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Java Source Code / Java Documentation » Web Server » Winstone » winstone 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


java.lang.Object
   winstone.RequestDispatcher

RequestDispatcher
public class RequestDispatcher implements javax.servlet.RequestDispatcher,javax.servlet.FilterChain(Code)
This class implements both the RequestDispatcher and FilterChain components. On the first call to include() or forward(), it starts the filter chain execution if one exists. On the final doFilter() or if there is no chain, we call the include() or forward() again, and the servlet is executed.
author:
   Rick Knowles
version:
   $Id: RequestDispatcher.java,v 1.18 2007/04/23 02:55:35 rickknowles Exp $


Field Summary
final static  StringERROR_EXCEPTION
    
final static  StringERROR_EXCEPTION_TYPE
    
final static  StringERROR_MESSAGE
    
final static  StringERROR_REQUEST_URI
    
final static  StringERROR_SERVLET_NAME
    
final static  StringERROR_STATUS_CODE
    
final static  StringFORWARD_CONTEXT_PATH
    
final static  StringFORWARD_PATH_INFO
    
final static  StringFORWARD_QUERY_STRING
    
final static  StringFORWARD_REQUEST_URI
    
final static  StringFORWARD_SERVLET_PATH
    
final static  StringINCLUDE_CONTEXT_PATH
    
final static  StringINCLUDE_PATH_INFO
    
final static  StringINCLUDE_QUERY_STRING
    
final static  StringINCLUDE_REQUEST_URI
    
final static  StringINCLUDE_SERVLET_PATH
    

Constructor Summary
public  RequestDispatcher(WebAppConfiguration webAppConfig, ServletConfiguration servletConfig)
     Constructor.

Method Summary
public  voiddoFilter(ServletRequest request, ServletResponse response)
    
public  voidforward(ServletRequest request, ServletResponse response)
     Forwards to another servlet, and when it's finished executing that other servlet, cut off execution.
public  StringgetName()
    
protected  WinstoneRequestgetUnwrappedRequest(ServletRequest request)
    
protected  WinstoneResponsegetUnwrappedResponse(ServletResponse response)
    
public  voidinclude(ServletRequest request, ServletResponse response)
     Includes the execution of a servlet into the current request Note this method enters itself twice: once with the initial call, and once again when all the filters have completed.
public  voidsetForErrorDispatcher(String servletPath, String pathInfo, String queryString, int statusCode, String summaryMessage, Throwable exception, String errorHandlerURI, Mapping errorFilterPatterns)
    
public  voidsetForInitialDispatcher(String servletPath, String pathInfo, String queryString, String requestURIInsideWebapp, Mapping requestFilterPatterns, AuthenticationHandler authHandler)
    
public  voidsetForNamedDispatcher(Mapping forwardFilterPatterns, Mapping includeFilterPatterns)
    
public  voidsetForURLDispatcher(String servletPath, String pathInfo, String queryString, String requestURIInsideWebapp, Mapping forwardFilterPatterns, Mapping includeFilterPatterns)
    

Field Detail
ERROR_EXCEPTION
final static String ERROR_EXCEPTION(Code)



ERROR_EXCEPTION_TYPE
final static String ERROR_EXCEPTION_TYPE(Code)



ERROR_MESSAGE
final static String ERROR_MESSAGE(Code)



ERROR_REQUEST_URI
final static String ERROR_REQUEST_URI(Code)



ERROR_SERVLET_NAME
final static String ERROR_SERVLET_NAME(Code)



ERROR_STATUS_CODE
final static String ERROR_STATUS_CODE(Code)



FORWARD_CONTEXT_PATH
final static String FORWARD_CONTEXT_PATH(Code)



FORWARD_PATH_INFO
final static String FORWARD_PATH_INFO(Code)



FORWARD_QUERY_STRING
final static String FORWARD_QUERY_STRING(Code)



FORWARD_REQUEST_URI
final static String FORWARD_REQUEST_URI(Code)



FORWARD_SERVLET_PATH
final static String FORWARD_SERVLET_PATH(Code)



INCLUDE_CONTEXT_PATH
final static String INCLUDE_CONTEXT_PATH(Code)



INCLUDE_PATH_INFO
final static String INCLUDE_PATH_INFO(Code)



INCLUDE_QUERY_STRING
final static String INCLUDE_QUERY_STRING(Code)



INCLUDE_REQUEST_URI
final static String INCLUDE_REQUEST_URI(Code)



INCLUDE_SERVLET_PATH
final static String INCLUDE_SERVLET_PATH(Code)




Constructor Detail
RequestDispatcher
public RequestDispatcher(WebAppConfiguration webAppConfig, ServletConfiguration servletConfig)(Code)
Constructor. This initializes the filter chain and sets up the details needed to handle a servlet excecution, such as security constraints, filters, etc.




Method Detail
doFilter
public void doFilter(ServletRequest request, ServletResponse response) throws ServletException, IOException(Code)
Handles the processing of the chain of filters, so that we process them all, then pass on to the main servlet



forward
public void forward(ServletRequest request, ServletResponse response) throws ServletException, IOException(Code)
Forwards to another servlet, and when it's finished executing that other servlet, cut off execution. Note this method enters itself twice: once with the initial call, and once again when all the filters have completed.



getName
public String getName()(Code)



getUnwrappedRequest
protected WinstoneRequest getUnwrappedRequest(ServletRequest request)(Code)
Unwrap back to the original container allocated request object



getUnwrappedResponse
protected WinstoneResponse getUnwrappedResponse(ServletResponse response)(Code)
Unwrap back to the original container allocated response object



include
public void include(ServletRequest request, ServletResponse response) throws ServletException, IOException(Code)
Includes the execution of a servlet into the current request Note this method enters itself twice: once with the initial call, and once again when all the filters have completed.



setForErrorDispatcher
public void setForErrorDispatcher(String servletPath, String pathInfo, String queryString, int statusCode, String summaryMessage, Throwable exception, String errorHandlerURI, Mapping errorFilterPatterns)(Code)



setForInitialDispatcher
public void setForInitialDispatcher(String servletPath, String pathInfo, String queryString, String requestURIInsideWebapp, Mapping requestFilterPatterns, AuthenticationHandler authHandler)(Code)



setForNamedDispatcher
public void setForNamedDispatcher(Mapping forwardFilterPatterns, Mapping includeFilterPatterns)(Code)



setForURLDispatcher
public void setForURLDispatcher(String servletPath, String pathInfo, String queryString, String requestURIInsideWebapp, Mapping forwardFilterPatterns, Mapping includeFilterPatterns)(Code)



Methods inherited from java.lang.Object
native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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