- In some cases, from the beans used in JSF applications, you will need to access the request parameters. For example, in the BusSearch.java, we accessed, the request parameters [Please check the previous JSF lesson].
- How to access: FacesContext context = FacesContext.getCurrentInstance();
- Some methods of FacesContext:
- Map getApplicationMap()
- String getInitParameter(java.lang.String name)
- Map getInitParameterMap()
- String getRemoteUser()
- Map getRequestCookieMap()
- Map getRequestHeaderMap()
- Map getRequestHeaderValuesMap()
- Map getRequestMap()
- Map getRequestParameterMap()
- Iterator getRequestParameterNames()
- Map getRequestParameterValuesMap()
- Map getSessionMap()
- Sample code:
FacesContext context = FacesContext.getCurrentInstance();
-
Map requestParams = context.getExternalContext().getRequestParameterMap();
-
String tripNum = (String) requestParams.get("tripNum");
From: http://sitestree.com/?p=4995
Categories:Java Short Notes
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Post Data:2007-08-18 13:22:28
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