org.mortbay.jetty.handler

Class ErrorHandler

java.lang.Object

org.mortbay.component.AbstractLifeCycle

org.mortbay.jetty.handler.AbstractHandler

org.mortbay.jetty.handler.ErrorHandler

All Implemented Interfaces:

org.mortbay.component.LifeCycle, Handler

Direct Known Subclasses:

ErrorPageErrorHandler

public class ErrorHandler
extends AbstractHandler

Handler for Error pages A handler that is registered at the org.mortbay.http.ErrorHandler context attributed and called by the HttpResponse.sendError method to write a error page.

Author:

Greg Wilkins (gregw)

Nested Class Summary

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

org.mortbay.component.LifeCycle.Listener

Field Summary

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

Constructors

Constructor and Description
ErrorHandler()

Method Summary

Methods

Modifier and Type	Method and Description
String	getCacheControl() Get the cacheControl.
void	handle(String target, HttpServletRequest request, HttpServletResponse response, int dispatch) Handle a request.
protected void	handleErrorPage(HttpServletRequest request, Writer writer, int code, String message)
boolean	isShowStacks()
void	setCacheControl(String cacheControl) Set the cacheControl.
void	setShowStacks(boolean showStacks)
protected void	write(Writer writer, String string)
protected void	writeErrorPage(HttpServletRequest request, Writer writer, int code, String message, boolean showStacks)
protected void	writeErrorPageBody(HttpServletRequest request, Writer writer, int code, String message, boolean showStacks)
protected void	writeErrorPageHead(HttpServletRequest request, Writer writer, int code, String message)
protected void	writeErrorPageMessage(HttpServletRequest request, Writer writer, int code, String message, String uri)
protected void	writeErrorPageStacks(HttpServletRequest request, Writer writer)

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

destroy, doStart, doStop, 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

Constructor Detail

ErrorHandler

public ErrorHandler()

Method Detail

handle

public void handle(String target,
          HttpServletRequest request,
          HttpServletResponse response,
          int dispatch)
            throws IOException

Description copied from interface: Handler

Handle a request.

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:

IOException

handleErrorPage

protected void handleErrorPage(HttpServletRequest request,
                   Writer writer,
                   int code,
                   String message)
                        throws IOException

Throws:

IOException

writeErrorPage

protected void writeErrorPage(HttpServletRequest request,
                  Writer writer,
                  int code,
                  String message,
                  boolean showStacks)
                       throws IOException

Throws:

IOException

writeErrorPageHead

protected void writeErrorPageHead(HttpServletRequest request,
                      Writer writer,
                      int code,
                      String message)
                           throws IOException

Throws:

IOException

writeErrorPageBody

protected void writeErrorPageBody(HttpServletRequest request,
                      Writer writer,
                      int code,
                      String message,
                      boolean showStacks)
                           throws IOException

Throws:

IOException

writeErrorPageMessage

protected void writeErrorPageMessage(HttpServletRequest request,
                         Writer writer,
                         int code,
                         String message,
                         String uri)
                              throws IOException

Throws:

IOException

writeErrorPageStacks

protected void writeErrorPageStacks(HttpServletRequest request,
                        Writer writer)
                             throws IOException

Throws:

IOException

getCacheControl

public String getCacheControl()

Get the cacheControl.

Returns:

the cacheControl header to set on error responses.

setCacheControl

public void setCacheControl(String cacheControl)

Set the cacheControl.

Parameters:

cacheControl - the cacheControl header to set on error responses.

isShowStacks

public boolean isShowStacks()

Returns:

True if stack traces are shown in the error pages

setShowStacks

public void setShowStacks(boolean showStacks)

Parameters:

showStacks - True if stack traces are shown in the error pages

write

protected void write(Writer writer,
         String string)
              throws IOException

Throws:

IOException