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
36var bind = Function.prototype.bind;
37
38var URL = Java.type("java.net.URL");
39
40// get the constructor that accepts URL, String parameters.
41// constructor signatures are properties of type object.
42var newURL = URL["(URL, String)"];
43
44// bind "context" URL parameter.
45var TwitterURL = bind.call(newURL, null, new URL('https://www.twitter.com'));
46
47// now you can create context relative URLs using the bound constructor
48print(new TwitterURL("sundararajan_a"));
49
50// read the URL content and print (optional part)
51
52var BufferedReader = Java.type("java.io.BufferedReader");
53var InputStreamReader = Java.type("java.io.InputStreamReader");
54
55// function to retrieve text content of the given URL
56function 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
69print(readTextFromURL(new TwitterURL("sundararajan_a")));
70