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Pluggable storage. Implement this class to change the storage concept which Cewolf uses to store chart imanges and provide the implementation class name as init paramter storage for Cewolf servlet.
Method Summary | |
ChartImage |
getChartImage(java.lang.String id,
javax.servlet.http.HttpServletRequest request)
Retrieves a chart image. |
void |
init(javax.servlet.ServletContext servletContext)
Method init. |
java.lang.String |
removeChartImage(java.lang.String imgId,
javax.servlet.http.HttpServletRequest request)
Removes the image from the storage |
java.lang.String |
storeChartImage(ChartImage chartImage,
javax.servlet.jsp.PageContext pageContext)
Stores a chart image. |
Method Detail |
public java.lang.String storeChartImage(ChartImage chartImage, javax.servlet.jsp.PageContext pageContext) throws CewolfException
CewolfException
public ChartImage getChartImage(java.lang.String id, javax.servlet.http.HttpServletRequest request)
id
- the id of the imagerequest
- the request
public void init(javax.servlet.ServletContext servletContext) throws CewolfException
servletContext
-
CewolfException
public java.lang.String removeChartImage(java.lang.String imgId, javax.servlet.http.HttpServletRequest request) throws CewolfException
imgId
- Image idrequest
- Servlet request
CewolfException
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