Make (PDF) Report using iReport & Java (2)

After succesfully made a template report (*.jrxml & *.jasper) using iReport tools, the next step is to ‘call’ the *.jasper file so it can be printed by a web application page using Java (JSP). This is the steps that we need to do that (according to the author experiences).

1. Prepare these libraries, usually it’s already available on ‘lib’ directory in iReport installation folder.
   • commons-beanutils-1.7.jar
   • commons-collections-2.1.jar
   • commons-digester-1.7.jar
   • iReport.jar
   • itext-1.3.1.jar
   • jasperreports-3.0.0.jar
   • jstl.jar
   • mysql-connector-java-3.1.11-bin.jar
   • poi-3.0.1-FINAL-20070705.jar
   • standard.jar
   • xalan.jar
   Then, we have to copy that’s files to ‘lib’ directory on ‘WEB-INF’ in a web project. Below the screenshoot of Eclipse IDE.
   
   
2. Now, we can create a simple JSP file, as example, we name it as ‘employeereport.jsp’ :
   • Import package/class
     <%@ page import="java.io.*, java.util.*, net.sf.jasperreports.engine.*, net.sf.jasperreports.engine.export.*" %>
   • Define the taglib
     <%@ page pageEncoding="UTF-8" %>
<%@ taglib uri="http://java.sun.com/jstl/core" prefix="c" %>
<%@ taglib uri="http://java.sun.com/jstl/core_rt" prefix="c-rt" %>
<%@ taglib uri="http://java.sun.com/jstl/fmt" prefix="fmt" %>
<%@ taglib uri="http://java.sun.com/jstl/fmt_rt" prefix="fmt-rt" %>
   • Type these code/scriptlet
     <%
Map parameters = null;
JRExporter jrExporter = null;
//locate the file & its path *.jasper in this example is ‘BasicFeatures.jasper’
JasperPrint jasperPrint =
JasperFillManager.fillReport(
application.getRealPath("/hrdapp/report/jasper/BasicFeatures.jasper"), parameters, new JREmptyDataSource());OutputStream outputStream = response.getOutputStream();
response.setContentType("application/pdf");
jrExporter = new JRPdfExporter();
jrExporter.setParameter(JRExporterParameter.JASPER_PRINT, jasperPrint);
jrExporter.setParameter(JRExporterParameter.OUTPUT_STREAM, outputStream);
jrExporter.exportReport();
outputStream.close();
%>
3. And now, we can access on localhost and we can get a PDF file output

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