public static Object convertArg(Context cx, Scriptable scope, Object arg, int typeTag) {
switch (typeTag) {
case JAVA_STRING_TYPE:
if (arg instanceof String) {
return arg;
}
return ScriptRuntime.toString(arg);
case JAVA_INT_TYPE:
if (arg instanceof Integer) {
return arg;
}
return new Integer(ScriptRuntime.toInt32(arg));
case JAVA_BOOLEAN_TYPE:
if (arg instanceof Boolean) {
return arg;
}
return ScriptRuntime.toBoolean(arg) ? Boolean.TRUE : Boolean.FALSE;
case JAVA_DOUBLE_TYPE:
if (arg instanceof Double) {
return arg;
}
return new Double(ScriptRuntime.toNumber(arg));
case JAVA_SCRIPTABLE_TYPE:
if (arg instanceof Scriptable) {
return arg;
}
return ScriptRuntime.toObject(cx, scope, arg);
case JAVA_OBJECT_TYPE:
return arg;
default:
throw new IllegalArgumentException();
}
}
static Object js_createAdpter(Context cx, Scriptable scope, Object[] args) {
int N = args.length;
if (N == 0) {
throw ScriptRuntime.typeError0("msg.adapter.zero.args");
}
Class superClass = null;
Class[] intfs = new Class[N - 1];
int interfaceCount = 0;
for (int i = 0; i != N - 1; ++i) {
Object arg = args[i];
if (!(arg instanceof NativeJavaClass)) {
throw ScriptRuntime.typeError2(
"msg.not.java.class.arg", String.valueOf(i), ScriptRuntime.toString(arg));
}
Class c = ((NativeJavaClass) arg).getClassObject();
if (!c.isInterface()) {
if (superClass != null) {
throw ScriptRuntime.typeError2("msg.only.one.super", superClass.getName(), c.getName());
}
superClass = c;
} else {
intfs[interfaceCount++] = c;
}
}
if (superClass == null) superClass = ScriptRuntime.ObjectClass;
Class[] interfaces = new Class[interfaceCount];
System.arraycopy(intfs, 0, interfaces, 0, interfaceCount);
Scriptable obj = ScriptRuntime.toObject(cx, scope, args[N - 1]);
Class adapterClass = getAdapterClass(scope, superClass, interfaces, obj);
Class[] ctorParms = {ScriptRuntime.ContextFactoryClass, ScriptRuntime.ScriptableClass};
Object[] ctorArgs = {cx.getFactory(), obj};
try {
Object adapter = adapterClass.getConstructor(ctorParms).newInstance(ctorArgs);
return getAdapterSelf(adapterClass, adapter);
} catch (Exception ex) {
throw Context.throwAsScriptRuntimeEx(ex);
}
}