com.ibm.websphere.servlet.request

Class HttpServletRequestProxy

  1. java.lang.Object
  2. extended bycom.ibm.websphere.servlet.request.HttpServletRequestProxy
All implemented interfaces:
javax.servlet.http.HttpServletRequest, javax.servlet.ServletRequest

Deprecated. since WAS V6.0 Use the HttpServletRequestWrapper class instead. Proxies function invocations to an underlying HttpServletRequest. Subclasses of this class can be created that overload or enhance the functionality of a server-provided HttpServletRequest.

Using the proxied request:

  1. Subclass this class and overload any desired functions.
  2. During the servlet's service method, create an instance of the enhanced request using the original request from the server as the proxied request.
  3. Forward the enhanced request to another servlet for processing instead of the original request that was provided by the server.

Sample subclass (overloads the request's InputStream)

 
 // This enhanced request will force the request to be a POST request.
 // This request POST data input will be read from a specified file.
 public class PostedFileRequest extends HttpServletRequestProxy{
    private HttpServletRequest _request;
    private File _file;
    public PostedFileRequest(File f, HttpServletRequest req){
      _file =f;
       _request = req;
    }
    protected HttpServletRequest getProxiedHttpServletRequest(){
       return _request;
    }
    //overload request functionality
    public ServletInputStream getInputStream() throws IOException{
       return new ServletInputStreamAdapter(new FileInputStream(_file));
    }
    public BufferedReader getReader() throws IOException{
       return new BufferedReader(getInputStream());
    }
    public String getMethod(){
       //force the HTTP method to be POST.
       return "POST";
    }
 }
 

Using the enhanced request subclass transparently in a servlet

 //This servlet posts a data file as a request to another servlet.
 public class PostGeneratorServlet extends HttpServlet{
    public void service HttpServletRequest req, HttpServletResponse resp){
       req = new PostedFileRequest(req, new File(request.getPathTranslated()));
       //forward the enhanced request to be used transparently by another servlet.
       getServletContext().getRequestDispatcher("/postHandlerServlet").forward(req, resp);
    }
 }
 
  1. public abstract class HttpServletRequestProxy
  2. extends java.lang.Object
  3. implements javax.servlet.http.HttpServletRequest

Field Summary

Fields inherited from interface javax.servlet.http.HttpServletRequest
BASIC_AUTH, CLIENT_CERT_AUTH, DIGEST_AUTH, FORM_AUTH

Constructor Summary

Constructor and Description
HttpServletRequestProxy()
Deprecated.

Method Summary

Modifier and Type Method and Description
  1. java.lang.Object
getAttribute(java.lang.String name)
Deprecated.
  1. java.util.Enumeration
getAttributeNames()
Deprecated.
  1. java.lang.String
getAuthType()
Deprecated.
  1. java.lang.String
getCharacterEncoding()
Deprecated.
  1. int
getContentLength()
Deprecated.
  1. java.lang.String
getContentType()
Deprecated.
  1. java.lang.String
getContextPath()
Deprecated.
  1. javax.servlet.http.Cookie[]
getCookies()
Deprecated.
  1. long
getDateHeader(java.lang.String name)
Deprecated.
  1. java.lang.String
getHeader(java.lang.String name)
Deprecated.
  1. java.util.Enumeration
getHeaderNames()
Deprecated.
  1. java.util.Enumeration
getHeaders(java.lang.String name)
Deprecated.
  1. javax.servlet.ServletInputStream
getInputStream()
Deprecated.
  1. int
getIntHeader(java.lang.String name)
Deprecated.
  1. java.util.Locale
getLocale()
Deprecated.
  1. java.util.Enumeration
getLocales()
Deprecated.
  1. java.lang.String
getMethod()
Deprecated.
  1. java.lang.String
getParameter(java.lang.String name)
Deprecated.
  1. java.util.Map
getParameterMap()
Deprecated.
  1. java.util.Enumeration
getParameterNames()
Deprecated.
  1. java.lang.String[]
getParameterValues(java.lang.String name)
Deprecated.
  1. java.lang.String
getPathInfo()
Deprecated.
  1. java.lang.String
getPathTranslated()
Deprecated.
  1. java.lang.String
getProtocol()
Deprecated.
  1. protected abstract
  2. javax.servlet.http.HttpServletRequest
getProxiedHttpServletRequest()
Deprecated. Get the request that this object is supposed to proxy.
  1. java.lang.String
getQueryString()
Deprecated.
  1. java.io.BufferedReader
getReader()
Deprecated.
  1. java.lang.String
getRealPath(java.lang.String path)
Deprecated.
  1. java.lang.String
getRemoteAddr()
Deprecated.
  1. java.lang.String
getRemoteHost()
Deprecated.
  1. java.lang.String
getRemoteUser()
Deprecated.
  1. javax.servlet.ServletRequest
getRequest()
Deprecated.
  1. javax.servlet.RequestDispatcher
getRequestDispatcher(java.lang.String path)
Deprecated.
  1. java.lang.String
getRequestedSessionId()
Deprecated.
  1. java.lang.String
getRequestURI()
Deprecated.
  1. java.lang.StringBuffer
getRequestURL()
Deprecated.
  1. java.lang.String
getScheme()
Deprecated.
  1. java.lang.String
getServerName()
Deprecated.
  1. int
getServerPort()
Deprecated.
  1. java.lang.String
getServletPath()
Deprecated.
  1. javax.servlet.http.HttpSession
getSession()
Deprecated.
  1. javax.servlet.http.HttpSession
getSession(boolean create)
Deprecated.
  1. java.security.Principal
getUserPrincipal()
Deprecated.
  1. boolean
isRequestedSessionIdFromCookie()
Deprecated.
  1. boolean
isRequestedSessionIdFromUrl()
Deprecated.
  1. boolean
isRequestedSessionIdFromURL()
Deprecated.
  1. boolean
isRequestedSessionIdValid()
Deprecated.
  1. boolean
isSecure()
Deprecated.
  1. boolean
isUserInRole(java.lang.String role)
Deprecated.
  1. void
removeAttribute(java.lang.String name)
Deprecated.
  1. void
setAttribute(java.lang.String key,java.lang.Object o)
Deprecated.
  1. void
setCharacterEncoding(java.lang.String encoding)
Deprecated.
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
Methods inherited from interface javax.servlet.http.HttpServletRequest
authenticate, getPart, getParts, login, logout
Methods inherited from interface javax.servlet.ServletRequest
getAsyncContext, getDispatcherType, getLocalAddr, getLocalName, getLocalPort, getRemotePort, getServletContext, isAsyncStarted, isAsyncSupported, startAsync, startAsync

Constructor Detail

HttpServletRequestProxy

  1. public HttpServletRequestProxy( )
Deprecated.

Method Detail

getProxiedHttpServletRequest

  1. protected abstract javax.servlet.http.HttpServletRequest getProxiedHttpServletRequest( )
Deprecated.
Get the request that this object is supposed to proxy.

getAuthType

  1. public java.lang.String getAuthType( )
Deprecated.
Specified by:
getAuthType in interface javax.servlet.http.HttpServletRequest

getCookies

  1. public javax.servlet.http.Cookie[] getCookies( )
Deprecated.
Specified by:
getCookies in interface javax.servlet.http.HttpServletRequest

getIntHeader

  1. public int getIntHeader(java.lang.String name)
Deprecated.
Specified by:
getIntHeader in interface javax.servlet.http.HttpServletRequest

getDateHeader

  1. public long getDateHeader(java.lang.String name)
Deprecated.
Specified by:
getDateHeader in interface javax.servlet.http.HttpServletRequest

getHeader

  1. public java.lang.String getHeader( java.lang.String name)
Deprecated.
Specified by:
getHeader in interface javax.servlet.http.HttpServletRequest

getHeaderNames

  1. public java.util.Enumeration getHeaderNames( )
Deprecated.
Specified by:
getHeaderNames in interface javax.servlet.http.HttpServletRequest

getQueryString

  1. public java.lang.String getQueryString( )
Deprecated.
Specified by:
getQueryString in interface javax.servlet.http.HttpServletRequest

getMethod

  1. public java.lang.String getMethod( )
Deprecated.
Specified by:
getMethod in interface javax.servlet.http.HttpServletRequest

getPathInfo

  1. public java.lang.String getPathInfo( )
Deprecated.
Specified by:
getPathInfo in interface javax.servlet.http.HttpServletRequest

getPathTranslated

  1. public java.lang.String getPathTranslated( )
Deprecated.
Specified by:
getPathTranslated in interface javax.servlet.http.HttpServletRequest

getServletPath

  1. public java.lang.String getServletPath( )
Deprecated.
Specified by:
getServletPath in interface javax.servlet.http.HttpServletRequest

getRemoteUser

  1. public java.lang.String getRemoteUser( )
Deprecated.
Specified by:
getRemoteUser in interface javax.servlet.http.HttpServletRequest

getRequestedSessionId

  1. public java.lang.String getRequestedSessionId( )
Deprecated.
Specified by:
getRequestedSessionId in interface javax.servlet.http.HttpServletRequest

getRequestURI

  1. public java.lang.String getRequestURI( )
Deprecated.
Specified by:
getRequestURI in interface javax.servlet.http.HttpServletRequest

isRequestedSessionIdFromCookie

  1. public boolean isRequestedSessionIdFromCookie( )
Deprecated.
Specified by:
isRequestedSessionIdFromCookie in interface javax.servlet.http.HttpServletRequest

getSession

  1. public javax.servlet.http.HttpSession getSession( boolean create)
Deprecated.
Specified by:
getSession in interface javax.servlet.http.HttpServletRequest

getSession

  1. public javax.servlet.http.HttpSession getSession( )
Deprecated.
Specified by:
getSession in interface javax.servlet.http.HttpServletRequest

isRequestedSessionIdValid

  1. public boolean isRequestedSessionIdValid( )
Deprecated.
Specified by:
isRequestedSessionIdValid in interface javax.servlet.http.HttpServletRequest

isRequestedSessionIdFromURL

  1. public boolean isRequestedSessionIdFromURL( )
Deprecated.
Specified by:
isRequestedSessionIdFromURL in interface javax.servlet.http.HttpServletRequest

isRequestedSessionIdFromUrl

  1. public boolean isRequestedSessionIdFromUrl( )
Deprecated.
Specified by:
isRequestedSessionIdFromUrl in interface javax.servlet.http.HttpServletRequest

getHeaders

  1. public java.util.Enumeration getHeaders( java.lang.String name)
Deprecated.
Specified by:
getHeaders in interface javax.servlet.http.HttpServletRequest

getContextPath

  1. public java.lang.String getContextPath( )
Deprecated.
Specified by:
getContextPath in interface javax.servlet.http.HttpServletRequest

isUserInRole

  1. public boolean isUserInRole(java.lang.String role)
Deprecated.
Specified by:
isUserInRole in interface javax.servlet.http.HttpServletRequest

getUserPrincipal

  1. public java.security.Principal getUserPrincipal( )
Deprecated.
Specified by:
getUserPrincipal in interface javax.servlet.http.HttpServletRequest

getRequestURL

  1. public java.lang.StringBuffer getRequestURL( )
Deprecated.
Specified by:
getRequestURL in interface javax.servlet.http.HttpServletRequest

getAttribute

  1. public java.lang.Object getAttribute( java.lang.String name)
Deprecated.
Specified by:
getAttribute in interface javax.servlet.ServletRequest

getAttributeNames

  1. public java.util.Enumeration getAttributeNames( )
Deprecated.
Specified by:
getAttributeNames in interface javax.servlet.ServletRequest

getInputStream

  1. public javax.servlet.ServletInputStream getInputStream( )
  2. throws java.io.IOException
Deprecated.
Specified by:
getInputStream in interface javax.servlet.ServletRequest
Throws:
java.io.IOException

getCharacterEncoding

  1. public java.lang.String getCharacterEncoding( )
Deprecated.
Specified by:
getCharacterEncoding in interface javax.servlet.ServletRequest

getContentLength

  1. public int getContentLength()
Deprecated.
Specified by:
getContentLength in interface javax.servlet.ServletRequest

getContentType

  1. public java.lang.String getContentType( )
Deprecated.
Specified by:
getContentType in interface javax.servlet.ServletRequest

getProtocol

  1. public java.lang.String getProtocol( )
Deprecated.
Specified by:
getProtocol in interface javax.servlet.ServletRequest

getParameter

  1. public java.lang.String getParameter( java.lang.String name)
Deprecated.
Specified by:
getParameter in interface javax.servlet.ServletRequest

getParameterNames

  1. public java.util.Enumeration getParameterNames( )
Deprecated.
Specified by:
getParameterNames in interface javax.servlet.ServletRequest

getParameterValues

  1. public java.lang.String[] getParameterValues( java.lang.String name)
Deprecated.
Specified by:
getParameterValues in interface javax.servlet.ServletRequest

getScheme

  1. public java.lang.String getScheme( )
Deprecated.
Specified by:
getScheme in interface javax.servlet.ServletRequest

getServerName

  1. public java.lang.String getServerName( )
Deprecated.
Specified by:
getServerName in interface javax.servlet.ServletRequest

getServerPort

  1. public int getServerPort()
Deprecated.
Specified by:
getServerPort in interface javax.servlet.ServletRequest

getRealPath

  1. public java.lang.String getRealPath( java.lang.String path)
Deprecated.
Specified by:
getRealPath in interface javax.servlet.ServletRequest

getReader

  1. public java.io.BufferedReader getReader( )
  2. throws java.io.IOException
Deprecated.
Specified by:
getReader in interface javax.servlet.ServletRequest
Throws:
java.io.IOException

getRemoteAddr

  1. public java.lang.String getRemoteAddr( )
Deprecated.
Specified by:
getRemoteAddr in interface javax.servlet.ServletRequest

getRemoteHost

  1. public java.lang.String getRemoteHost( )
Deprecated.
Specified by:
getRemoteHost in interface javax.servlet.ServletRequest

setAttribute

  1. public void setAttribute(java.lang.String key,
  2. java.lang.Object o)
Deprecated.
Specified by:
setAttribute in interface javax.servlet.ServletRequest

removeAttribute

  1. public void removeAttribute(java.lang.String name)
Deprecated.
Specified by:
removeAttribute in interface javax.servlet.ServletRequest

getLocale

  1. public java.util.Locale getLocale( )
Deprecated.
Specified by:
getLocale in interface javax.servlet.ServletRequest

getLocales

  1. public java.util.Enumeration getLocales( )
Deprecated.
Specified by:
getLocales in interface javax.servlet.ServletRequest

isSecure

  1. public boolean isSecure()
Deprecated.
Specified by:
isSecure in interface javax.servlet.ServletRequest

getRequestDispatcher

  1. public javax.servlet.RequestDispatcher getRequestDispatcher( java.lang.String path)
Deprecated.
Specified by:
getRequestDispatcher in interface javax.servlet.ServletRequest

getRequest

  1. public javax.servlet.ServletRequest getRequest( )
Deprecated.

getParameterMap

  1. public java.util.Map getParameterMap( )
Deprecated.
Specified by:
getParameterMap in interface javax.servlet.ServletRequest

setCharacterEncoding

  1. public void setCharacterEncoding( java.lang.String encoding)
  2. throws java.io.UnsupportedEncodingException
Deprecated.
Specified by:
setCharacterEncoding in interface javax.servlet.ServletRequest
Throws:
java.io.UnsupportedEncodingException