javax.portlet - JBOSS Portal 2.2 API 英文版文档

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Package javax.portlet

Interface Summary
ActionRequest	The `ActionRequest` represents the request sent to the portlet to handle an action.
ActionResponse	The `ActionResponse` interface represents the portlet response to an action request.
PortalContext	The `PortalContext` interface gives the portlet the ability to retrieve information about the portal calling this portlet.
Portlet	The `Portlet` interface is used by the portlet container to invoke the portlets.
PortletConfig	The `PortletConfig` interface provides the portlet with its configuration.
PortletContext	The `PortletContext` interface defines a portlet view of the portlet container.
PortletPreferences	The `PortletPreferences` interface allows the portlet to store configuration data.
PortletRequest	The `PortletRequest` defines the base interface to provide client request information to a portlet.
PortletRequestDispatcher	The `PortletRequestDispatcher` interface defines an object that receives requests from the client and sends them to the specified resources (such as a servlet, HTML file, or JSP file) on the server.
PortletResponse	The `PortletResponse` defines the base interface to assist a portlet in creating and sending a response to the client.
PortletSession	The `PortletSession` interface provides a way to identify a user across more than one request and to store transient information about that user.
PortletURL	The `PortletURL` interface represents a URL that reference the portlet itself.
PreferencesValidator	The `PreferencesValidator` allows to validate the set of preferences of the associated portlet just before they are stored in the persistent store.
RenderRequest	The `RenderRequest` represents the request sent to the portlet to handle a render.
RenderResponse	The `RenderResponse` defines an object to assist a portlet in sending a response to the portal.

Class Summary

GenericPortlet The GenericPortlet class provides a default implementation for the Portlet interface.

PortletMode The PortletMode class represents the possible modes that a portlet can assume.

PortletSessionUtil The PortletSessionUtil class helps identify and decode attributes in the PORTLET_SCOPE scope of the PortletSession when accessed through the HttpSession an from within calls to methods of the HttpSessionBindingListener interface.

WindowState The WindowState class represents the possible window states that a portlet window can assume.

Exception Summary

PortletException The PortletException class defines a general exception that a portlet can throw when it is unable to perform its operation successfully.

PortletModeException The PortletModeException is thrown when a portlet tries to use or set a portlet mode that is not supported by the current runtime environment or the portlet.

PortletSecurityException A portlet should throw a PortletSecurityException when a call fails because of security reasons.
Additionally it can be thrown by the portal/portlet-container.

ReadOnlyException The ReadOnlyException is thrown when a portlet tries to change the value for a read-only preference attribute.

UnavailableException The portlet should throw the UnavailableException when the portlet is either temporarily or permanently unavailable to handle requests.

ValidatorException The ValidatorException is thrown by the validate method of a PreferencesValidator when the validation of a preference failed.

WindowStateException The WindowStateException is thrown when a portlet tries to use a window state that is not supported by the current runtime environment or the portlet.