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

 /*

  * 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

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  * 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.

  */

 // bind on a Java constructor

 // See Function.prototype.bind:

 // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Function/bind

 var bind = Function.prototype.bind;

 var URL = Java.type("java.net.URL");

 // get the constructor that accepts URL, String parameters.

 // constructor signatures are properties of type object.

 var newURL = URL["(URL, String)"];

 // bind "context" URL parameter.

 var TwitterURL = bind.call(newURL, null, new URL('https://www.twitter.com'));

 // now you can create context relative URLs using the bound constructor

 print(new TwitterURL("sundararajan_a"));

 // read the URL content and print (optional part)

 var BufferedReader = Java.type("java.io.BufferedReader");

 var InputStreamReader = Java.type("java.io.InputStreamReader");

 // function to retrieve text content of the given URL

 function readTextFromURL(url) {

     var str = '';

     var u = new URL(url);

     var reader = new BufferedReader(

         new InputStreamReader(u.openStream()));

     try {

         reader.lines().forEach(function(x) str += x);

         return str;

     } finally {

         reader.close();

     }

 }

 print(readTextFromURL(new TwitterURL("sundararajan_a")));