8148457: Remove jdk.nashorn.tools.FXShell class
authormhaupt
Fri, 03 Jun 2016 15:05:17 +0200
changeset 38811 04341c6c4bc7
parent 38810 f092b4fabfdb
child 38812 6155e509fca0
8148457: Remove jdk.nashorn.tools.FXShell class Reviewed-by: sundar, jlaskey, mhaupt
nashorn/tools/fxshell/jdk/nashorn/tools/FXShell.java
--- 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;
-    }
-}