001/*
002 * Copyright 2002-2012 the original author or authors.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 *      https://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016
017package org.springframework.web.servlet.mvc.multiaction;
018
019import javax.servlet.http.HttpServletRequest;
020
021/**
022 * Interface that parameterizes the MultiActionController class
023 * using the <b>Strategy</b> GoF Design pattern, allowing
024 * the mapping from incoming request to handler method name
025 * to be varied without affecting other application code.
026 *
027 * <p>Illustrates how delegation can be more flexible than subclassing.
028 *
029 * @author Rod Johnson
030 * @see MultiActionController#setMethodNameResolver
031 * @deprecated as of 4.3, in favor of annotation-driven handler methods
032 */
033@Deprecated
034public interface MethodNameResolver {
035
036        /**
037         * Return a method name that can handle this request. Such
038         * mappings are typically, but not necessarily, based on URL.
039         * @param request current HTTP request
040         * @return a method name that can handle this request.
041         * Never returns {@code null}; throws exception if not resolvable.
042         * @throws NoSuchRequestHandlingMethodException if no handler method
043         * can be found for the given request
044         */
045        String getHandlerMethodName(HttpServletRequest request) throws NoSuchRequestHandlingMethodException;
046
047}