Examples with ExpressException com.shulie.instrument.simulator.module.express.ExpressException used on opensource projects

Example 1 with ExpressException

use of com.shulie.instrument.simulator.module.express.ExpressException in project LinkAgent by shulieTech.

the class OgnlModule method info.

@Command(value = "info", description = "执行 ognl 表达式")
public CommandResponse info(final Map<String, String> args) {
    String express = args.get("express");
    String hashCode = args.get("classLoader");
    if (StringUtils.isBlank(express)) {
        return CommandResponse.failure("express can't be null or empty.");
    }
    try {
        Instrumentation inst = simulatorConfig.getInstrumentation();
        ClassLoader classLoader = null;
        if (hashCode == null) {
            classLoader = ClassLoader.getSystemClassLoader();
        } else {
            classLoader = ClassLoaderUtils.getClassLoader(inst, hashCode);
        }
        if (classLoader == null) {
            return CommandResponse.failure("Can not find classloader with classloader<hashCode>: " + hashCode + ".");
        }
        Express unpooledExpress = ExpressFactory.unpooledExpress(classLoader);
        Object value = unpooledExpress.get(express);
        return CommandResponse.success(value);
    } catch (ExpressException e) {
        logger.warn("ognl: failed execute express: " + express, e);
        return CommandResponse.failure("Failed to execute ognl, exception message: " + e.getMessage() + ", please check $HOME/logs/simulator/simulator.log for more details. ");
    } catch (Throwable t) {
        logger.warn("ognl: failed execute express: " + express, t);
        return CommandResponse.failure(t);
    }
}