ccl.servlet
Class ChangedRequest

java.lang.Object
  |
  +--ccl.servlet.ChangedRequest
All Implemented Interfaces:
javax.servlet.http.HttpServletRequest, javax.servlet.ServletRequest

public class ChangedRequest
extends java.lang.Object
implements javax.servlet.http.HttpServletRequest

Sometimes a slightly changed HttpServletRequest object is needed with just new parameter values. An instance of this class encapsulates an http request and forwards all messages to this object except for changed parameters.

This class adds setParameter to a standard http request.


Field Summary
 
Fields inherited from interface javax.servlet.http.HttpServletRequest
BASIC_AUTH, CLIENT_CERT_AUTH, DIGEST_AUTH, FORM_AUTH
 
Constructor Summary
ChangedRequest(javax.servlet.http.HttpServletRequest request)
           
 
Method Summary
 java.lang.Object getAttribute(java.lang.String s)
          Forwards message to original request object.
 java.util.Enumeration getAttributeNames()
          Forwards message to original request object.
 java.lang.String getAuthType()
          Forwards message to original request object.
 java.lang.String getCharacterEncoding()
          Forwards message to original request object.
 int getContentLength()
          Forwards message to original request object.
 java.lang.String getContentType()
          Forwards message to original request object.
 java.lang.String getContextPath()
          Forwards message to original request object.
 javax.servlet.http.Cookie[] getCookies()
          Forwards message to original request object.
 long getDateHeader(java.lang.String s)
          Forwards message to original request object.
 java.lang.String getHeader(java.lang.String s)
          Forwards message to original request object.
 java.util.Enumeration getHeaderNames()
          Forwards message to original request object.
 java.util.Enumeration getHeaders(java.lang.String s)
          Forwards message to original request object.
 javax.servlet.ServletInputStream getInputStream()
          Forwards message to original request object.
 int getIntHeader(java.lang.String s)
          Forwards message to original request object.
 java.util.Locale getLocale()
          Forwards message to original request object.
 java.util.Enumeration getLocales()
          Forwards message to original request object.
 java.lang.String getMethod()
          Forwards message to original request object.
 java.lang.String getParameter(java.lang.String name)
          Returns a new or changed parameter if existing, otherwise this method returns the original parameter.
 java.util.Map getParameterMap()
          Forwards message to original request object.
 java.util.Enumeration getParameterNames()
          Returns new or changed parameter names if existing plus the rest of the unchanged names.
 java.lang.String[] getParameterValues(java.lang.String name)
          Returns new or changed parameter values if existing, otherwise this method returns the originals.
 java.lang.String getPathInfo()
          Forwards message to original request object.
 java.lang.String getPathTranslated()
          Forwards message to original request object.
 java.lang.String getProtocol()
          Forwards message to original request object.
 java.lang.String getQueryString()
          Forwards message to original request object.
 java.io.BufferedReader getReader()
          Forwards message to original request object.
 java.lang.String getRealPath(java.lang.String s)
          Forwards message to original request object.
 java.lang.String getRemoteAddr()
          Forwards message to original request object.
 java.lang.String getRemoteHost()
          Forwards message to original request object.
 java.lang.String getRemoteUser()
          Forwards message to original request object.
 javax.servlet.RequestDispatcher getRequestDispatcher(java.lang.String s)
          Forwards message to original request object.
 java.lang.String getRequestedSessionId()
          Forwards message to original request object.
 java.lang.String getRequestURI()
          Forwards message to original request object.
 java.lang.StringBuffer getRequestURL()
          Forwards message to original request object.
 java.lang.String getScheme()
          Forwards message to original request object.
 java.lang.String getServerName()
          Forwards message to original request object.
 int getServerPort()
          Forwards message to original request object.
 java.lang.String getServletPath()
          Forwards message to original request object.
 javax.servlet.http.HttpSession getSession()
          Forwards message to original request object.
 javax.servlet.http.HttpSession getSession(boolean b)
          Forwards message to original request object.
 java.security.Principal getUserPrincipal()
          Forwards message to original request object.
 boolean isRequestedSessionIdFromCookie()
          Forwards message to original request object.
 boolean isRequestedSessionIdFromUrl()
          Forwards message to original request object.
 boolean isRequestedSessionIdFromURL()
          Forwards message to original request object.
 boolean isRequestedSessionIdValid()
          Forwards message to original request object.
 boolean isSecure()
          Forwards message to original request object.
 boolean isUserInRole(java.lang.String s)
          Forwards message to original request object.
 void putParameter(java.lang.String name, java.lang.String value)
          Lets you change the value of a parameter or add a new one.
 void putParameterValues(java.lang.String name, java.lang.String[] values)
          Lets you change the values of a parameter or add a new one.
 void removeAttribute(java.lang.String s)
          Forwards message to original request object.
 void setAttribute(java.lang.String s, java.lang.Object o)
          Forwards message to original request object.
 void setCharacterEncoding(java.lang.String env)
          Forwards message to original request object.
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

ChangedRequest

public ChangedRequest(javax.servlet.http.HttpServletRequest request)
Method Detail

putParameter

public void putParameter(java.lang.String name,
                         java.lang.String value)
Lets you change the value of a parameter or add a new one.


putParameterValues

public void putParameterValues(java.lang.String name,
                               java.lang.String[] values)
Lets you change the values of a parameter or add a new one.


getParameter

public java.lang.String getParameter(java.lang.String name)
Returns a new or changed parameter if existing, otherwise this method returns the original parameter.

Specified by:
getParameter in interface javax.servlet.ServletRequest

getParameterValues

public java.lang.String[] getParameterValues(java.lang.String name)
Returns new or changed parameter values if existing, otherwise this method returns the originals.

Specified by:
getParameterValues in interface javax.servlet.ServletRequest

getParameterNames

public java.util.Enumeration getParameterNames()
Returns new or changed parameter names if existing plus the rest of the unchanged names.

Specified by:
getParameterNames in interface javax.servlet.ServletRequest

getAttribute

public java.lang.Object getAttribute(java.lang.String s)
Forwards message to original request object.

Specified by:
getAttribute in interface javax.servlet.ServletRequest

getAttributeNames

public java.util.Enumeration getAttributeNames()
Forwards message to original request object.

Specified by:
getAttributeNames in interface javax.servlet.ServletRequest

getCharacterEncoding

public java.lang.String getCharacterEncoding()
Forwards message to original request object.

Specified by:
getCharacterEncoding in interface javax.servlet.ServletRequest

getContentLength

public int getContentLength()
Forwards message to original request object.

Specified by:
getContentLength in interface javax.servlet.ServletRequest

getContentType

public java.lang.String getContentType()
Forwards message to original request object.

Specified by:
getContentType in interface javax.servlet.ServletRequest

getInputStream

public javax.servlet.ServletInputStream getInputStream()
                                                throws java.io.IOException
Forwards message to original request object.

Specified by:
getInputStream in interface javax.servlet.ServletRequest
java.io.IOException

getLocale

public java.util.Locale getLocale()
Forwards message to original request object.

Specified by:
getLocale in interface javax.servlet.ServletRequest

getLocales

public java.util.Enumeration getLocales()
Forwards message to original request object.

Specified by:
getLocales in interface javax.servlet.ServletRequest

getProtocol

public java.lang.String getProtocol()
Forwards message to original request object.

Specified by:
getProtocol in interface javax.servlet.ServletRequest

getReader

public java.io.BufferedReader getReader()
                                 throws java.io.IOException
Forwards message to original request object.

Specified by:
getReader in interface javax.servlet.ServletRequest
java.io.IOException

getRealPath

public java.lang.String getRealPath(java.lang.String s)
Forwards message to original request object.

Specified by:
getRealPath in interface javax.servlet.ServletRequest

getRemoteAddr

public java.lang.String getRemoteAddr()
Forwards message to original request object.

Specified by:
getRemoteAddr in interface javax.servlet.ServletRequest

getRemoteHost

public java.lang.String getRemoteHost()
Forwards message to original request object.

Specified by:
getRemoteHost in interface javax.servlet.ServletRequest

getRequestDispatcher

public javax.servlet.RequestDispatcher getRequestDispatcher(java.lang.String s)
Forwards message to original request object.

Specified by:
getRequestDispatcher in interface javax.servlet.ServletRequest

getScheme

public java.lang.String getScheme()
Forwards message to original request object.

Specified by:
getScheme in interface javax.servlet.ServletRequest

getServerName

public java.lang.String getServerName()
Forwards message to original request object.

Specified by:
getServerName in interface javax.servlet.ServletRequest

getServerPort

public int getServerPort()
Forwards message to original request object.

Specified by:
getServerPort in interface javax.servlet.ServletRequest

isSecure

public boolean isSecure()
Forwards message to original request object.

Specified by:
isSecure in interface javax.servlet.ServletRequest

removeAttribute

public void removeAttribute(java.lang.String s)
Forwards message to original request object.

Specified by:
removeAttribute in interface javax.servlet.ServletRequest

setAttribute

public void setAttribute(java.lang.String s,
                         java.lang.Object o)
Forwards message to original request object.

Specified by:
setAttribute in interface javax.servlet.ServletRequest

getAuthType

public java.lang.String getAuthType()
Forwards message to original request object.

Specified by:
getAuthType in interface javax.servlet.http.HttpServletRequest

getContextPath

public java.lang.String getContextPath()
Forwards message to original request object.

Specified by:
getContextPath in interface javax.servlet.http.HttpServletRequest

getCookies

public javax.servlet.http.Cookie[] getCookies()
Forwards message to original request object.

Specified by:
getCookies in interface javax.servlet.http.HttpServletRequest

getDateHeader

public long getDateHeader(java.lang.String s)
Forwards message to original request object.

Specified by:
getDateHeader in interface javax.servlet.http.HttpServletRequest

getHeader

public java.lang.String getHeader(java.lang.String s)
Forwards message to original request object.

Specified by:
getHeader in interface javax.servlet.http.HttpServletRequest

getHeaderNames

public java.util.Enumeration getHeaderNames()
Forwards message to original request object.

Specified by:
getHeaderNames in interface javax.servlet.http.HttpServletRequest

getHeaders

public java.util.Enumeration getHeaders(java.lang.String s)
Forwards message to original request object.

Specified by:
getHeaders in interface javax.servlet.http.HttpServletRequest

getIntHeader

public int getIntHeader(java.lang.String s)
Forwards message to original request object.

Specified by:
getIntHeader in interface javax.servlet.http.HttpServletRequest

getMethod

public java.lang.String getMethod()
Forwards message to original request object.

Specified by:
getMethod in interface javax.servlet.http.HttpServletRequest

getPathInfo

public java.lang.String getPathInfo()
Forwards message to original request object.

Specified by:
getPathInfo in interface javax.servlet.http.HttpServletRequest

getPathTranslated

public java.lang.String getPathTranslated()
Forwards message to original request object.

Specified by:
getPathTranslated in interface javax.servlet.http.HttpServletRequest

getQueryString

public java.lang.String getQueryString()
Forwards message to original request object.

Specified by:
getQueryString in interface javax.servlet.http.HttpServletRequest

getRemoteUser

public java.lang.String getRemoteUser()
Forwards message to original request object.

Specified by:
getRemoteUser in interface javax.servlet.http.HttpServletRequest

getRequestURI

public java.lang.String getRequestURI()
Forwards message to original request object.

Specified by:
getRequestURI in interface javax.servlet.http.HttpServletRequest

getRequestedSessionId

public java.lang.String getRequestedSessionId()
Forwards message to original request object.

Specified by:
getRequestedSessionId in interface javax.servlet.http.HttpServletRequest

getServletPath

public java.lang.String getServletPath()
Forwards message to original request object.

Specified by:
getServletPath in interface javax.servlet.http.HttpServletRequest

getSession

public javax.servlet.http.HttpSession getSession()
Forwards message to original request object.

Specified by:
getSession in interface javax.servlet.http.HttpServletRequest

getSession

public javax.servlet.http.HttpSession getSession(boolean b)
Forwards message to original request object.

Specified by:
getSession in interface javax.servlet.http.HttpServletRequest

getUserPrincipal

public java.security.Principal getUserPrincipal()
Forwards message to original request object.

Specified by:
getUserPrincipal in interface javax.servlet.http.HttpServletRequest

isRequestedSessionIdFromCookie

public boolean isRequestedSessionIdFromCookie()
Forwards message to original request object.

Specified by:
isRequestedSessionIdFromCookie in interface javax.servlet.http.HttpServletRequest

isRequestedSessionIdFromURL

public boolean isRequestedSessionIdFromURL()
Forwards message to original request object.

Specified by:
isRequestedSessionIdFromURL in interface javax.servlet.http.HttpServletRequest

isRequestedSessionIdFromUrl

public boolean isRequestedSessionIdFromUrl()
Forwards message to original request object.

Specified by:
isRequestedSessionIdFromUrl in interface javax.servlet.http.HttpServletRequest

isRequestedSessionIdValid

public boolean isRequestedSessionIdValid()
Forwards message to original request object.

Specified by:
isRequestedSessionIdValid in interface javax.servlet.http.HttpServletRequest

isUserInRole

public boolean isUserInRole(java.lang.String s)
Forwards message to original request object.

Specified by:
isUserInRole in interface javax.servlet.http.HttpServletRequest

setCharacterEncoding

public void setCharacterEncoding(java.lang.String env)
                          throws java.io.UnsupportedEncodingException
Forwards message to original request object.

Specified by:
setCharacterEncoding in interface javax.servlet.ServletRequest
java.io.UnsupportedEncodingException

getParameterMap

public java.util.Map getParameterMap()
Forwards message to original request object.

Specified by:
getParameterMap in interface javax.servlet.ServletRequest

getRequestURL

public java.lang.StringBuffer getRequestURL()
Forwards message to original request object.

Specified by:
getRequestURL in interface javax.servlet.http.HttpServletRequest