74 <body>
  75 <h1>Your System Properties</h1>
  76 <table border="1">
  77 ${sysproprows}
  78 </table>
  79 </body>
  80 </html>
  81 EOF, "text/html");
  82     stage.scene = new Scene(wv, 750, 500);
  83     stage.show();
  84 }