程序包 cn.taketoday.web.servlet

类 ContentCachingResponseWrapper

java.lang.Object

jakarta.servlet.ServletResponseWrapper

jakarta.servlet.http.HttpServletResponseWrapper

cn.taketoday.web.servlet.ContentCachingResponseWrapper

所有已实现的接口:

HttpServletResponse, ServletResponse

直接已知子类:

ShallowEtagHeaderFilter.ConditionalContentCachingResponseWrapper

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.

从以下版本开始:

4.0

作者:

Juergen Hoeller

另请参阅:

• ContentCachingRequestWrapper

嵌套类概要

嵌套类

修饰符和类型	类	说明
private class	ContentCachingResponseWrapper.ResponsePrintWriter
private class	ContentCachingResponseWrapper.ResponseServletOutputStream

字段概要

字段

修饰符和类型	字段	说明
private final cn.taketoday.util.FastByteArrayOutputStream	content
private Integer	contentLength
private ServletOutputStream	outputStream
private PrintWriter	writer

从接口继承的字段 jakarta.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

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()
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)

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

addCookie, addDateHeader, addHeader, addIntHeader, containsHeader, encodeRedirectURL, encodeURL, getHeader, getHeaderNames, getHeaders, getStatus, getTrailerFields, setDateHeader, setHeader, setIntHeader, setStatus, setTrailerFields

从类继承的方法 jakarta.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 jakarta.servlet.ServletResponse

getBufferSize, getCharacterEncoding, getContentType, getLocale, isCommitted, setCharacterEncoding, setContentType, setLocale

字段详细资料

content

private final cn.taketoday.util.FastByteArrayOutputStream content

outputStream

@Nullable
private ServletOutputStream outputStream

writer

@Nullable
private PrintWriter writer

contentLength

@Nullable
private Integer contentLength

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

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

getContentAsByteArray

public byte[] getContentAsByteArray()

Return the cached response content as a byte array.

getContentInputStream

public InputStream getContentInputStream()

Return an InputStream to the cached content.

getContentSize

public int getContentSize()

Return the current size of the cached content.

copyBodyToResponse

public void copyBodyToResponse()
                        throws IOException

Copy the complete cached body content to the response.

抛出:

IOException

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