PortalRenderEngine (sakai-portal-api 22.1 API)

```
public interface PortalRenderEngine
```
Repesents the API used by the protal to comunicate with the RenderEngine implimentation.

Since:

Sakai 2.4

Version:

$Rev$

Author:

ieb

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`init()`	Initialise the render engine
`PortalRenderContext`	`newRenderContext(javax.servlet.http.HttpServletRequest request)`	generate a non thread safe render context for the current request/thread/operation
`void`	`render(String template, PortalRenderContext rcontext, Writer out)`	Render a PortalRenderContext against a template.
`void`	`setupForward(javax.servlet.http.HttpServletRequest req, javax.servlet.http.HttpServletResponse res, org.sakaiproject.tool.api.Placement p, String skin)`	prepare for a forward operation in the render engine, this might include modifying the request attributes.

- Method Detail
  - init
```
void init()
   throws Exception
```
    Initialise the render engine
    
    Throws:
    
    Exception
  - newRenderContext
```
PortalRenderContext newRenderContext(javax.servlet.http.HttpServletRequest request)
```
    generate a non thread safe render context for the current request/thread/operation
    
    Parameters:
    
    request -
    
    Returns:
  - render
```
void render(String template,
            PortalRenderContext rcontext,
            Writer out)
     throws Exception
```
    Render a PortalRenderContext against a template. The real template may be based on a skining name, out output will be send to the Writer
    
    Parameters:
    
    template -
    
    rcontext -
    
    out -
    
    Throws:
    
    Exception
  - setupForward
```
void setupForward(javax.servlet.http.HttpServletRequest req,
                  javax.servlet.http.HttpServletResponse res,
                  org.sakaiproject.tool.api.Placement p,
                  String skin)
```
    prepare for a forward operation in the render engine, this might include modifying the request attributes.
    
    Parameters:
    
    req -
    
    res -
    
    p -
    
    skin -