org.loom.tags.exception
Class DefaultErrorRenderer

java.lang.Object
  org.loom.tags.exception.DefaultErrorRenderer

All Implemented Interfaces:

ErrorRenderer

public class DefaultErrorRenderer
extends java.lang.Object
implements ErrorRenderer

If we are handling an http error, render the message and an explanation. If we are handling a java exception:

• If the exception implements LocaleAwareException and there is a MessagesRepository instance, render the translated message
• If the exception is in the list of rendered exceptions, render its message
• Else, render the default error message

Constructor Summary

DefaultErrorRenderer()

Method Summary

static void	addRenderedException(java.lang.Class<? extends java.lang.Throwable> exception) Add a exception that should be rendered on the web page
protected java.lang.String	createNewIssueNumber() Override this method to change the format of the issue number.
protected java.lang.String	getExceptionMessage(javax.servlet.http.HttpServletRequest request, java.lang.Throwable exception)
protected MessagesRepository	getMessagesRepository(javax.servlet.http.HttpServletRequest request) Return the messagesRepository instance.
void	renderError(WriterWrapper<?> out, javax.servlet.http.HttpServletRequest request)
void	setCleanStackTrace(boolean cleanStackTrace)
void	setLogRequest(boolean logRequest)
void	setMessageTag(java.lang.String messageTag)
void	setTitleTag(java.lang.String messageTag)

Methods inherited from class java.lang.Object

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

Constructor Detail

DefaultErrorRenderer

public DefaultErrorRenderer()

Method Detail

addRenderedException

public static void addRenderedException(java.lang.Class<? extends java.lang.Throwable> exception)

Add a exception that should be rendered on the web page

Parameters:

exception -

renderError

public void renderError(WriterWrapper<?> out,
                        javax.servlet.http.HttpServletRequest request)
                 throws java.io.IOException

Specified by:

renderError in interface ErrorRenderer

Throws:

java.io.IOException

getExceptionMessage

protected java.lang.String getExceptionMessage(javax.servlet.http.HttpServletRequest request,
                                               java.lang.Throwable exception)

Returns:

the exception message, translated if possible

createNewIssueNumber

protected java.lang.String createNewIssueNumber()

Override this method to change the format of the issue number.

getMessagesRepository

protected MessagesRepository getMessagesRepository(javax.servlet.http.HttpServletRequest request)

Return the messagesRepository instance. Note that this renderer is an error handler, so you should not suppose that there is a valid MessagesRepository. This method may return null if no instance is found.

setLogRequest

public void setLogRequest(boolean logRequest)

Specified by:

setLogRequest in interface ErrorRenderer

setCleanStackTrace

public void setCleanStackTrace(boolean cleanStackTrace)

Specified by:

setCleanStackTrace in interface ErrorRenderer

setTitleTag

public void setTitleTag(java.lang.String messageTag)

Specified by:

setTitleTag in interface ErrorRenderer

setMessageTag

public void setMessageTag(java.lang.String messageTag)

Specified by:

setMessageTag in interface ErrorRenderer