Package org.apache.tapestry.engine

Implementations of the IEngine interface, including the standard implementation: BaseEngine.

See:
Description

Interface Summary

IComponentClassEnhancer	A provider of enhanced classes, classes with new methods and new attributes, and possibly, implementing new Java interfaces.
IComponentMessagesSource	Defines an object that can provide a component with its IMessages.
IEngineService	A service, provided by the IEngine, for its pages and/or components.
IEngineServiceView	Additional methods implemented by the engine that are exposed to engine services.
ILink	Define a link that may be generated as part of a page render.
IMonitor	Basic support for application monitoring and metrics.
IMonitorFactory	Interface for an object that can create a IMonitor instance for a particular RequestContext.
IPageLoader	Interface exposed to components as they are loaded by the page loader.
IPageRecorder	Defines an object that can observe changes to properties of a page and its components, store the state of the page between request cycles, and restore a page's state on a subsequent request cycle.
IPageSource	Abstracts the process of loading pages from thier specifications as well as pooling of pages once loaded.
IPropertySource	A source for configuration properties.
IScriptSource	Provides access to an IScript.
ISpecificationSource	Defines access to component specifications.
ITemplateSource	A source of localized HTML templates for components.
ITemplateSourceDelegate	Acts as a delegate to the ITemplateSource, providing access to page and component templates after the normal search mechanisms have failed.

Class Summary

AbstractEngine	Basis for building real Tapestry applications.
AbstractService	Abstract base class for implementing engine services.
ActionService	A context-sensitive service related to Form and ActionLink.
BaseEngine	Concrete implementation of IEngine used for ordinary applications.
BSFManagerPoolableAdaptor	Allows a Pool to properly terminate a BSFManager when it is discarded.
ComponentMessages	Implementation of IMessages.
DefaultComponentMessagesSource	Global object (stored in the servlet context) that accesses localized properties for a component.
DefaultMonitorFactory	Implementation of IMonitorFactory that returns the NullMonitor.
DefaultScriptSource	Provides basic access to scripts available on the classpath.
DefaultSpecificationSource	Default implementation of ISpecificationSource that expects to use the normal class loader to locate component specifications from within the classpath.
DefaultTemplateSource	Default implementation of ITemplateSource.
DirectService	Implementation of the direct service, which encodes the page and component id in the service context, and passes application-defined parameters as well.
EngineServiceLink	A EngineServiceLink represents a possible action within the client web browser; either clicking a link or submitting a form, which is constructed primarily from the servlet path, with some additional query parameters.
ExternalService	The external service enables external applications to reference Tapestry pages via a URL.
HomeService	An implementation of the home service that renders the Home page.
Namespace	Implementation of INamespace that works with a ISpecificationSource to obtain page and component specifications as needed.
NullMonitor	Null implementation of IMonitor.
NullTemplateSourceDelegate	Null implementation of ITemplateSourceDelegate.
NullWriter	A IMarkupWriter that does absolutely nothing; this is used during the rewind phase of the request cycle when output is discarded anyway.
PageService	Basic server for creating a link to another page in the application.
RequestCycle	Provides the logic for processing a single request cycle.
ResetService	ServiceLink used to discard all cached data (templates, specifications, et cetera).
RestartService	Restarts the Tapestry application.
TagSupportService	A very specialized service used by JSPs to access Tapestry URLs.
TemplateParserDelegateImpl	Basic implementation of the ITemplateParserDelegate interface.

Package org.apache.tapestry.engine Description

Implementations of the IEngine interface, including the standard implementation: BaseEngine. Also located here are default implementations of all the basic support objects, including RequestCycle (which implements IRequestCycle).

Author:

Howard Lewis Ship hlship@apache.org