viewdocumentpdf.jsp

企业级BI项目开发

<%--
Copyright (c) 2005, Engineering Ingegneria Informatica s.p.a.
All rights reserved.

Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:

    * Redistributions of source code must retain the above copyright notice, this list of 
      conditions and the following disclaimer.
      
    * Redistributions in binary form must reproduce the above copyright notice, this list of 
      conditions and the following disclaimer in the documentation and/or other materials 
      provided with the distribution.
      
    * Neither the name of the Engineering Ingegneria Informatica s.p.a. nor the names of its contributors may
      be used to endorse or promote products derived from this software without specific
      prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 
CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, 
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 
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CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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--%>

<%@page import="com.bo.rebean.wi.Report,
                it.eng.spagobi.engines.bo.BOConstants,
                com.bo.rebean.wi.BinaryView,
                com.bo.rebean.wi.OutputFormatType,
                com.bo.wibean.WIServerImpl,
                com.bo.rebean.wi.ReportEngine,
                com.bo.rebean.wi.DocumentInstance,
                com.bo.rebean.wi.Reports"%>
        
<%
	response.setHeader("Content-Type", "application/pdf");
	response.setDateHeader("expires", 0);
	response.setHeader("pragma", "public");
	response.setHeader("Cache-Control", "public");	

	WIServerImpl wiServer =  (WIServerImpl)application.getAttribute(BOConstants.WEBISERVER);
	wiServer.onStartPage(request, response); 
	ReportEngine reportEngine = (ReportEngine)session.getAttribute(BOConstants.REPORTENGINE);
  	String storageToken = (String)session.getAttribute(BOConstants.STORAGETOKEN);
  	DocumentInstance document = reportEngine.getDocumentFromStorageToken(storageToken);
  	int selectedReport = document.getSelectedReport();
  	Reports reports = document.getReports();
  	Report report = reports.getItem(selectedReport);
	
	try{
	    //transform the repot into bytes
	    BinaryView reportBinView = (BinaryView) report.getView(OutputFormatType.PDF);
	    byte[] repBinaryContent = reportBinView.getContent();
	    //visualize the PDF report
	    try{
	      response.setHeader("Content-disposition", "inline; filename=\"" + java.net.URLEncoder.encode(report.getName(), "UTF-8") + ".pdf\"");
	    }catch(java.io.UnsupportedEncodingException e){
	      System.out.println("UnsupportedEncodingException caught");
	    } 
	    response.setContentLength(repBinaryContent.length);
	    ServletOutputStream objServletOutputStream = response.getOutputStream();
	    objServletOutputStream.write(repBinaryContent, 0, repBinaryContent.length);
	    objServletOutputStream.flush();
	    objServletOutputStream.close();
	    wiServer.onEndPage();
	} catch (java.io.IOException IOe){
		System.out.println("IOException caught");
	}
%>