RMIConnector.java 文件源码

public boolean isInstanceOf(ObjectName name,
        String className)
        throws InstanceNotFoundException,
        IOException {
    if (logger.debugOn())
        logger.debug("isInstanceOf", "name=" + name +
                ", className=" + className);

    final ClassLoader old = pushDefaultClassLoader();
    try {
        return connection.isInstanceOf(name,
                className,
                delegationSubject);
    } catch (IOException ioe) {
        communicatorAdmin.gotIOException(ioe);

        return connection.isInstanceOf(name,
                className,
                delegationSubject);
    } finally {
        popDefaultClassLoader(old);
    }
}