IndexCheckerPortlet.java 文件源码

public String getUpdateMessage(PortletConfig portletConfig) {

        PluginPackage pluginPackage = getPluginPackage(portletConfig);

        if (pluginPackage == null) {
            return getUpdateMessageOffline(portletConfig);
        }

        @SuppressWarnings("unchecked")
        Collection<String> lastAvalibleVersion =
            (Collection<String>)RemoteConfigurationUtil.getConfigurationEntry(
                "lastAvalibleVersion");

        if ((lastAvalibleVersion == null) || lastAvalibleVersion.isEmpty()) {
            return getUpdateMessageOffline(portletConfig);
        }

        String portletVersion = pluginPackage.getVersion();

        if (lastAvalibleVersion.contains(portletVersion)) {
            return null;
        }

        return (String)RemoteConfigurationUtil.getConfigurationEntry(
                "updateMessage");
    }