require.js 与 rhino 配合良好。最近，我在一个项目中使用了它。
- 你必须确保使用r.js（不是 require.js），针对 rhino 的 require.js 的修改版本。
- 你必须延长
ScritableObject要实现的类load and print功能。你打电话时require(["a"])，该类中的load函数将被调用，您可以调整该函数以从任何位置加载js文件。在下面的示例中，我加载自classpath.
- 您必须定义属性
arguments在共享范围中，如下面的示例代码所示
- 或者，您可以使用配置子路径
require.config，指定js文件所在classpath内的子目录。
Js运行时支持
public class JsRuntimeSupport extends ScriptableObject {
private static final long serialVersionUID = 1L;
private static Logger logger = Logger.getLogger(JsRuntimeSupport.class);
private static final boolean silent = false;
@Override
public String getClassName() {
return "test";
}
public static void print(Context cx, Scriptable thisObj, Object[] args,
Function funObj) {
if (silent)
return;
for (int i = 0; i < args.length; i++)
logger.info(Context.toString(args[i]));
}
public static void load(Context cx, Scriptable thisObj, Object[] args,
Function funObj) throws FileNotFoundException, IOException {
JsRuntimeSupport shell = (JsRuntimeSupport) getTopLevelScope(thisObj);
for (int i = 0; i < args.length; i++) {
logger.info("Loading file " + Context.toString(args[i]));
shell.processSource(cx, Context.toString(args[i]));
}
}
private void processSource(Context cx, String filename)
throws FileNotFoundException, IOException {
cx.evaluateReader(this, new InputStreamReader(getInputStream(filename)), filename, 1, null);
}
private InputStream getInputStream(String file) throws IOException {
return new ClassPathResource(file).getInputStream();
}
}
示例代码
public class RJsDemo {
@Test
public void simpleRhinoTest() throws FileNotFoundException, IOException {
Context cx = Context.enter();
final JsRuntimeSupport browserSupport = new JsRuntimeSupport();
final ScriptableObject sharedScope = cx.initStandardObjects(browserSupport, true);
String[] names = { "print", "load" };
sharedScope.defineFunctionProperties(names, sharedScope.getClass(), ScriptableObject.DONTENUM);
Scriptable argsObj = cx.newArray(sharedScope, new Object[] {});
sharedScope.defineProperty("arguments", argsObj, ScriptableObject.DONTENUM);
cx.evaluateReader(sharedScope, new FileReader("./r.js"), "require", 1, null);
cx.evaluateReader(sharedScope, new FileReader("./loader.js"), "loader", 1, null);
Context.exit();
}
}
加载器.js
require.config({
baseUrl: "js/app"
});
require (["a", "b"], function(a, b) {
print('modules loaded');
});
js/app目录应该位于您的类路径中。
