org.springframework.web.util

Class ContentCachingRequestWrapper

java.lang.Object

HttpServletRequestWrapper

org.springframework.web.util.ContentCachingRequestWrapper

public class ContentCachingRequestWrapper
extends HttpServletRequestWrapper

javax.servlet.http-HttpServletRequest wrapper that caches all content read from the input stream and reader, and allows this content to be retrieved via a byte array.

Used e.g. by AbstractRequestLoggingFilter.

Since:

4.1.3

Author:

Juergen Hoeller, Brian Clozel

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
private class	ContentCachingRequestWrapper.ContentCachingInputStream

Field Summary

Fields

Modifier and Type	Field and Description
private java.io.ByteArrayOutputStream	cachedContent
private static java.lang.String	FORM_CONTENT_TYPE
private ServletInputStream	inputStream
private static java.lang.String	METHOD_POST
private java.io.BufferedReader	reader

Constructor Summary

Constructors

Constructor and Description
ContentCachingRequestWrapper(HttpServletRequest request) Create a new ContentCachingRequestWrapper for the given servlet request.

Method Summary

Modifier and Type	Method and Description
java.lang.String	getCharacterEncoding()
byte[]	getContentAsByteArray() Return the cached request content as a byte array.
ServletInputStream	getInputStream()
java.lang.String	getParameter(java.lang.String name)
java.util.Map<java.lang.String,java.lang.String[]>	getParameterMap()
java.util.Enumeration<java.lang.String>	getParameterNames()
java.lang.String[]	getParameterValues(java.lang.String name)
java.io.BufferedReader	getReader()
private boolean	isFormPost()
private void	writeRequestParametersToCachedContent()

Methods inherited from class java.lang.Object

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

Field Detail

FORM_CONTENT_TYPE

private static final java.lang.String FORM_CONTENT_TYPE

See Also:

Constant Field Values

METHOD_POST

private static final java.lang.String METHOD_POST

See Also:

Constant Field Values

cachedContent

private final java.io.ByteArrayOutputStream cachedContent

inputStream

private ServletInputStream inputStream

reader

private java.io.BufferedReader reader

Constructor Detail

ContentCachingRequestWrapper

public ContentCachingRequestWrapper(HttpServletRequest request)

Create a new ContentCachingRequestWrapper for the given servlet request.

Parameters:

request - the original servlet request

Method Detail

getInputStream

public ServletInputStream getInputStream()
                                  throws java.io.IOException

Throws:

java.io.IOException

getCharacterEncoding

public java.lang.String getCharacterEncoding()

getReader

public java.io.BufferedReader getReader()
                                 throws java.io.IOException

Throws:

java.io.IOException

getParameter

public java.lang.String getParameter(java.lang.String name)

getParameterMap

public java.util.Map<java.lang.String,java.lang.String[]> getParameterMap()

getParameterNames

public java.util.Enumeration<java.lang.String> getParameterNames()

getParameterValues

public java.lang.String[] getParameterValues(java.lang.String name)

isFormPost

private boolean isFormPost()

writeRequestParametersToCachedContent

private void writeRequestParametersToCachedContent()

getContentAsByteArray

public byte[] getContentAsByteArray()

Return the cached request content as a byte array.