SoffitConnectorController.java 文件源码

private ResponseWrapper fetchContentFromCacheIfAvailable(final RenderRequest req, final String serviceUrl) {

        ResponseWrapper rslt = null;  // default

        final List<CacheTuple> cacheKeysToTry = new ArrayList<>();
        // Don't use private-scope caching for anonymous users
        if (req.getRemoteUser() != null) {
            cacheKeysToTry.add(
                    // Private-scope cache key
                    new CacheTuple(serviceUrl, req.getPortletMode().toString(),
                            req.getWindowState().toString(), req.getRemoteUser())
            );
        }
        cacheKeysToTry.add(
                // Public-scope cache key
                new CacheTuple(serviceUrl, req.getPortletMode().toString(),
                        req.getWindowState().toString())
        );

        for (CacheTuple key : cacheKeysToTry) {
            final Element cacheElement = this.responseCache.get(key);
            if (cacheElement != null) {
                rslt = (ResponseWrapper) cacheElement.getObjectValue();
                break;
            }
        }

        return rslt;

    }