import net.sourceforge.stripes.controller.StripesRequestWrapper; //导入依赖的package包/类
protected void saveUpload(HttpServletRequest req) {
    StripesRequestWrapper stripesRequest =
        StripesRequestWrapper.findStripesWrapper(req);
    final FileBean fileBean = stripesRequest.getFileParameterValue(inputName);

    if (fileBean != null) {
        try {
            newBlob(fileBean);
        } catch (IOException e) {
            logger.error("Could not read upload", e);
            forgetBlob();
            blobError = getText("elements.error.field.fileblob.uploadFailed");
            try {
                fileBean.delete();
            } catch (IOException e1) {
                logger.error("Could not delete FileBean", e1);
            }
        }
    } else {
        logger.debug("An update of a blob was requested, but nothing was uploaded. The previous value will be kept.");
        keepOldBlob(req);
    }
}
 

import net.sourceforge.stripes.controller.StripesRequestWrapper; //导入依赖的package包/类
/**
 * {@inheritDoc} Sanitize all the request parameters before allowing the ActionBean resolution to proceed.
 */
public Resolution intercept(ExecutionContext context) throws Exception {
    StripesRequestWrapper stripesWrapper = null;
    HttpServletRequest originalRequest = null;

    try {
        currentContext.set(context);
        stripesWrapper = StripesRequestWrapper.findStripesWrapper(context.getActionBeanContext().getRequest());
        originalRequest = (HttpServletRequest) stripesWrapper.getRequest();
        stripesWrapper.setRequest(new XssRequestWrapper(originalRequest));
        return context.proceed();
    } finally {
        currentContext.remove();
        if (stripesWrapper != null && originalRequest != null) {
            stripesWrapper.setRequest(originalRequest);
        }
    }
}
 

import net.sourceforge.stripes.controller.StripesRequestWrapper; //导入依赖的package包/类
/**
 * Calls {@link ActionBean#setContext(ActionBeanContext)} with the given
 * {@code context} only if necessary. Subclasses should use this method
 * instead of setting the context directly because it can be somewhat tricky
 * to determine when it needs to be done.
 * 
 * @param bean
 *            The bean whose context may need to be set.
 * @param context
 *            The context to pass to the bean if necessary.
 */
protected void setActionBeanContext(ActionBean bean, ActionBeanContext context) {
    ActionBeanContext abcFromBean = bean.getContext();
    if (abcFromBean == null) {
        bean.setContext(context);
    } else {
        StripesRequestWrapper wrapperFromBean = StripesRequestWrapper.findStripesWrapper(abcFromBean.getRequest());
        StripesRequestWrapper wrapperFromRequest = StripesRequestWrapper.findStripesWrapper(context.getRequest());
        if (wrapperFromBean != wrapperFromRequest)
            bean.setContext(context);
    }
}