The jakarta.servlet.jsp package contains a number of classes and interfaces that describe and define the contracts between a JSP page implementation class and the runtime environment provided for an instance of such a class by a conforming JSP container.
Interface Summary Interface Description HttpJspPageThe HttpJspPage interface describes the interaction that a JSP Page Implementation Class must satisfy when using the HTTP protocol. JspApplicationContextStores application-scoped information for the JSP container. JspPageThe JspPage interface describes the generic interaction that a JSP Page Implementation class must satisfy; pages that use the HTTP protocol are described by the HttpJspPage interface.
Class Summary Class Description ErrorDataContains information about an error, for error pages. JspContext
JspContextserves as the base class for the PageContext class and abstracts all information that is not specific to servlets.
JspEngineInfoThe JspEngineInfo is an abstract class that provides information on the current JSP engine. JspFactoryThe JspFactory is an abstract class that defines a number of factory methods available to a JSP page at runtime for the purposes of creating instances of various interfaces and classes used to support the JSP implementation. JspWriterThe actions and template data in a JSP page is written using the JspWriter object that is referenced by the implicit variable out which is initialized automatically using methods in the PageContext object. PageContextPageContext extends JspContext to provide useful context information for when JSP technology is used in a Servlet environment.
Exception Summary Exception Description JspExceptionA generic exception known to the JSP engine; uncaught JspExceptions will result in an invocation of the errorpage machinery. JspTagExceptionException to be used by a Tag Handler to indicate some unrecoverable error. SkipPageExceptionException to indicate the calling page must cease evaluation.