Name
config
Synopsis
The config
variable contains a reference to a
ServletConfig
instance. A web container uses a
ServletConfig
instance to pass information to a
servlet or JSP page during initialization. The configuration
information contains initialization parameters (defined in the web
application deployment descriptor) and the
ServletContext
object representing the web
application the servlet or JSP page belongs to.
Synopsis
Variable name: |
config |
EL expression |
${pageContext.servletConfig} |
Interface name: |
javax.servlet.ServletConfig |
Extends: |
None |
Implemented by: |
Internal container-dependent class |
JSP page type: |
Available in both regular JSP pages and error pages |
Methods
-
public String getInitParameter(String name)
Returns a
String
containing the value of the specified servlet or JSP page initialization parameter ornull
if the parameter does not exist.-
public java.util.Enumeration getInitParameterNames( )
Returns the names of the servlet’s or JSP page’s initialization parameters as an Enumeration of
String
objects or an emptyEnumeration
if the servlet has no initialization parameters.-
public ServletContext getServletContext( )
Returns a reference to the
ServletContext
the servlet or JSP page belongs to.-
public String getServletName( )
Returns the name of this servlet instance or JSP page. The name may be assigned in the web application deployment descriptor. For an unregistered (and thus unnamed) servlet instance or JSP page, the servlet’s class name is returned.
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