@Override
    public boolean check(String requiredClass) {
        if (StringUtils.isEmpty(requiredClass)) {
            return false;
        }
        String classNameAsResource = getClassNameAsResource(requiredClass);
        if (ClassLoader.getSystemResource(classNameAsResource) != null) {
            logger.debug("Resource found - [{}]", classNameAsResource);
            return true;
        } else {
            logger.debug("Resource not found - [{}]", classNameAsResource);
            return false;
        }
    }
Checks if the specified class can be found in the current System ClassLoader's search path.

@param requiredClass the fully qualified class name of the class to check
@return <tt>true</tt> if the specified class can be found in the system class loader's search path, 
        <tt>false</tt> if otherwise
agent-module/bootstraps/bootstrap-core/src/main/java/com/navercorp/pinpoint/bootstrap/resolver/condition/ClassResourceCondition.java