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org.apache.catalina (Catalina Internal API Documentation)

Package org.apache.catalina

Interface Summary
Authenticator An Authenticator is a component (usually a Valve or Container) that provides some sort of authentication service.
Cluster A Cluster works as a Cluster client/server for the local host Different Cluster implementations can be used to support different ways to communicate within the Cluster.
Connector A Connector is a component responsible receiving requests from, and returning responses to, a client application.
Contained Decoupling interface which specifies that an implementing class is associated with at most one Container instance.
Container A Container is an object that can execute requests received from a client, and return responses based on those requests.
ContainerListener Interface defining a listener for significant Container generated events.
ContainerServlet A ContainerServlet is a servlet that has access to Catalina internal functionality, and is loaded from the Catalina class loader instead of the web application class loader.
Context A Context is a Container that represents a servlet context, and therefore an individual web applicaiton, in the Catalina servlet engine.
Deployer A Deployer is a specialized Container into which web applications can be deployed and undeployed.
Engine An Engine is a Container that represents the entire Catalina servlet engine.
Host A Host is a Container that represents a virtual host in the Catalina servlet engine.
HttpRequest An HttpRequest is the Catalina internal facade for an HttpServletRequest that is to be processed, in order to produce the corresponding HttpResponse.
HttpResponse An HttpResponse is the Catalina-internal facade for an HttpServletResponse that is to be produced, based on the processing of a corresponding HttpRequest.
InstanceListener Interface defining a listener for significant events related to a specific servlet instance, rather than to the Wrapper component that is managing that instance.
Lifecycle Common interface for component life cycle methods.
LifecycleListener Interface defining a listener for significant events (including "component start" and "component stop" generated by a component that implements the Lifecycle interface.
Loader A Loader represents a Java ClassLoader implementation that can be used by a Container to load class files (within a repository associated with the Loader) that are designed to be reloaded upon request, as well as a mechanism to detect whether changes have occurred in the underlying repository.
Logger A Logger is a generic interface for the message and exception logging methods of the ServletContext interface.
Manager A Manager manages the pool of Sessions that are associated with a particular Container.
Mapper Interface defining methods that a parent Container may implement to select a subordinate Container to process a particular Request, optionally modifying the properties of the Request to reflect the selections made.
Pipeline Interface describing a collection of Valves that should be executed in sequence when the invoke() method is invoked.
Realm A Realm is a read-only facade for an underlying security realm used to authenticate individual users, and identify the security roles associated with those users.
Request A Request is the Catalina-internal facade for a ServletRequest that is to be processed, in order to produce the corresponding Response.
Response A Response is the Catalina-internal facade for a ServletResponse that is to be produced, based on the processing of a corresponding Request.
Server A Server represents one convenient way to package a set of Connectors associated with a particular Container.
Service A Service is a group of one or more Connectors that share a single Container to process their incoming requests.
Session A Session is the Catalina-internal facade for an HttpSession that is used to maintain state information between requests for a particular user of a web application.
SessionListener Interface defining a listener for significant Session generated events.
Store A Store is the abstraction of a Catalina component that provides persistent storage and loading of Sessions and their associated user data.
Valve A Valve is a request processing component associated with a particular Container.
ValveContext A ValveContext is the mechanism by which a Valve can trigger the execution of the next Valve in a Pipeline, without having to know anything about the internal implementation mechanisms.
Wrapper A Wrapper is a Container that represents an individual servlet definition from the deployment descriptor of the web application.
 

Class Summary
ContainerEvent General event for notifying listeners of significant changes on a Container.
Globals Global constants that are applicable to multiple packages within Catalina.
InstanceEvent General event for notifying listeners of significant events related to a specific instance of a Servlet, or a specific instance of a Filter, as opposed to the Wrapper component that manages it.
LifecycleEvent General event for notifying listeners of significant changes on a component that implements the Lifecycle interface.
ServerFactory ServerFactory allows the registration of the (singleton) Server instance for this JVM, so that it can be accessed independently of any existing reference to the component hierarchy.
SessionEvent General event for notifying listeners of significant changes on a Session.
 

Exception Summary
LifecycleException General purpose exception that is thrown to indicate a lifecycle related problem.
 



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