package com.hmkcode;

import net.sf.jasperreports.engine.*;

import net.sf.jasperreports.engine.data.JRBeanCollectionDataSource;

import org.springframework.util.ResourceUtils;

import java.io.*;

import java.util.*;

public class App

{

// name and destination of output file e.g. "report.pdf"

private static String destFileName = "report.pdf";

public static void main( String[] args ) throws FileNotFoundException, JRException {

System.out.println( "generating jasper report..." );

// 1. compile template ".jrxml" file

JasperReport jasperReport = getJasperReport();

// 2. parameters "empty"

Map<String, Object> parameters = getParameters();

// 3. datasource "java object"

JRDataSource dataSource = getDataSource();

JasperPrint jasperPrint = JasperFillManager.fillReport(jasperReport, parameters, dataSource);

JasperExportManager.exportReportToPdfFile(jasperPrint, destFileName);

}

private static JasperReport getJasperReport() throws FileNotFoundException, JRException {

File template = ResourceUtils.getFile("classpath:report.jrxml");

return JasperCompileManager.compileReport(template.getAbsolutePath());

}

private static Map<String, Object> getParameters(){

Map<String, Object> parameters = new HashMap<>();

parameters.put("createdBy", "hmkcode");

return parameters;

}

private static JRDataSource getDataSource(){

List<Country> countries = new LinkedList<>();

countries.add(new Country("IS", "Iceland", "https://i.pinimg.com/originals/72/b4/49/72b44927f220151547493e528a332173.png"));

countries.add(new Country("TR", "Turkey", "https://i.pinimg.com/originals/82/63/23/826323bba32e6e5a5996062c3a3c662f.png"));

countries.add(new Country("ZA", "South Africa", "https://i.pinimg.com/originals/f5/c7/8d/f5c78da001b46e26481c04fb93473454.png"));

countries.add(new Country("PL", "Poland", "https://i.pinimg.com/originals/7f/ae/21/7fae21c4854010b11127218ead743863.png"));

countries.add(new Country("CA", "Canada", "https://i.pinimg.com/originals/4d/d4/01/4dd401733ba25e6442fc8696e04e5846.png"));

countries.add(new Country("PA", "Panama", "https://i.pinimg.com/originals/84/dc/e4/84dce49e52ebfb5b3814393069807e0a.png"));

countries.add(new Country("HR", "Croatia", "https://i.pinimg.com/originals/f5/8c/94/f58c94a2a2b3221328fc1e2b7acfa656.png"));

countries.add(new Country("JP", "Japan", "https://i.pinimg.com/originals/a5/d6/88/a5d688289cd6850016f14fe93b17da01.png"));

countries.add(new Country("DE", "Germany", "https://i.pinimg.com/originals/af/c9/b2/afc9b2592a9f1cf591e8a52256ae1e9f.png"));

countries.add(new Country("BR", "Brazil", "https://i.pinimg.com/originals/e4/03/c4/e403c4447a3bd8940459ae4f50856bed.png"));

return new JRBeanCollectionDataSource(countries);

}

}