https://github.com/jphp-group/jphp-cglib-ext
https://github.com/jphp-group/jphp-cglib-ext
Last synced: 8 months ago
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- Host: GitHub
- URL: https://github.com/jphp-group/jphp-cglib-ext
- Owner: jphp-group
- Created: 2019-09-23T16:36:38.000Z (over 6 years ago)
- Default Branch: master
- Last Pushed: 2019-09-24T18:48:24.000Z (over 6 years ago)
- Last Synced: 2025-10-12T20:32:18.103Z (8 months ago)
- Language: Java
- Size: 2.93 KB
- Stars: 4
- Watchers: 1
- Forks: 1
- Open Issues: 0
-
Metadata Files:
- Readme: README.md
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README
# jphp-cglib-ext
> Code Generation Library, used to extend **java** classes and implements interfaces at runtime
## Example (Swing UI)
```php
getConstructor([ ReflectionClass::forName("java.lang.String") ])->newInstance([ "Test!" ]); // get new java class instance from construcor
// getting setDefaultCloseOperation method & invoke it
$frame_class->getMethod("setDefaultCloseOperation", [ ReflectionTypes::typeInt() ])->invoke($frame, [ $frame_class->getField("EXIT_ON_CLOSE")->get($frame) ]);
// ...
$frame_class->getMethod("setSize", [
ReflectionTypes::typeInt(), // getting ReflectionClass for int (int.class)
ReflectionTypes::typeInt()
])->invoke($frame, [
ReflectionTypes::toInt(300), // cast jPHP float to ReflectionObject(int)
ReflectionTypes::toInt(300)
]);
$pane = $frame_class->getMethod("getContentPane", [])->invoke($frame, []); // getting ReflectionObject(java.awt.Container)
$pane_class = ReflectionClass::forName("java.awt.Container"); // ReflectionClass for java.awt.Container
$button_class = ReflectionClass::forName("javax.swing.JButton");
$button = $button_class->getConstructor([ ReflectionClass::forName("java.lang.String") ])->newInstance([ "Test swing button!" ]);
// create callback
$callback_class = ReflectionClass::forName("java.awt.event.ActionListener");
$callback = Enhancer::createWithInterfaces(ReflectionClass::forName("java.lang.Object"), [ $callback_class ], function ($obj, $method, $args) {
if ($method->getName() == "actionPerformed") {
echo "Cool!\n";
return null;
}
return $method->invoke($obj, $args);
});
$button_class->getMethod("addActionListener", [ $callback_class ])->invoke($button, [ $callback ]);
$pane_class->getMethod("add", [ ReflectionClass::forName("java.awt.Component") ])->invoke($pane, [ $button ]); // ReflectionObject casts to java.lang.Object
$frame_class->getMethod("setVisible", [ ReflectionTypes::typeBool() ])->invoke($frame, [ true ]);
```