NAME

Wombat::Valve::ValveBase - valve base class

SYNOPSIS

DESCRIPTION

Convenience base implementation of Wombat::Valve. Subclasses MUST implement invoke() to provide the required functionality as well as getName().

CONSTRUCTOR

new()

Construct and return a Wombat::Valve::ValveBase instance, initializing fields appropriately. If subclasses override the constructor, they must be sure to call

  $self->SUPER::new();

ACCESSOR METHODS

getContainer()

Return the Container to which this Valve is attached.

setContainer($container)

Set the Container to which this Valve is attached.

Parameters:

$container

the Wombat::Container to which this Valve is attached.

PUBLIC METHODS

invoke ($request, $response, $context)

Perform request processing as required by this Valve.

Parameters

$request

the Wombat::Request to be processed

$response

the Wombat::Response to be created

$context

the Wombat::ValveContext allowing access to the next Valve in the Pipeline being processed

Throws:

Servlet::ServletException

if a servlet error occurs or is thrown by a subsequently invoked Valve, Filter or Servlet

Servlet::Util::IOException

if an input or output error occurs

PACKAGE METHODS

getName()

Return a short name for this Valve implementation. Must be overridden by subclasses.

LIFECYCLE METHODS

start()

Prepare for active use of this component. This method should be called before any of the public methods of the component are utilized.

Throws:

Wombat::LifecycleException

if the component has already been started

stop()

Gracefully terminate active use of this component. Once this method has been called, no public methods of the component should be utilized.

Throws:

Wombat::LifecycleException

if the component is not started

SEE ALSO

Servlet::ServletException, Servlet::Util::Exception, Wombat::Container, Wombat::Exception, Wombat::Valve, Wombat::ValveContext

AUTHOR

Brian Moseley, bcm@maz.org