jdk8-mips64-public/nashorn: samples/javaconstructorbind.js@6a43a158f561 (annotated)

samples/javaconstructorbind.js@6a43a158f561 (annotated)

samples/javaconstructorbind.js

Wed, 23 Mar 2016 14:27:50 -0700

author: asaha
date: Wed, 23 Mar 2016 14:27:50 -0700
changeset 1861: 6a43a158f561
parent 1511: c6e9453ed5ef
permissions: -rw-r--r--

Added tag jdk8u101-b00 for changeset 16d657d6cb22

 /*
  * 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.
  */
 // 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")));