| /* |
| * Copyright (c) 2006, 2013, 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. |
| */ |
| |
| /* |
| * This source code is provided to illustrate the usage of a given feature |
| * or technique and has been deliberately simplified. Additional steps |
| * required for a production-quality application, such as security checks, |
| * input validation and proper error handling, might not be present in |
| * this sample code. |
| */ |
| |
| |
| package com.sun.sample.scriptpad; |
| |
| import javax.script.*; |
| import java.io.*; |
| |
| /** |
| * This is the entry point of "Scriptpad" sample. This class creates |
| * ScriptEngine and evaluates few JavaScript "files" -- which are stored |
| * as resources (please refer to src/resources/*.js). Actual code for the |
| * scriptpad's main functionality lives in these JavaScript files. |
| */ |
| public class Main { |
| public static void main(String[] args) throws Exception { |
| |
| // create a ScriptEngineManager |
| ScriptEngineManager m = new ScriptEngineManager(); |
| // get an instance of JavaScript script engine |
| ScriptEngine engine = m.getEngineByName("js"); |
| |
| // expose the current script engine as a global variable |
| engine.put("engine", engine); |
| |
| // evaluate few scripts that are bundled in "resources" |
| eval(engine, "conc.js"); |
| eval(engine, "gui.js"); |
| eval(engine, "scriptpad.js"); |
| eval(engine, "mm.js"); |
| } |
| |
| private static void eval(ScriptEngine engine, String name) |
| throws Exception { |
| /* |
| * This class is compiled into a jar file. The jar file |
| * contains few scripts under /resources URL. |
| */ |
| InputStream is = Main.class.getResourceAsStream("/resources/" + name); |
| // current script file name for better error messages |
| engine.put(ScriptEngine.FILENAME, name); |
| // evaluate the script in the InputStream |
| engine.eval(new InputStreamReader(is)); |
| } |
| } |