--- old/src/sample/nashorn/jsadapter_dom.js	2020-04-15 18:54:11.000000000 +0530
+++ /dev/null	2020-04-15 18:54:11.000000000 +0530
@@ -1,189 +0,0 @@
-#// Usage: jjs -scripting jsadapter_dom.js
-
-/*
- * Copyright (c) 2014, 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.
- */
-
-// Simple example that demonstrates reading XML Rss feed
-// to generate a HTML file from script and show it by browser
-// Uses XML DOM parser and DOM element wrapped by script
-// "proxy" (JSAdapter constructor)
-
-// Java classes used
-var DocBuilderFac = Java.type("javax.xml.parsers.DocumentBuilderFactory");
-var Node = Java.type("org.w3c.dom.Node");
-var File = Java.type("java.io.File");
-var FileWriter = Java.type("java.io.FileWriter");
-var PrintWriter = Java.type("java.io.PrintWriter");
-
-// constants from Node class
-var ELEMENT_NODE = Node.ELEMENT_NODE;
-var TEXT_NODE = Node.TEXT_NODE;
-
-// parse XML from uri and return Document
-function parseXML(uri) {
-    var docBuilder = DocBuilderFac.newInstance().newDocumentBuilder();
-    return docBuilder["parse(java.lang.String)"](uri);
-}
-
-// get child Elements of given name of the parent element given
-function getChildElements(elem, name) {
-    var nodeList = elem.childNodes;
-    var childElems = [];
-    var len = nodeList.length;
-    for (var i = 0; i < len; i++) {
-        var node = nodeList.item(i);
-        if (node.nodeType == ELEMENT_NODE &&
-            node.tagName == name) {
-            childElems.push(wrapElement(node));
-        }
-    }
-
-    return childElems;
-}
-
-// get concatenated child text content of an Element
-function getElemText(elem) {
-    var nodeList = elem.childNodes;
-    var len = nodeList.length;
-    var text = '';
-    for (var i = 0; i < len; i++) {
-        var node = nodeList.item(i);
-        if (node.nodeType == TEXT_NODE) {
-            text += node.nodeValue;
-        }
-    }
-
-    return text;
-}
-
-// Wrap DOM Element object as a convenient script object
-// using JSAdapter. JSAdapter is like java.lang.reflect.Proxy
-// in that it allows property access, method calls be trapped
-// by 'magic' methods like __get__, __call__.
-function wrapElement(elem) {
-    if (! elem) {
-        return elem;
-    }
-    return new JSAdapter() {
-        // getter to expose child elements and attributes by name
-        __get__: function(name) {
-            if (typeof name == 'string') {
-                if (name.startsWith('@')) {
-                    var attr = elem.getAttributeNode(name.substring(1));
-                    return !attr? undefined : attr.value;
-                }
-
-                var arr = getChildElements(elem, name);
-                if (arr.length == 1) {
-                    // single child element, expose as single element
-                    return arr[0];
-                } else {
-                    // multiple children of given name, expose as array
-                    return arr;
-                }
-            }
-            return undefined;
-        },
-
-        __call__: function(name) {
-            // toString override to get text content of this Element
-            if (name == 'toString' || name == 'valueOf') {
-                return getElemText(elem);
-            }
-            return undefined;
-        }
-    }
-}
-
-// generate HTML using here-doc and string interpolation
-function getBooksHtml() {
-    var doc = parseXML("http://www.gutenberg.org/cache/epub/feeds/today.rss");
-    // wrap document root Element as script convenient object
-    var rss = wrapElement(doc.documentElement);
-    print("rss file version " + rss['@version']);
-
-    var str = <<HEAD
-
-<html>
-<title>${rss.channel.title}</title>
-<body>
-<h1>${rss.channel.description}</h1>
-<p>
-Published on ${rss.channel.pubDate}
-</p>
-
-HEAD
-
-    var items = rss.channel.item;
-    for each (var i in items) {
-        str += <<LIST
-
-<dl>
-<dt><a href="${i.link}">${i.title}</a></dt>
-<dd>${i.description}</dd>
-</dl>
-
-LIST
-    }
-    str += <<END
-
-</body>
-</html>
-
-END
-    return str;
-}
-
-// write the string to the given file
-function writeTo(file, str) {
-    var w = new PrintWriter(new FileWriter(file));
-    try {
-        w.print(str);
-    } finally {
-        w.close();
-    }
-}
-
-// generate books HTML
-var str = getBooksHtml();
-
-// write to file. __DIR__ is directory where
-// this script is stored.
-var file = new File(__DIR__ + "books.html");
-writeTo(file, str);
-
-// show it by desktop browser
-try {
-    var Desktop = Java.type("java.awt.Desktop");
-    Desktop.desktop.browse(file.toURI());
-} catch (e) {
-    print(e);
-}