package it.eng.spagobi.kpi.service;
import it.eng.spago.base.SourceBean;
import it.eng.spago.dispatching.action.AbstractHttpAction;
import it.eng.spagobi.analiticalmodel.document.bo.BIObject;
import it.eng.spagobi.commons.constants.SpagoBIConstants;
import it.eng.spagobi.commons.dao.DAOFactory;
import it.eng.spagobi.engines.exporters.KpiExporter;
import it.eng.spagobi.engines.kpi.bo.KpiResourceBlock;
import java.io.BufferedInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.util.List;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import org.apache.commons.collections.map.HashedMap;
import org.apache.log4j.Logger;
public class KpiExporterAction extends AbstractHttpAction {
private static transient Logger logger=Logger.getLogger(KpiExporterAction.class);
/**
* This action is called by the user who wants to export the result of a Kpi in PDF
*
*/
public void service(SourceBean serviceRequest, SourceBean serviceResponse)
throws Exception {
File tmpFile=null;
logger.debug("IN");
HttpServletRequest httpRequest = getHttpRequest();
HttpSession session=httpRequest.getSession();
this.freezeHttpResponse();
try{
// get KPI result
List<KpiResourceBlock> listKpiBlocks=(List<KpiResourceBlock>)session.getAttribute("KPI_BLOCK");
//List<KpiResourceBlock> listKpiBlocks=executeKpi(objectId);
// recover BiObject Name
Object idObject=serviceRequest.getAttribute(SpagoBIConstants.OBJECT_ID);
if(idObject==null){
logger.error("Document id not found");
return;
}
Integer id=Integer.valueOf(idObject.toString());
BIObject document=DAOFactory.getBIObjectDAO().loadBIObjectById(id);
String docName=document.getName();
//Recover user Id
HashedMap parameters=new HashedMap();
String userId=null;
Object userIdO=serviceRequest.getAttribute("user_id");
if(userIdO!=null)userId=userIdO.toString();
it.eng.spagobi.engines.exporters.KpiExporter exporter=new KpiExporter();
tmpFile=exporter.getKpiReportPDF(listKpiBlocks, document, userId);
String outputType = "PDF";
String mimeType = "application/pdf";
logger.debug("Report exported succesfully");
HttpServletResponse response = getHttpResponse();
response.setContentType(mimeType);
response.setHeader("Content-Disposition", "filename=\"report." + outputType + "\";");
response.setContentLength((int) tmpFile.length());
BufferedInputStream in = new BufferedInputStream(new FileInputStream(tmpFile));
int b = -1;
while ((b = in.read()) != -1) {
response.getOutputStream().write(b);
}
response.getOutputStream().flush();
in.close();
logger.debug("OUT");
} catch(Throwable e) {
logger.error("An exception has occured", e);
throw new Exception(e);
} finally {
tmpFile.delete();
}
}
}