package com.yc.servlet;

import java.io.File;
import java.io.IOException;
import java.nio.file.Files;
import java.util.List;
import java.util.Map;

import javax.servlet.ServletException;
import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import com.yc.service.impl.DBHelper;
import com.yc.utils.SessionKey;

import net.sf.jasperreports.engine.JRException;
import net.sf.jasperreports.engine.JRExporterParameter;
import net.sf.jasperreports.engine.JRImageRenderer;
import net.sf.jasperreports.engine.JRPrintPage;
import net.sf.jasperreports.engine.JasperPrint;
import net.sf.jasperreports.engine.export.JRRtfExporter;
import net.sf.jasperreports.engine.fill.JRTemplatePrintImage;
import net.sf.jasperreports.engine.util.FileBufferedOutputStream;

/**
 * 直接生成到本地，完成
 * 
 * @author pengbei
 * 
 */
public class RtfServlet extends HttpServlet {

    /**
     * 
     */
    private static final long serialVersionUID = 1L;

    public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
	doPost(request, response);
    }

    public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
    	
	FileBufferedOutputStream fbos = new FileBufferedOutputStream();
	JRRtfExporter exporter = new JRRtfExporter();
	String printName ="";
	try {
		Map<String, Object> retMap = BuildFormat.getParam(request, response);
		 printName = new String(retMap.get(BuildFormat.PRINT_NAME).toString().getBytes("gb2312"), "ISO_8859_1");
		@SuppressWarnings("unchecked")
		Map<String, Object> map = (Map<String, Object>) retMap.get(BuildFormat.MAP_PARM);
	    List<JasperPrint> jasperPrintList = null;
	    jasperPrintList=BuildFormat.getJasperPrintList(retMap.get(BuildFormat.JRXML_PATH).toString(), map);	    	
	    for(int i=0;i<jasperPrintList.get(0).getPages().size();i++){
	    JRPrintPage stPage=jasperPrintList.get(0).getPages().get(i);  	   
	    for(Object o:stPage.getElements()){
	       if(o instanceof JRTemplatePrintImage){			 
		String ury = request.getSession().getServletContext().getRealPath("/").replaceAll("\\\\","/")+"/";
		JRImageRenderer jri=(JRImageRenderer)((JRTemplatePrintImage)o).getRenderer();
		if(jri==null){
		    String jrit=((JRTemplatePrintImage)o).getAnchorName();
		    if(jrit!=null&&!jrit.equals("")){
		     ury=ury+jrit;
		     File file = new File(ury) ;
		    ((JRTemplatePrintImage) o).setRenderer(JRImageRenderer.getInstance(Files.readAllBytes(file.toPath())));//对pdf报表的图片路径进行处理	
		    }else {
			 ((JRTemplatePrintImage) o).setRenderer(null);
		    }
		}
		if(jri!=null&&jri.getImageLocation()!=null){		  
		    if(!jri.getImageLocation().equals("")){			
		    ury=ury+jri.getImageLocation();  
		    File file = new File(ury) ;
		    ((JRTemplatePrintImage) o).setRenderer(JRImageRenderer.getInstance(Files.readAllBytes(file.toPath())));//对pdf报表的图片路径进行处理	
		}else {
		    ((JRTemplatePrintImage) o).setRenderer(null);
		}
		}
	       }else{		  
		   continue;
	       }
	   }
	    }
	    exporter.setParameter(JRExporterParameter.JASPER_PRINT,jasperPrintList);
	} catch (Exception e1) {
	    e1.printStackTrace();
	}
	exporter.setParameter(JRExporterParameter.OUTPUT_STREAM, fbos);
	try {
	    exporter.exportReport();
	} catch (JRException e) {
	    e.printStackTrace();
	}
	fbos.close();
	response.setContentType("application/rtf");
	response.setHeader("Content-Disposition", "inline; filename=\"" + printName + ".rtf\"");
	response.setContentLength(fbos.size());
	ServletOutputStream ouputStream = response.getOutputStream();
	fbos.writeData(ouputStream);
	fbos.dispose();
	ouputStream.flush();
	if (ouputStream != null) try {
	    ouputStream.close();
	} catch (IOException ex) {
	}
    }
}