org.mortbay.jetty.servlet
Class ErrorPageErrorHandler

java.lang.Object
  org.mortbay.component.AbstractLifeCycle
      org.mortbay.jetty.handler.AbstractHandler
          org.mortbay.jetty.handler.ErrorHandler
              org.mortbay.jetty.servlet.ErrorPageErrorHandler

All Implemented Interfaces:

LifeCycle, Handler

public class ErrorPageErrorHandler
extends ErrorHandler

Error Page Error Handler An ErrorHandler that maps exceptions and status codes to URIs for dispatch using the internal ERROR style of dispatch.

Author:

gregw

Nested Class Summary

Nested classes/interfaces inherited from interface org.mortbay.component.LifeCycle

LifeCycle.Listener

Field Summary

protected java.util.List	_errorPageList
protected java.util.Map	_errorPages
protected javax.servlet.ServletContext	_servletContext

Fields inherited from class org.mortbay.jetty.handler.AbstractHandler

_string

Fields inherited from class org.mortbay.component.AbstractLifeCycle

_listeners

Fields inherited from interface org.mortbay.jetty.Handler

ALL, DEFAULT, ERROR, FORWARD, INCLUDE, REQUEST

Constructor Summary

ErrorPageErrorHandler()

Method Summary

void	addErrorPage(java.lang.Class exception, java.lang.String uri) Add Error Page mapping for an exception class This method is called as a result of an exception-type element in a web.xml file or may be called directly
void	addErrorPage(int from, int to, java.lang.String uri) Add Error Page mapping for a status code range.
void	addErrorPage(int code, java.lang.String uri) Add Error Page mapping for a status code.
protected void	doStart()
protected void	doStop()
java.util.Map	getErrorPages()
void	handle(java.lang.String target, javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response, int dispatch) Handle a request.
void	setErrorPages(java.util.Map errorPages)

Methods inherited from class org.mortbay.jetty.handler.ErrorHandler

getCacheControl, handleErrorPage, isShowStacks, setCacheControl, setShowStacks, write, writeErrorPage, writeErrorPageBody, writeErrorPageHead, writeErrorPageMessage, writeErrorPageStacks

Methods inherited from class org.mortbay.jetty.handler.AbstractHandler

destroy, getServer, setServer, toString

Methods inherited from class org.mortbay.component.AbstractLifeCycle

addLifeCycleListener, isFailed, isRunning, isStarted, isStarting, isStopped, isStopping, removeLifeCycleListener, start, stop

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.mortbay.component.LifeCycle

addLifeCycleListener, isFailed, isRunning, isStarted, isStarting, isStopped, isStopping, removeLifeCycleListener, start, stop

Field Detail

_servletContext

protected javax.servlet.ServletContext _servletContext

_errorPages

protected java.util.Map _errorPages

_errorPageList

protected java.util.List _errorPageList

Constructor Detail

ErrorPageErrorHandler

public ErrorPageErrorHandler()

Parameters:

context -

Method Detail

handle

public void handle(java.lang.String target,
                   javax.servlet.http.HttpServletRequest request,
                   javax.servlet.http.HttpServletResponse response,
                   int dispatch)
            throws java.io.IOException

Description copied from interface: Handler

Handle a request.

Specified by:

handle in interface Handler

Overrides:

handle in class ErrorHandler

Parameters:

target - The target of the request - either a URI or a name.

request - The request either as the Request object or a wrapper of that request. The HttpConnection.getCurrentConnection() method can be used access the Request object if required.

response - The response as the Response object or a wrapper of that request. The HttpConnection.getCurrentConnection() method can be used access the Response object if required.

dispatch - The dispatch mode: Handler.REQUEST, Handler.FORWARD, Handler.INCLUDE, Handler.ERROR

Throws:

java.io.IOException

getErrorPages

public java.util.Map getErrorPages()

Returns:

Returns the errorPages.

setErrorPages

public void setErrorPages(java.util.Map errorPages)

Parameters:

errorPages - The errorPages to set. A map of Exception class name or error code as a string to URI string

addErrorPage

public void addErrorPage(java.lang.Class exception,
                         java.lang.String uri)

Add Error Page mapping for an exception class This method is called as a result of an exception-type element in a web.xml file or may be called directly

Parameters:

code - The class (or superclass) of the matching exceptions

uri - The URI of the error page.

addErrorPage

public void addErrorPage(int code,
                         java.lang.String uri)

Add Error Page mapping for a status code. This method is called as a result of an error-code element in a web.xml file or may be called directly

Parameters:

code - The HTTP status code to match

uri - The URI of the error page.

addErrorPage

public void addErrorPage(int from,
                         int to,
                         java.lang.String uri)

Add Error Page mapping for a status code range. This method is not available from web.xml and must be called directly.

Parameters:

from - The lowest matching status code

to - The highest matching status code

uri - The URI of the error page.

doStart

protected void doStart()
                throws java.lang.Exception

Overrides:

doStart in class AbstractHandler

Throws:

java.lang.Exception

doStop

protected void doStop()
               throws java.lang.Exception

Overrides:

doStop in class AbstractHandler

Throws:

java.lang.Exception