@Override
                    public Enumeration<String> getInitParameterNames()
                    {
                        final Map<String, String> params = WebXmlUtils.getFilterInitParams( webXmlDoc, filterName );
                        if (params.isEmpty()) {
                            return Collections.emptyEnumeration();
                        }
                        return Collections.enumeration( params.keySet() );
                    }
Registers all JSP page servlets for a plugin.

@param manager the plugin manager.
@param plugin the plugin.
@param webXML the web.xml file containing JSP page names to servlet class file
     mappings.
xmppserver/src/main/java/org/jivesoftware/openfire/container/PluginServlet.java