public Object resolveVariable ( String pName , Object pContext ) throws ELException { PageContext ctx = ( PageContext ) pContext ; // Check for implicit objects if ( "pageContext" . equals ( pName ) ) { return ctx ; } else if ( "pageScope" . equals ( pName ) ) { return ImplicitObjects . getImplicitObjects ( ctx ) . getPageScopeMap ( ) ; } else if ( "requestScope" . equals ( pName ) ) { return ImplicitObjects . getImplicitObjects ( ctx ) . getRequestScopeMap ( ) ; } else if ( "sessionScope" . equals ( pName ) ) { return ImplicitObjects . getImplicitObjects ( ctx ) . getSessionScopeMap ( ) ; } else if ( "applicationScope" . equals ( pName ) ) { return ImplicitObjects . getImplicitObjects ( ctx ) . getApplicationScopeMap ( ) ; } else if ( "param" . equals ( pName ) ) { return ImplicitObjects . getImplicitObjects ( ctx ) . getParamMap ( ) ; } else if ( "paramValues" . equals ( pName ) ) { return ImplicitObjects . getImplicitObjects ( ctx ) . getParamsMap ( ) ; } else if ( "header" . equals ( pName ) ) { return ImplicitObjects . getImplicitObjects ( ctx ) . getHeaderMap ( ) ; } else if ( "headerValues" . equals ( pName ) ) { return ImplicitObjects . getImplicitObjects ( ctx ) . getHeadersMap ( ) ; } else if ( "initParam" . equals ( pName ) ) { return ImplicitObjects . getImplicitObjects ( ctx ) . getInitParamMap ( ) ; } else if ( "cookie" . equals ( pName ) ) { return ImplicitObjects . getImplicitObjects ( ctx ) . getCookieMap ( ) ; } // Otherwise, just look it up in the page context else { return ctx . findAttribute ( pName ) ; } }
Resolves the specified variable within the given context . Returns null if the variable is not found .