001/* 002 * Copyright 2002-2011 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.multipart; 018 019import javax.servlet.http.HttpServletRequest; 020 021import org.springframework.http.HttpHeaders; 022import org.springframework.http.HttpMethod; 023 024/** 025 * Provides additional methods for dealing with multipart content within a 026 * servlet request, allowing to access uploaded files. 027 * Implementations also need to override the standard 028 * {@link javax.servlet.ServletRequest} methods for parameter access, making 029 * multipart parameters available. 030 * 031 * <p>A concrete implementation is 032 * {@link org.springframework.web.multipart.support.DefaultMultipartHttpServletRequest}. 033 * As an intermediate step, 034 * {@link org.springframework.web.multipart.support.AbstractMultipartHttpServletRequest} 035 * can be subclassed. 036 * 037 * @author Juergen Hoeller 038 * @author Trevor D. Cook 039 * @since 29.09.2003 040 * @see MultipartResolver 041 * @see MultipartFile 042 * @see javax.servlet.http.HttpServletRequest#getParameter 043 * @see javax.servlet.http.HttpServletRequest#getParameterNames 044 * @see javax.servlet.http.HttpServletRequest#getParameterMap 045 * @see org.springframework.web.multipart.support.DefaultMultipartHttpServletRequest 046 * @see org.springframework.web.multipart.support.AbstractMultipartHttpServletRequest 047 */ 048public interface MultipartHttpServletRequest extends HttpServletRequest, MultipartRequest { 049 050 /** 051 * Return this request's method as a convenient HttpMethod instance. 052 */ 053 HttpMethod getRequestMethod(); 054 055 /** 056 * Return this request's headers as a convenient HttpHeaders instance. 057 */ 058 HttpHeaders getRequestHeaders(); 059 060 /** 061 * Return the headers associated with the specified part of the multipart request. 062 * <p>If the underlying implementation supports access to headers, then all headers are returned. 063 * Otherwise, the returned headers will include a 'Content-Type' header at the very least. 064 */ 065 HttpHeaders getMultipartHeaders(String paramOrFileName); 066 067}