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/* * Copyright 2002-2011 the original author or authors. * * 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 * * https://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 org.springframework.web.multipart; import javax.servlet.http.HttpServletRequest; import org.springframework.http.HttpHeaders; import org.springframework.http.HttpMethod; import org.springframework.lang.Nullable; /** * Provides additional methods for dealing with multipart content within a * servlet request, allowing to access uploaded files. * Implementations also need to override the standard * {@link javax.servlet.ServletRequest} methods for parameter access, making * multipart parameters available. * * <p>A concrete implementation is * {@link org.springframework.web.multipart.support.DefaultMultipartHttpServletRequest}. * As an intermediate step, * {@link org.springframework.web.multipart.support.AbstractMultipartHttpServletRequest} * can be subclassed. * * @author Juergen Hoeller * @author Trevor D. Cook * @since 29.09.2003 * @see MultipartResolver * @see MultipartFile * @see javax.servlet.http.HttpServletRequest#getParameter * @see javax.servlet.http.HttpServletRequest#getParameterNames * @see javax.servlet.http.HttpServletRequest#getParameterMap * @see org.springframework.web.multipart.support.DefaultMultipartHttpServletRequest * @see org.springframework.web.multipart.support.AbstractMultipartHttpServletRequest */ public interface MultipartHttpServletRequest extends HttpServletRequest, MultipartRequest { /** * Return this request's method as a convenient HttpMethod instance. */ @Nullable HttpMethod getRequestMethod(); /** * Return this request's headers as a convenient HttpHeaders instance. */ HttpHeaders getRequestHeaders(); /** * Return the headers associated with the specified part of the multipart request. * <p>If the underlying implementation supports access to headers, then all headers are returned. * Otherwise, the returned headers will include a 'Content-Type' header at the very least. */ @Nullable HttpHeaders getMultipartHeaders(String paramOrFileName); }