Package org.apache.felix.http.base.internal.registry

Class ErrorPageRegistry

java.lang.Object

org.apache.felix.http.base.internal.registry.ErrorPageRegistry

public final class ErrorPageRegistry
extends Object

The error page registry keeps tracks of the active/inactive servlets handling error pages (error code and/or exception). This registry is per servlet context.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	ErrorPageRegistry.ErrorRegistration

Constructor Summary

Constructors

Constructor	Description
ErrorPageRegistry()

Method Summary

Modifier and Type	Method	Description
void	addServlet(@NotNull ServletHandler handler)	Add the servlet for error handling
void	cleanup()
ServletHandler	get(Throwable exception, int errorCode)	Get the servlet handling the error (error code or exception).
static @Nullable ErrorPageRegistry.ErrorRegistration	getErrorRegistration(@NotNull ServletInfo info)	Parse the registration properties of the servlet for error handling
void	getRuntimeInfo(org.osgi.service.http.runtime.dto.ServletContextDTO dto, Collection<org.osgi.service.http.runtime.dto.FailedErrorPageDTO> failedErrorPageDTOs)	Get DTOs for error pages.
void	removeServlet(@NotNull ServletInfo info, boolean destroy)	Remove the servlet from error handling

Methods inherited from class java.lang.Object

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

Constructor Detail

ErrorPageRegistry

public ErrorPageRegistry()

Method Detail

getErrorRegistration

@Nullable
public static @Nullable ErrorPageRegistry.ErrorRegistration getErrorRegistration(@NotNull
                                                                                 @NotNull ServletInfo info)

Parse the registration properties of the servlet for error handling

Parameters:

info - The servlet info

Returns:

An error registration object if the servlet handles errors

addServlet

public void addServlet(@NotNull
                       @NotNull ServletHandler handler)

Add the servlet for error handling

Parameters:

handler - The servlet handler.

removeServlet

public void removeServlet(@NotNull
                          @NotNull ServletInfo info,
                          boolean destroy)

Remove the servlet from error handling

Parameters:

info - The servlet info.

cleanup

public void cleanup()

get

public ServletHandler get(Throwable exception,
                          int errorCode)

Get the servlet handling the error (error code or exception). If an exception is provided, a handler for the exception is searched first. If no handler is found (or no exception provided) a handler for the error code is searched.

Parameters:

exception - Optional exception

errorCode - Error code

Returns:

The servlet handling the error or null

getRuntimeInfo

public void getRuntimeInfo(org.osgi.service.http.runtime.dto.ServletContextDTO dto,
                           Collection<org.osgi.service.http.runtime.dto.FailedErrorPageDTO> failedErrorPageDTOs)

Get DTOs for error pages.

Parameters:

dto - The servlet context DTO

failedErrorPageDTOs - The failed error page DTOs