如何在Java中指定自己的Rhino上下文? [英] How can I specify my own Rhino context in Java?
问题描述
我正在努力确保我的Rhino脚本(在Java 6下运行)是严格的,这样如果脚本开发人员拼错了表达式,我希望抛出异常。目前发生的情况是表达式只是评估为未定义。
I'm trying to ensure that my Rhino scripts (running under Java 6) are strict so that if a script developer misspells an expression I want an exception to be thrown. Currently what happens is the expression simply evaluates to "undefined".
现在根据Mozilla组织 https://developer.mozilla.org/en/New_in_Rhino_1.6R6 有一些功能可以在上下文中启用严格检查。我找不到一个有效的例子。
Now according to Mozilla org https://developer.mozilla.org/en/New_in_Rhino_1.6R6 there are features to enable strict checking in the context. I cannot find a working example of this.
我到目前为止所做的是写一个类来扩展ContextFactory然后覆盖hasFeature方法。
What I did so far was write a class to extend ContextFactory and then override the hasFeature method.
public class ScriptContextFactory extends ContextFactory {
protected boolean hasFeature(Context context, int featureIndex) {
switch (featureIndex) {
case Context.FEATURE_STRICT_EVAL:
return true;
case Context.FEATURE_STRICT_VARS:
return true;
}
return super.hasFeature(context, featureIndex);
}
}
然后在Main我设置为默认值。
Then in the Main I set mine to the default.
ContextFactory.initGlobal(new ScriptContextFactory());
我得到一个非法的州例外。 :(
and I get an illegal state exception. :(
有关其工作原理的任何想法或示例?
Any ideas or samples on how this works?
TIA
推荐答案
如果您在调用 initGlobal()之前正在执行
尝试撤消订单。 Context.enter()
If you are doing Context.enter()
before calling initGlobal()
try reversing the order.
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