1 /* 2 * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 8 * - Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 11 * - Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * - Neither the name of Oracle nor the names of its 16 * contributors may be used to endorse or promote products derived 17 * from this software without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS 20 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 21 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 23 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 24 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 25 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 26 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 27 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 28 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 29 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 // bind on a Java constructor 33 34 // See Function.prototype.bind: 35 // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Function/bind 36 var bind = Function.prototype.bind; 37 38 var URL = Java.type("java.net.URL"); 39 40 // get the constructor that accepts URL, String parameters. 41 // constructor signatures are properties of type object. 42 var newURL = URL["(URL, String)"]; 43 44 // bind "context" URL parameter. 45 var TwitterURL = bind.call(newURL, null, new URL('https://www.twitter.com')); 46 47 // now you can create context relative URLs using the bound constructor 48 print(new TwitterURL("sundararajan_a")); 49 50 // read the URL content and print (optional part) 51 52 var BufferedReader = Java.type("java.io.BufferedReader"); 53 var InputStreamReader = Java.type("java.io.InputStreamReader"); 54 55 // function to retrieve text content of the given URL 56 function readTextFromURL(url) { 57 var str = ''; 58 var u = new URL(url); 59 var reader = new BufferedReader( 60 new InputStreamReader(u.openStream())); 61 try { 62 reader.lines().forEach(function(x) str += x); 63 return str; 64 } finally { 65 reader.close(); 66 } 67 } 68 69 print(readTextFromURL(new TwitterURL("sundararajan_a")));