spring MultipartHttpServletRequest 源码
spring MultipartHttpServletRequest 代码
文件路径：/spring-web/src/main/java/org/springframework/web/multipart/MultipartHttpServletRequest.java
/*
* Copyright 2002-2021 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 jakarta.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.
*
* <p>Implementations also need to override the standard
* {@link jakarta.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 jakarta.servlet.http.HttpServletRequest#getParameter
* @see jakarta.servlet.http.HttpServletRequest#getParameterNames
* @see jakarta.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.
*/
HttpMethod getRequestMethod();
/**
* Return this request's headers as a convenient HttpHeaders instance.
*/
HttpHeaders getRequestHeaders();
/**
* Return the headers for the specified part of the multipart request.
* <p>If the underlying implementation supports access to part headers,
* then all headers are returned. Otherwise, e.g. for a file upload, the
* returned headers may expose a 'Content-Type' if available.
*/
@Nullable
HttpHeaders getMultipartHeaders(String paramOrFileName);
}
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