Package javax.servlet

Interface RequestDispatcher

All Known Implementing Classes:

DefaultServletRequestDispatcher

public interface RequestDispatcher

The RequestDispatcher API.

Author:

Manfred Riem ([email protected])

Field Summary

Fields

Modifier and Type	Field	Description
static String	ERROR_EXCEPTION	Defines the ERROR_EXCEPTION constant.
static String	ERROR_EXCEPTION_TYPE	Defines the ERROR_EXCEPTION_TYPE constant.
static String	ERROR_MESSAGE	Defines the ERROR_MESSAGE constant.
static String	ERROR_REQUEST_URI	Defines the ERROR_REQUEST_URI constant.
static String	ERROR_SERVLET_NAME	Defines the ERROR_SERVLET_NAME constant.
static String	ERROR_STATUS_CODE	Defines the ERROR_STATUS_CODE constant.
static String	FORWARD_CONTEXT_PATH	Defines the FORWARD_CONTEXT_PATH constant.
static String	FORWARD_MAPPING	Defines the FORWARD_MAPPING constant.
static String	FORWARD_PATH_INFO	Defines the FORWARD_PATH_INFO constant.
static String	FORWARD_QUERY_STRING	Defines the FORWARD_QUERY_STRING constant.
static String	FORWARD_REQUEST_URI	Defines the FORWARD_REQUEST_URI constant.
static String	FORWARD_SERVLET_PATH	Defines the FORWARD_SERVLET_PATH constant.
static String	INCLUDE_CONTEXT_PATH	Defines the INCLUDE_CONTEXT_PATH constant.
static String	INCLUDE_MAPPING	Defines the INCLUDE_MAPPING constant.
static String	INCLUDE_PATH_INFO	Defines the INCLUDE_PATH_INFO constant.
static String	INCLUDE_QUERY_STRING	Defines the INCLUDE_QUERY_STRING constant.
static String	INCLUDE_REQUEST_URI	Defines the INCLUDE_REQUEST_URI constant.
static String	INCLUDE_SERVLET_PATH	Defines the INCLUDE_SERVLET_PATH constant.

Method Summary

Modifier and Type	Method	Description
void	forward(ServletRequest request, ServletResponse response)	Forward the request.
void	include(ServletRequest request, ServletResponse response)	Include into the request.

Field Detail

ERROR_EXCEPTION

static final String ERROR_EXCEPTION

Defines the ERROR_EXCEPTION constant.

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Constant Field Values

ERROR_EXCEPTION_TYPE

static final String ERROR_EXCEPTION_TYPE

Defines the ERROR_EXCEPTION_TYPE constant.

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Constant Field Values

ERROR_MESSAGE

static final String ERROR_MESSAGE

Defines the ERROR_MESSAGE constant.

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Constant Field Values

ERROR_REQUEST_URI

static final String ERROR_REQUEST_URI

Defines the ERROR_REQUEST_URI constant.

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Constant Field Values

ERROR_SERVLET_NAME

static final String ERROR_SERVLET_NAME

Defines the ERROR_SERVLET_NAME constant.

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Constant Field Values

ERROR_STATUS_CODE

static final String ERROR_STATUS_CODE

Defines the ERROR_STATUS_CODE constant.

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Constant Field Values

FORWARD_CONTEXT_PATH

static final String FORWARD_CONTEXT_PATH

Defines the FORWARD_CONTEXT_PATH constant.

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Constant Field Values

FORWARD_MAPPING

static final String FORWARD_MAPPING

Defines the FORWARD_MAPPING constant.

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Constant Field Values

FORWARD_PATH_INFO

static final String FORWARD_PATH_INFO

Defines the FORWARD_PATH_INFO constant.

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Constant Field Values

FORWARD_QUERY_STRING

static final String FORWARD_QUERY_STRING

Defines the FORWARD_QUERY_STRING constant.

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Constant Field Values

FORWARD_REQUEST_URI

static final String FORWARD_REQUEST_URI

Defines the FORWARD_REQUEST_URI constant.

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Constant Field Values

FORWARD_SERVLET_PATH

static final String FORWARD_SERVLET_PATH

Defines the FORWARD_SERVLET_PATH constant.

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Constant Field Values

INCLUDE_CONTEXT_PATH

static final String INCLUDE_CONTEXT_PATH

Defines the INCLUDE_CONTEXT_PATH constant.

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Constant Field Values

INCLUDE_MAPPING

static final String INCLUDE_MAPPING

Defines the INCLUDE_MAPPING constant.

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Constant Field Values

INCLUDE_PATH_INFO

static final String INCLUDE_PATH_INFO

Defines the INCLUDE_PATH_INFO constant.

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Constant Field Values

INCLUDE_QUERY_STRING

static final String INCLUDE_QUERY_STRING

Defines the INCLUDE_QUERY_STRING constant.

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Constant Field Values

INCLUDE_REQUEST_URI

static final String INCLUDE_REQUEST_URI

Defines the INCLUDE_REQUEST_URI constant.

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Constant Field Values

INCLUDE_SERVLET_PATH

static final String INCLUDE_SERVLET_PATH

Defines the INCLUDE_SERVLET_PATH constant.

See Also:

Constant Field Values

Method Detail

forward

void forward(ServletRequest request,
             ServletResponse response)
      throws IOException,
             ServletException

Forward the request.

Parameters:

request - the request.

response - the response

Throws:

IOException - when an I/O error occurs.

ServletException - when a servlet error occurs.

include

void include(ServletRequest request,
             ServletResponse response)
      throws IOException,
             ServletException

Include into the request.

Parameters:

request - the request.

response - the response.

Throws:

IOException - when an I/O error occurs.

ServletException - when a servlet error occurs.