org.xwiki.container.servlet.filters.internal
Class SavedRequestRestorerFilter.SavedRequestWrapper

java.lang.Object
  javax.servlet.ServletRequestWrapper
      javax.servlet.http.HttpServletRequestWrapper
          org.xwiki.container.servlet.filters.internal.SavedRequestRestorerFilter.SavedRequestWrapper

All Implemented Interfaces:

javax.servlet.http.HttpServletRequest, javax.servlet.ServletRequest

Enclosing class:

SavedRequestRestorerFilter

public static class SavedRequestRestorerFilter.SavedRequestWrapper
extends javax.servlet.http.HttpServletRequestWrapper

Request Wrapper that inserts data from a previous request into the current request.

Field Summary

Fields inherited from interface javax.servlet.http.HttpServletRequest

BASIC_AUTH, CLIENT_CERT_AUTH, DIGEST_AUTH, FORM_AUTH

Constructor Summary

SavedRequestRestorerFilter.SavedRequestWrapper(javax.servlet.http.HttpServletRequest request)
Simple constructor that forwards the initialization to the default HttpServletRequestWrapper.

SavedRequestRestorerFilter.SavedRequestWrapper(javax.servlet.http.HttpServletRequest newRequest, SavedRequestManager.SavedRequest savedRequest)
Constructor that forwards the new request to the HttpServletRequestWrapper, and stores the saved request data internally.

Method Summary

java.lang.String	getParameter(java.lang.String name) Retrieves the value for the parameter, either from the new request, or from the saved data.
java.util.Map<java.lang.String,java.lang.String[]>	getParameterMap() Retrieves the combined map of parameter names - values, with the new values overriding the old ones.
java.util.Enumeration<java.lang.String>	getParameterNames() Retrieves the combined list of parameter names, from both the new and saved requests.
java.lang.String[]	getParameterValues(java.lang.String name) Retrieves all the values for the parameter, either from the new request, or from the saved data (but not combined).

Methods inherited from class javax.servlet.http.HttpServletRequestWrapper

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

Methods inherited from class javax.servlet.ServletRequestWrapper

getAttribute, getAttributeNames, getCharacterEncoding, getContentLength, getContentType, getInputStream, getLocalAddr, getLocale, getLocales, getLocalName, getLocalPort, getProtocol, getReader, getRealPath, getRemoteAddr, getRemoteHost, getRemotePort, getRequest, getRequestDispatcher, getScheme, getServerName, getServerPort, isSecure, removeAttribute, setAttribute, setCharacterEncoding, setRequest

Methods inherited from class java.lang.Object

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

Methods inherited from interface javax.servlet.ServletRequest

getAttribute, getAttributeNames, getCharacterEncoding, getContentLength, getContentType, getInputStream, getLocalAddr, getLocale, getLocales, getLocalName, getLocalPort, getProtocol, getReader, getRealPath, getRemoteAddr, getRemoteHost, getRemotePort, getRequestDispatcher, getScheme, getServerName, getServerPort, isSecure, removeAttribute, setAttribute, setCharacterEncoding

Constructor Detail

SavedRequestRestorerFilter.SavedRequestWrapper

public SavedRequestRestorerFilter.SavedRequestWrapper(javax.servlet.http.HttpServletRequest request)

Simple constructor that forwards the initialization to the default HttpServletRequestWrapper. No saved data is used.

Parameters:

request - the new request, the primary object wrapped which contains the actual request data.

SavedRequestRestorerFilter.SavedRequestWrapper

public SavedRequestRestorerFilter.SavedRequestWrapper(javax.servlet.http.HttpServletRequest newRequest,
                                                      SavedRequestManager.SavedRequest savedRequest)

Constructor that forwards the new request to the HttpServletRequestWrapper, and stores the saved request data internally.

Parameters:

newRequest - the new request, the primary object wrapped which contains the actual request data.

savedRequest - the old request, the secondary object wrapped which contains the saved (fallback) request parameters.

Method Detail

getParameter

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

Retrieves the value for the parameter, either from the new request, or from the saved data.

Specified by:

getParameter in interface javax.servlet.ServletRequest

Overrides:

getParameter in class javax.servlet.ServletRequestWrapper

Parameters:

name - the name of the parameter

Returns:

a String representing the first value of the parameter, or null if no value was set in either of the requests.

See Also:

ServletRequest.getParameter(java.lang.String)

getParameterValues

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

Retrieves all the values for the parameter, either from the new request, or from the saved data (but not combined).

Specified by:

getParameterValues in interface javax.servlet.ServletRequest

Overrides:

getParameterValues in class javax.servlet.ServletRequestWrapper

Parameters:

name - the name of the parameter

Returns:

an array of String objects containing the parameter's values, or null if no value was set in either of the requests.

See Also:

ServletRequest.getParameterValues(java.lang.String)

getParameterMap

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

Retrieves the combined map of parameter names - values, with the new values overriding the old ones.

Specified by:

getParameterMap in interface javax.servlet.ServletRequest

Overrides:

getParameterMap in class javax.servlet.ServletRequestWrapper

Returns:

an immutable Map containing parameter names as keys and parameter values as map values

See Also:

ServletRequest.getParameterMap()

getParameterNames

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

Retrieves the combined list of parameter names, from both the new and saved requests.

Specified by:

getParameterNames in interface javax.servlet.ServletRequest

Overrides:

getParameterNames in class javax.servlet.ServletRequestWrapper

Returns:

an Enumeration of String objects, each String containing the name of a request parameter; or an empty Enumeration if the request has no parameters

See Also:

ServletRequest.getParameterNames()