https://github.com/samuelnovaes/js2jar
Compile Nashorn script to Java application
https://github.com/samuelnovaes/js2jar
Last synced: about 1 month ago
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Compile Nashorn script to Java application
- Host: GitHub
- URL: https://github.com/samuelnovaes/js2jar
- Owner: samuelnovaes
- License: bsd-3-clause
- Created: 2017-01-26T08:52:02.000Z (over 8 years ago)
- Default Branch: master
- Last Pushed: 2017-11-24T05:16:29.000Z (over 7 years ago)
- Last Synced: 2025-03-28T18:12:39.910Z (about 2 months ago)
- Language: JavaScript
- Size: 21.5 KB
- Stars: 4
- Watchers: 2
- Forks: 1
- Open Issues: 0
-
Metadata Files:
- Readme: README.md
- License: LICENSE
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README
# JS2Jar
Compile Nashorn script to Java application
# Install
1. Install dependencies
- [Node.js](https://nodejs.org/en/download/)
- [JDK 8](http://www.oracle.com/technetwork/pt/java/javase/downloads/jdk8-downloads-2133151.html)
2. Install JS2Jar
```sh
npm install -g js2jar
```
# Usage
Create an app
```sh
js2jar create myApp
```
Build and run the app
```sh
cd path/to/myApp
js2jar build
```
or
```sh
js2jar build path/to/myApp
```
It will build the application in the build directory
# Project structure
```javascript
myApp
|---build
| |---lib //.jar libraries
| └---media //Media files like images, sounds, videos
└---src
└---main.js //Main script file
```
# Example
```javascript
myApp
|---build
| |---lib
| | └---mylib.jar
| └---media
| └---mypic.jpg
└---src
|---main.js
└---foo.js
```
foo.js
```javascript
print("Hello! I am foo.js")
```
main.js
```javascript
load("foo.js")
var JFrame = Java.type("javax.swing.JFrame");
var JPanel = Java.type("javax.swing.JPanel");
var JButton = Java.type("javax.swing.JButton");
var JLabel = Java.type("javax.swing.JLabel");
var ImageIcon = Java.type("javax.swing.ImageIcon");
var MyLib = Java.type("com.mylib.MyClass");
var win = new JFrame("My Window");
win.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
win.setSize(400, 400);
var panel = new JPanel();
win.add(panel);
var picLabel = new JLabel(new ImageIcon("media/mypic.jpg"));
panel.add(picLabel);
win.setVisible(true);
```
# See more about [Nashorn](http://winterbe.com/posts/2014/04/05/java8-nashorn-tutorial/)