JSP 2.0 Expression Language - Implicit Objects


This example illustrates some of the implicit objects available in the Expression Language. The following implicit objects are available (not all illustrated here):
Change Parameter
foo =

EL Expression Result
${param.foo} bar 
${param["foo"]} bar 
${header["host"]} livelink-otds.cedefop.europa.eu 
${header["accept"]} text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8 
${header["user-agent"]} Mozilla/5.0 (compatible; NLUX_IAHarvester/3.3.0 +http://crawl.bnl.lu/)