public static ScriptableObject require(
Context cx, Scriptable thisObj, Object[] args, Function funObj)
throws ScriptException, IOException {
String functionName = "require";
int argsCount = args.length;
if (argsCount != 1) {
HostObjectUtil.invalidNumberOfArgs(
CommonManager.HOST_OBJECT_NAME, functionName, argsCount, false);
}
if (!(args[0] instanceof String)) {
HostObjectUtil.invalidArgsError(
CommonManager.HOST_OBJECT_NAME, functionName, "1", "string", args[0], false);
}
String moduleId = (String) args[0];
int dotIndex = moduleId.lastIndexOf(".");
if (moduleId.length() == dotIndex + 1) {
String msg = "Invalid file path for require method : " + moduleId;
log.error(msg);
throw new ScriptException(msg);
}
JaggeryContext jaggeryContext = CommonManager.getJaggeryContext();
Map<String, ScriptableObject> requiredModules =
(Map<String, ScriptableObject>)
jaggeryContext.getProperty(Constants.JAGGERY_REQUIRED_MODULES);
ScriptableObject object = requiredModules.get(moduleId);
if (object != null) {
return object;
}
if (dotIndex == -1) {
object = CommonManager.require(cx, thisObj, args, funObj);
initModule(cx, jaggeryContext, moduleId, object);
} else {
object = (ScriptableObject) cx.newObject(thisObj);
object.setPrototype(thisObj);
object.setParentScope(null);
String ext = moduleId.substring(dotIndex + 1);
if (ext.equalsIgnoreCase("json")) {
object = executeScript(jaggeryContext, object, moduleId, true, true, false);
} else if (ext.equalsIgnoreCase("js")) {
object = executeScript(jaggeryContext, object, moduleId, false, true, false);
} else if (ext.equalsIgnoreCase("jag")) {
object = executeScript(jaggeryContext, object, moduleId, false, false, false);
} else {
String msg = "Unsupported file type for require() method : ." + ext;
log.error(msg);
throw new ScriptException(msg);
}
}
requiredModules.put(moduleId, object);
return object;
}
