Buscript.java.chunk

gistfile1.txt

    /**
     * Set a top level variable
     * @param name variable to set to
     * @param object value for variable
     */
    public void setTopLevelVariable(String name,Object object){
        getGlobalScope().put(name, getGlobalScope(), object);
    }


    /**
     * Returns a top level variable
     * @param name variable to get
     * @return value
     */
    public Object getTopLevelVariable(String name){
        return getGlobalScope().get(name, getGlobalScope());
    }

    /**
     * Returns a top level variable, auto casted to a value.
     * @param name variable to get
     * @param type Attempt to cast to this type
     * @return value or null on cast fail.
     */
    @SuppressWarnings("unchecked")
    public <T> T getTopLevelVariable(String name,Class<T> type){
        try{
            return (T) getGlobalScope().get(name, getGlobalScope());
        }
        catch(Exception e){
            return null;
        }
    }

    /**
     * Execute a function
     * @param sender sender for debug error
     * @param functionName function name
     * @param _this - Scriptable object for use as the 'this' object in JS
     * @param args - Arguments for the script
     */
    public void runFunction(CommandSender sender,String functionName,Scriptable _this, Object... args){
        Object o = getTopLevelVariable(functionName);
        if(o instanceof Function){

            Function f = (Function)o;
            Context cx = Context.enter();
            try{
                f.call(cx, getGlobalScope(),_this , args);
            }catch(Exception e){
                sender.sendMessage("An error occured:");
                sender.sendMessage(e.getMessage());
            }
            Context.exit();
        }
    }