vm/src/main/java/org/apidesign/vm4brwsr/Main.java
author Jaroslav Tulach <jaroslav.tulach@apidesign.org>
Tue, 11 Dec 2012 09:36:44 +0100
branchlazyvm
changeset 298 885acca2fa0b
parent 162 70e7710a65dc
child 317 15cbc8cb2163
permissions -rw-r--r--
Creating Bck2Brwsr entrypoint to for those who wish to generate their JavaScript based Java VM
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/**
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 * Back 2 Browser Bytecode Translator
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 * Copyright (C) 2012 Jaroslav Tulach <jaroslav.tulach@apidesign.org>
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 *
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 * This program is free software: you can redistribute it and/or modify
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 * it under the terms of the GNU General Public License as published by
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 * the Free Software Foundation, version 2 of the License.
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 *
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 * This program is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 * GNU General Public License for more details.
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 *
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 * You should have received a copy of the GNU General Public License
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 * along with this program. Look for COPYING file in the top folder.
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 * If not, see http://opensource.org/licenses/GPL-2.0.
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 */
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package org.apidesign.vm4brwsr;
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import java.io.BufferedWriter;
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import java.io.FileWriter;
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import java.io.IOException;
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import java.io.Writer;
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/** Generator of JavaScript from bytecode of classes on classpath of the VM
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 * with a Main method.
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 *
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 * @author Jaroslav Tulach <jtulach@netbeans.org>
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 */
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final class Main {
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    private Main() {}
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    public static void main(String... args) throws IOException {
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        if (args.length < 2) {
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            System.err.println("Bck2Brwsr Translator from Java(tm) to JavaScript, (c) Jaroslav Tulach 2012");
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            System.err.println("Usage: java -cp ... -jar ... <file_to_generate_js_code_to> java/lang/Class org/your/App ...");
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            return;
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        }
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        Writer w = new BufferedWriter(new FileWriter(args[0]));
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        StringArray classes = StringArray.asList(args);
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        classes.delete(0);
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        Bck2Brwsr.generate(w, Main.class.getClassLoader(), classes.toArray());
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        w.close();
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    }
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}