java.lang.Object
- javax.servlet.ServletResponseWrapper
- - javax.servlet.http.HttpServletResponseWrapper
  - - org.springframework.web.util.ContentCachingResponseWrapper

所有已实现的接口:
HttpServletResponse, ServletResponse
```
public class ContentCachingResponseWrapper
extends HttpServletResponseWrapper
```
HttpServletResponse wrapper that caches all content written to the output stream and writer, and allows this content to be retrieved via a byte array.
Used e.g. by ShallowEtagHeaderFilter.
从以下版本开始:
4.1.3
作者:
Juergen Hoeller
另请参阅:
ContentCachingRequestWrapper

字段概要
- 从接口继承的字段 javax.servlet.http.HttpServletResponse
  SC_ACCEPTED, SC_BAD_GATEWAY, SC_BAD_REQUEST, SC_CONFLICT, SC_CONTINUE, SC_CREATED, SC_EXPECTATION_FAILED, SC_FORBIDDEN, SC_FOUND, SC_GATEWAY_TIMEOUT, SC_GONE, SC_HTTP_VERSION_NOT_SUPPORTED, SC_INTERNAL_SERVER_ERROR, SC_LENGTH_REQUIRED, SC_METHOD_NOT_ALLOWED, SC_MOVED_PERMANENTLY, SC_MOVED_TEMPORARILY, SC_MULTIPLE_CHOICES, SC_NO_CONTENT, SC_NON_AUTHORITATIVE_INFORMATION, SC_NOT_ACCEPTABLE, SC_NOT_FOUND, SC_NOT_IMPLEMENTED, SC_NOT_MODIFIED, SC_OK, SC_PARTIAL_CONTENT, SC_PAYMENT_REQUIRED, SC_PRECONDITION_FAILED, SC_PROXY_AUTHENTICATION_REQUIRED, SC_REQUEST_ENTITY_TOO_LARGE, SC_REQUEST_TIMEOUT, SC_REQUEST_URI_TOO_LONG, SC_REQUESTED_RANGE_NOT_SATISFIABLE, SC_RESET_CONTENT, SC_SEE_OTHER, SC_SERVICE_UNAVAILABLE, SC_SWITCHING_PROTOCOLS, SC_TEMPORARY_REDIRECT, SC_UNAUTHORIZED, SC_UNSUPPORTED_MEDIA_TYPE, SC_USE_PROXY

构造器概要
构造器
构造器说明
ContentCachingResponseWrapper(HttpServletResponse response)
Create a new ContentCachingResponseWrapper for the given servlet response.

方法概要

所有方法实例方法具体方法
修饰符和类型	方法	说明
`void`	`copyBodyToResponse()`	Copy the complete cached body content to the response.
`protected void`	`copyBodyToResponse(boolean complete)`	Copy the cached body content to the response.
`void`	`flushBuffer()`
`byte[]`	`getContentAsByteArray()`	Return the cached response content as a byte array.
`InputStream`	`getContentInputStream()`	Return an `InputStream` to the cached content.
`int`	`getContentSize()`	Return the current size of the cached content.
`ServletOutputStream`	`getOutputStream()`
`int`	`getStatusCode()`	Return the status code as specified on the response.
`PrintWriter`	`getWriter()`
`void`	`reset()`
`void`	`resetBuffer()`
`void`	`sendError(int sc)`
`void`	`sendError(int sc, String msg)`
`void`	`sendRedirect(String location)`
`void`	`setBufferSize(int size)`
`void`	`setContentLength(int len)`
`void`	`setContentLengthLong(long len)`
`void`	`setStatus(int sc)`
`void`	`setStatus(int sc, String sm)`

从类继承的方法 javax.servlet.http.HttpServletResponseWrapper
addCookie, addDateHeader, addHeader, addIntHeader, containsHeader, encodeRedirectUrl, encodeRedirectURL, encodeUrl, encodeURL, getHeader, getHeaderNames, getHeaders, getStatus, setDateHeader, setHeader, setIntHeader

从类继承的方法 javax.servlet.ServletResponseWrapper
getBufferSize, getCharacterEncoding, getContentType, getLocale, getResponse, isCommitted, isWrapperFor, isWrapperFor, setCharacterEncoding, setContentType, setLocale, setResponse

从类继承的方法 java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

从接口继承的方法 javax.servlet.ServletResponse
getBufferSize, getCharacterEncoding, getContentType, getLocale, isCommitted, setCharacterEncoding, setContentType, setLocale

- 构造器详细资料
  - ContentCachingResponseWrapper
```
public ContentCachingResponseWrapper(HttpServletResponse response)
```
    Create a new ContentCachingResponseWrapper for the given servlet response.
    参数:
    response - the original servlet response
- 方法详细资料
  - setStatus
```
public void setStatus(int sc)
```
    指定者:
    setStatus 在接口中 HttpServletResponse
    覆盖:
    setStatus 在类中 HttpServletResponseWrapper
  - setStatus
```
public void setStatus(int sc,
                      String sm)
```
    指定者:
    setStatus 在接口中 HttpServletResponse
    覆盖:
    setStatus 在类中 HttpServletResponseWrapper
  - sendError
```
public void sendError(int sc)
               throws IOException
```
    指定者:
    sendError 在接口中 HttpServletResponse
    覆盖:
    sendError 在类中 HttpServletResponseWrapper
    抛出:
    IOException
  - sendError
```
public void sendError(int sc,
                      String msg)
               throws IOException
```
    指定者:
    sendError 在接口中 HttpServletResponse
    覆盖:
    sendError 在类中 HttpServletResponseWrapper
    抛出:
    IOException
  - sendRedirect
```
public void sendRedirect(String location)
                  throws IOException
```
    指定者:
    sendRedirect 在接口中 HttpServletResponse
    覆盖:
    sendRedirect 在类中 HttpServletResponseWrapper
    抛出:
    IOException
  - getOutputStream
```
public ServletOutputStream getOutputStream()
                                    throws IOException
```
    指定者:
    getOutputStream 在接口中 ServletResponse
    覆盖:
    getOutputStream 在类中 ServletResponseWrapper
    抛出:
    IOException
  - getWriter
```
public PrintWriter getWriter()
                      throws IOException
```
    指定者:
    getWriter 在接口中 ServletResponse
    覆盖:
    getWriter 在类中 ServletResponseWrapper
    抛出:
    IOException
  - flushBuffer
```
public void flushBuffer()
                 throws IOException
```
    指定者:
    flushBuffer 在接口中 ServletResponse
    覆盖:
    flushBuffer 在类中 ServletResponseWrapper
    抛出:
    IOException
  - setContentLength
```
public void setContentLength(int len)
```
    指定者:
    setContentLength 在接口中 ServletResponse
    覆盖:
    setContentLength 在类中 ServletResponseWrapper
  - setContentLengthLong
```
public void setContentLengthLong(long len)
```
    指定者:
    setContentLengthLong 在接口中 ServletResponse
    覆盖:
    setContentLengthLong 在类中 ServletResponseWrapper
  - setBufferSize
```
public void setBufferSize(int size)
```
    指定者:
    setBufferSize 在接口中 ServletResponse
    覆盖:
    setBufferSize 在类中 ServletResponseWrapper
  - resetBuffer
```
public void resetBuffer()
```
    指定者:
    resetBuffer 在接口中 ServletResponse
    覆盖:
    resetBuffer 在类中 ServletResponseWrapper
  - reset
```
public void reset()
```
    指定者:
    reset 在接口中 ServletResponse
    覆盖:
    reset 在类中 ServletResponseWrapper
  - getStatusCode
```
public int getStatusCode()
```
    Return the status code as specified on the response.
  - getContentAsByteArray
```
public byte[] getContentAsByteArray()
```
    Return the cached response content as a byte array.
  - getContentInputStream
```
public InputStream getContentInputStream()
```
    Return an InputStream to the cached content.
    从以下版本开始:
    4.2
  - getContentSize
```
public int getContentSize()
```
    Return the current size of the cached content.
    从以下版本开始:
    4.2
  - copyBodyToResponse
```
public void copyBodyToResponse()
                        throws IOException
```
    Copy the complete cached body content to the response.
    抛出:
    IOException
    从以下版本开始:
    4.2
  - copyBodyToResponse
```
protected void copyBodyToResponse(boolean complete)
                           throws IOException
```
    Copy the cached body content to the response.
    参数:
    complete - whether to set a corresponding content length for the complete cached body content
    抛出:
    IOException
    从以下版本开始:
    4.2

类 ContentCachingResponseWrapper

字段概要

从接口继承的字段 javax.servlet.http.HttpServletResponse

构造器概要

方法概要

从类继承的方法 javax.servlet.http.HttpServletResponseWrapper

从类继承的方法 javax.servlet.ServletResponseWrapper

从类继承的方法 java.lang.Object

从接口继承的方法 javax.servlet.ServletResponse

构造器详细资料

ContentCachingResponseWrapper

方法详细资料

setStatus

setStatus

sendError

sendError

sendRedirect

getOutputStream

getWriter

flushBuffer

setContentLength

setContentLengthLong

setBufferSize

resetBuffer

reset

getStatusCode

getContentAsByteArray

getContentInputStream

getContentSize

copyBodyToResponse

copyBodyToResponse