| #jjs -fx xmlviewer.js [-- <url-of-xml-doc>] |
| |
| /* |
| * 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. |
| */ |
| |
| if (! $OPTIONS._fx) { |
| print("Usage: jjs -fx xmlviewer.js [-- <url-of-xml-doc>]"); |
| exit(1); |
| } |
| |
| // Using JavaFX from Nashorn. See also: |
| // http://docs.oracle.com/javase/8/docs/technotes/guides/scripting/nashorn/javafx.html |
| |
| // Simple sample to view a XML document as a JavaFX tree. |
| |
| // JavaFX classes used |
| var StackPane = Java.type("javafx.scene.layout.StackPane"); |
| var Scene = Java.type("javafx.scene.Scene"); |
| var TreeItem = Java.type("javafx.scene.control.TreeItem"); |
| var TreeView = Java.type("javafx.scene.control.TreeView"); |
| |
| // XML DocumentBuilderFactory |
| var DocBuilderFac = Java.type("javax.xml.parsers.DocumentBuilderFactory"); |
| var Attr = Java.type("org.w3c.dom.Attr"); |
| var Element = Java.type("org.w3c.dom.Element"); |
| var Text = Java.type("org.w3c.dom.Text"); |
| |
| // parse XML from uri and return Document |
| function parseXML(uri) { |
| var docBuilder = DocBuilderFac.newInstance().newDocumentBuilder(); |
| docBuilder.validating = false; |
| return docBuilder["parse(java.lang.String)"](uri); |
| } |
| |
| // Create a javafx TreeItem to view a XML element |
| function treeItemForObject(element, name) { |
| var item = new TreeItem(name); |
| item.expanded = true; |
| var attrs = element.attributes; |
| var numAttrs = attrs.length; |
| for (var a = 0; a < numAttrs; a++) { |
| var attr = attrs.item(a); |
| var subitem = new TreeItem(attr.name + " = " + attr.value); |
| item.children.add(subitem); |
| } |
| |
| var childNodes = element.childNodes; |
| var numNodes = childNodes.length; |
| for (var n = 0; n < numNodes; n++) { |
| var node = childNodes.item(n); |
| if (node instanceof Element) { |
| var subitem = treeItemForObject(node, node.tagName); |
| item.children.add(subitem); |
| } |
| } |
| |
| return item; |
| } |
| |
| // Ofcourse, the best default URL is cricket score :) |
| var DEFAULT_URL = "http://synd.cricbuzz.com/j2me/1.0/livematches.xml"; |
| |
| var url = arguments.length == 0? DEFAULT_URL : arguments[0]; |
| var element = parseXML(url).getDocumentElement(); |
| |
| // JavaFX start method |
| function start(stage) { |
| stage.title = "XML Viewer: " + url; |
| var rootItem = treeItemForObject(element, element.tagName); |
| var tree = new TreeView(rootItem); |
| var root = new StackPane(); |
| root.children.add(tree); |
| stage.scene = new Scene(root, 300, 450); |
| stage.show(); |
| } |