JavaServer Pages, 3rd Edition

Name

JspFactory

Synopsis

The 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.

A JSP container creates an instance of a concrete subclass during its initialization phase and makes it globally available for use by JSP implementation classes by registering the instance via the static setDefaultFactory( ) method.

Synopsis

Class name:	javax.servlet.jsp.JspFactory
Extends:	None
Implements:	None
Implemented by:	Internal container-dependent class; most containers use the reference implementation of the class (developed in the Apache Jakarta project)

Constructor

public JspFactory( )

Creates a new JspFactory instance.

Methods

public static synchronized JspFactory getDefaultFactory( )

Returns the default JspFactory for the container.

public abstract JspEngineInfo getEngineInfo( )

Returns the JspEngineInfo for the container.

public abstract getPageContext getPageContext(javax.servlet.Servlet servlet, javax.servlet.ServletRequest request, javax.servlet.ServletResponse response, String errorPageURL, boolean needsSession, int buffer, boolean autoflush)

Returns a properly initialized instance of an implementation dependent PageContext subclass. This method is typically called early in the processing of the _jspService( ) method of a JSP implementation class to get a PageContext object for the request being processed. Calling ...