/* * Copyright 2004 Sun Microsystems, Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * */ package com.sun.syndication.io; import com.sun.syndication.feed.module.Module; import org.jdom.Element; /** * Parses module metadata from a XML node (JDOM element). * <p> * ModuleParser instances must thread safe. * <p> * TODO: explain how developers can plugin their own implementations. * <p> * @author Alejandro Abdelnur * */ public interface ModuleParser { /** * Returns the namespace URI this parser handles. * <p> * @return the namespace URI. * */ public String getNamespaceUri(); /** * Parses the XML node (JDOM element) extracting module information. * <p> * @param element the XML node (JDOM element) to extract module information from. * @return a module instance, <b>null</b> if the element did not have module information. * */ public Module parse(Element element); }