8148457: Remove jdk.nashorn.tools.FXShell class
Reviewed-by: sundar, jlaskey, mhaupt
--- a/nashorn/tools/fxshell/jdk/nashorn/tools/FXShell.java Thu Jun 02 21:14:32 2016 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,191 +0,0 @@
-/*
- * Copyright (c) 2010, 2016, Oracle and/or its affiliates. All rights reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation. Oracle designates this
- * particular file as subject to the "Classpath" exception as provided
- * by Oracle in the LICENSE file that accompanied this code.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- */
-
-package jdk.nashorn.tools;
-
-import java.io.FileInputStream;
-import java.io.FileNotFoundException;
-import java.io.InputStreamReader;
-import java.io.UnsupportedEncodingException;
-import java.util.ArrayList;
-import java.util.List;
-import java.util.Map;
-import javafx.application.Application;
-import javafx.stage.Stage;
-import javax.script.Invocable;
-import javax.script.ScriptEngine;
-import javax.script.ScriptEngineFactory;
-import javax.script.ScriptEngineManager;
-import javax.script.ScriptException;
-import jdk.nashorn.api.scripting.NashornScriptEngineFactory;
-
-/**
- * This shell is designed to launch a JavaFX application written in Nashorn JavaScript.
- */
-public class FXShell extends Application {
- /**
- * Script engine manager to search.
- */
- private ScriptEngineManager manager;
- /**
- * Nashorn script engine factory.
- */
- private NashornScriptEngineFactory factory;
- /**
- * Main instance of Nashorn script engine.
- */
- private ScriptEngine engine;
-
- /**
- * Needed so that the FX launcher can create an instance of this class.
- */
- public FXShell() {
- }
-
- /**
- * Main entry point. Never actually used.
- * @param args Command lien arguments.
- */
- public static void main(String[] args) {
- launch(args);
- }
-
- /*
- * Application overrides.
- */
-
- @Override
- public void init() throws Exception {
- // Script engine manager to search.
- this.manager = new ScriptEngineManager();
-
- // Locate the Nashorn script engine factory. Needed for passing arguments.
- for (ScriptEngineFactory engineFactory : this.manager.getEngineFactories()) {
- if (engineFactory.getEngineName().equals("Oracle Nashorn") && engineFactory instanceof NashornScriptEngineFactory) {
- this.factory = (NashornScriptEngineFactory)engineFactory;
- }
- }
-
- // If none located.
- if (this.factory == null) {
- System.err.println("Nashorn script engine not available");
- System.exit(1);
- }
-
- // Get the command line and JNLP parameters.
- final Parameters parameters = getParameters();
-
- // To collect the script paths and command line arguments.
- final List<String> paths = new ArrayList<>();
- final List<String> args = new ArrayList<>();
-
- // Pull out relevant JNLP named parameters.
- final Map<String, String> named = parameters.getNamed();
- for (Map.Entry<String, String> entry : named.entrySet()) {
- final String key = entry.getKey();
- final String value = entry.getValue();
-
- if ((key.equals("cp") || key.equals("classpath")) && value != null) {
- args.add("-classpath");
- args.add(value);
- } else if (key.equals("source") && value != null && value.toLowerCase().endsWith(".js")) {
- paths.add(value);
- }
- }
-
- // Pull out relevant command line arguments.
- boolean addNextArg = false;
- boolean addAllArgs = false;
- for (String parameter : parameters.getUnnamed()) {
- if (addAllArgs || addNextArg) {
- args.add(parameter);
- addNextArg = false;
- } else if (parameter.equals("--")) {
- args.add(parameter);
- addAllArgs = true;
- } else if (parameter.startsWith("-")) {
- args.add(parameter);
- addNextArg = parameter.equals("-cp") || parameter.equals("-classpath");
- } else if (parameter.toLowerCase().endsWith(".js")) {
- paths.add(parameter);
- }
- }
-
- // Create a Nashorn script engine with specified arguments.
- engine = factory.getScriptEngine(args.toArray(new String[0]));
-
- // Load initial scripts.
- for (String path : paths) {
- load(path);
- }
-
- // Invoke users JavaScript init function if present.
- try {
- ((Invocable) engine).invokeFunction("init");
- } catch (NoSuchMethodException ex) {
- // Presence of init is optional.
- }
- }
-
- @Override
- public void start(Stage stage) throws Exception {
- // Invoke users JavaScript start function if present.
- try {
- ((Invocable) engine).invokeFunction("start", stage);
- } catch (NoSuchMethodException ex) {
- // Presence of start is optional.
- }
- }
-
- @Override
- public void stop() throws Exception {
- // Invoke users JavaScript stop function if present.
- try {
- ((Invocable) engine).invokeFunction("stop");
- } catch (NoSuchMethodException ex) {
- // Presence of stop is optional.
- }
- }
-
- /**
- * Load and evaluate the specified JavaScript file.
- *
- * @param path Path to UTF-8 encoded JavaScript file.
- *
- * @return Last evaluation result (discarded.)
- */
- @SuppressWarnings("resource")
- private Object load(String path) {
- try {
- FileInputStream file = new FileInputStream(path);
- InputStreamReader input = new InputStreamReader(file, "UTF-8");
- return engine.eval(input);
- } catch (FileNotFoundException | UnsupportedEncodingException | ScriptException ex) {
- ex.printStackTrace();
- }
-
- return null;
- }
-}