org.springframework.web.multipart.support

## Class AbstractMultipartHttpServletRequest

- java.lang.Object
- - javax.servlet.ServletRequestWrapper
  - - javax.servlet.http.HttpServletRequestWrapper
    - - org.springframework.web.multipart.support.AbstractMultipartHttpServletRequest

- All Implemented Interfaces:
    HttpServletRequest, ServletRequest, MultipartHttpServletRequest, MultipartRequest
  Direct Known Subclasses:
    DefaultMultipartHttpServletRequest, StandardMultipartHttpServletRequest

      public abstract class AbstractMultipartHttpServletRequest
      extends HttpServletRequestWrapper
      implements MultipartHttpServletRequest

  Abstract base implementation of the MultipartHttpServletRequest interface. Provides management of pre-generated MultipartFile instances.
  Since:
    06.10.2003
  Author:
    Juergen Hoeller, Arjen Poutsma

- - ### Field Summary

    - ### Fields inherited from interface javax.servlet.http.HttpServletRequest

      `BASIC_AUTH, CLIENT_CERT_AUTH, DIGEST_AUTH, FORM_AUTH`

  - ### Constructor Summary

    Constructors
    Modifier | Constructor and Description
    --- | ---
    `protected` | `AbstractMultipartHttpServletRequest(HttpServletRequest request)` Wrap the given HttpServletRequest in a MultipartHttpServletRequest.

  - ### Method Summary

    Methods
    Modifier and Type | Method and Description
    --- | ---
    `MultipartFile` | `getFile(String name)` Return the contents plus description of an uploaded file in this request, or `null` if it does not exist.
    `Map<String,MultipartFile>` | `getFileMap()` Return a `Map` of the multipart files contained in this request.
    `Iterator<String>` | `getFileNames()` Return an `Iterator` of String objects containing the parameter names of the multipart files contained in this request.
    `List<MultipartFile>` | `getFiles(String name)` Return the contents plus description of uploaded files in this request, or an empty list if it does not exist.
    `MultiValueMap<String,MultipartFile>` | `getMultiFileMap()` Return a `MultiValueMap` of the multipart files contained in this request.
    `protected MultiValueMap<String,MultipartFile>` | `getMultipartFiles()` Obtain the MultipartFile Map for retrieval, lazily initializing it if necessary.
    `HttpServletRequest` | `getRequest()`
    `HttpHeaders` | `getRequestHeaders()` Return this request's headers as a convenient HttpHeaders instance.
    `HttpMethod` | `getRequestMethod()` Return this request's method as a convenient HttpMethod instance.
    `protected void` | `initializeMultipart()` Lazily initialize the multipart request, if possible.
    `protected void` | `setMultipartFiles(MultiValueMap<String,MultipartFile> multipartFiles)` Set a Map with parameter names as keys and list of MultipartFile objects as values.

    - ### Methods inherited from class javax.servlet.http.HttpServletRequestWrapper

      `authenticate, getAuthType, getContextPath, getCookies, getDateHeader, getHeader, getHeaderNames, getHeaders, getIntHeader, getMethod, getPart, getParts, getPathInfo, getPathTranslated, getQueryString, getRemoteUser, getRequestedSessionId, getRequestURI, getRequestURL, getServletPath, getSession, getSession, getUserPrincipal, isRequestedSessionIdFromCookie, isRequestedSessionIdFromUrl, isRequestedSessionIdFromURL, isRequestedSessionIdValid, isUserInRole, login, logout`

    - ### Methods inherited from class javax.servlet.ServletRequestWrapper

      `getAsyncContext, getAttribute, getAttributeNames, getCharacterEncoding, getContentLength, getContentType, getDispatcherType, getInputStream, getLocalAddr, getLocale, getLocales, getLocalName, getLocalPort, getParameter, getParameterMap, getParameterNames, getParameterValues, getProtocol, getReader, getRealPath, getRemoteAddr, getRemoteHost, getRemotePort, getRequestDispatcher, getScheme, getServerName, getServerPort, getServletContext, isAsyncStarted, isAsyncSupported, isSecure, isWrapperFor, isWrapperFor, removeAttribute, setAttribute, setCharacterEncoding, setRequest, startAsync, startAsync`

    - ### Methods inherited from class java.lang.Object

      `clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

    - ### Methods inherited from interface org.springframework.web.multipart.MultipartHttpServletRequest

      `getMultipartHeaders`

    - ### Methods inherited from interface javax.servlet.http.HttpServletRequest

      `authenticate, getAuthType, getContextPath, getCookies, getDateHeader, getHeader, getHeaderNames, getHeaders, getIntHeader, getMethod, getPart, getParts, getPathInfo, getPathTranslated, getQueryString, getRemoteUser, getRequestedSessionId, getRequestURI, getRequestURL, getServletPath, getSession, getSession, getUserPrincipal, isRequestedSessionIdFromCookie, isRequestedSessionIdFromUrl, isRequestedSessionIdFromURL, isRequestedSessionIdValid, isUserInRole, login, logout`

    - ### Methods inherited from interface javax.servlet.ServletRequest

      `getAsyncContext, getAttribute, getAttributeNames, getCharacterEncoding, getContentLength, getContentType, getDispatcherType, getInputStream, getLocalAddr, getLocale, getLocales, getLocalName, getLocalPort, getParameter, getParameterMap, getParameterNames, getParameterValues, getProtocol, getReader, getRealPath, getRemoteAddr, getRemoteHost, getRemotePort, getRequestDispatcher, getScheme, getServerName, getServerPort, getServletContext, isAsyncStarted, isAsyncSupported, isSecure, removeAttribute, setAttribute, setCharacterEncoding, startAsync, startAsync`

    - ### Methods inherited from interface org.springframework.web.multipart.MultipartRequest

      `getMultipartContentType`

- - ### Constructor Detail

    - #### AbstractMultipartHttpServletRequest

          protected AbstractMultipartHttpServletRequest(HttpServletRequest request)

      Wrap the given HttpServletRequest in a MultipartHttpServletRequest.
      Parameters:
        `request` - the request to wrap

  - ### Method Detail

    - #### getRequest

          public HttpServletRequest getRequest()

      Overrides:
        `getRequest` in class `ServletRequestWrapper`

    - #### getRequestMethod

          public HttpMethod getRequestMethod()

      Description copied from interface: `MultipartHttpServletRequest`
      Return this request's method as a convenient HttpMethod instance.
      Specified by:
        `getRequestMethod` in interface `MultipartHttpServletRequest`

    - #### getRequestHeaders

          public HttpHeaders getRequestHeaders()

      Description copied from interface: `MultipartHttpServletRequest`
      Return this request's headers as a convenient HttpHeaders instance.
      Specified by:
        `getRequestHeaders` in interface `MultipartHttpServletRequest`

    - #### getFileNames

          public Iterator<String> getFileNames()

      Description copied from interface: `MultipartRequest`
      Return an `Iterator` of String objects containing the parameter names of the multipart files contained in this request. These are the field names of the form (like with normal parameters), not the original file names.
      Specified by:
        `getFileNames` in interface `MultipartRequest`
      Returns:
        the names of the files

    - #### getFile

          public MultipartFile getFile(String name)

      Description copied from interface: `MultipartRequest`
      Return the contents plus description of an uploaded file in this request, or `null` if it does not exist.
      Specified by:
        `getFile` in interface `MultipartRequest`
      Parameters:
        `name` - a String specifying the parameter name of the multipart file
      Returns:
        the uploaded content in the form of a `MultipartFile` object

    - #### getFiles

          public List<MultipartFile> getFiles(String name)

      Description copied from interface: `MultipartRequest`
      Return the contents plus description of uploaded files in this request, or an empty list if it does not exist.
      Specified by:
        `getFiles` in interface `MultipartRequest`
      Parameters:
        `name` - a String specifying the parameter name of the multipart file
      Returns:
        the uploaded content in the form of a `MultipartFile` list

    - #### getFileMap

          public Map<String,MultipartFile> getFileMap()

      Description copied from interface: `MultipartRequest`
      Return a `Map` of the multipart files contained in this request.
      Specified by:
        `getFileMap` in interface `MultipartRequest`
      Returns:
        a map containing the parameter names as keys, and the `MultipartFile` objects as values

    - #### getMultiFileMap

          public MultiValueMap<String,MultipartFile> getMultiFileMap()

      Description copied from interface: `MultipartRequest`
      Return a `MultiValueMap` of the multipart files contained in this request.
      Specified by:
        `getMultiFileMap` in interface `MultipartRequest`
      Returns:
        a map containing the parameter names as keys, and a list of `MultipartFile` objects as values

    - #### setMultipartFiles

          protected final void setMultipartFiles(MultiValueMap<String,MultipartFile> multipartFiles)

      Set a Map with parameter names as keys and list of MultipartFile objects as values. To be invoked by subclasses on initialization.

    - #### getMultipartFiles

          protected MultiValueMap<String,MultipartFile> getMultipartFiles()

      Obtain the MultipartFile Map for retrieval, lazily initializing it if necessary.
      See Also:
        `initializeMultipart()`

    - #### initializeMultipart

          protected void initializeMultipart()

      Lazily initialize the multipart request, if possible. Only called if not already eagerly initialized.