nashorn/samples/xmlviewer.js
changeset 29409 613987e37f79
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/nashorn/samples/xmlviewer.js	Wed Mar 11 14:30:40 2015 +0530
@@ -0,0 +1,103 @@
+#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();
+}