RelatoriosUtils.java

package br.com.support.sinc.core.util;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.util.ArrayList;
import java.util.HashMap;

import net.sf.jasperreports.engine.JasperCompileManager;
import net.sf.jasperreports.engine.JasperFillManager;
import net.sf.jasperreports.engine.JasperPrint;
import net.sf.jasperreports.engine.data.JRBeanCollectionDataSource;
import net.sf.jasperreports.engine.export.JRPdfExporter;
import net.sf.jasperreports.export.Exporter;
import net.sf.jasperreports.export.SimpleExporterInput;
import net.sf.jasperreports.export.SimpleOutputStreamExporterOutput;

public class RelatoriosUtils {
	
	public static void main(String[] args) {
		File entrada = new File("/home/nenodias/Downloads/sample.jrxml");
		File saida = new File("/home/nenodias/Downloads/sample.jasper");
		File relatorio = new File("/home/nenodias/Downloads/sample.pdf");
		try {
			FileInputStream input = new FileInputStream(entrada);
			FileOutputStream output = new FileOutputStream(saida);
			JasperCompileManager.compileReportToStream(input, output);
			
			//Imprimir
			FileInputStream inputRelatorio = new FileInputStream(entrada);
			
			JRBeanCollectionDataSource beanCollectionDataSource = new JRBeanCollectionDataSource(new ArrayList<>());
			JasperPrint jasperPrint = JasperFillManager.fillReport(saida.getAbsolutePath(), new HashMap<>(), beanCollectionDataSource);
			//JasperPrintManager.printReport(jasperPrint, true);
			
			Exporter exporter = new JRPdfExporter();
			SimpleExporterInput itemsInput = new SimpleExporterInput(jasperPrint);
			SimpleOutputStreamExporterOutput itemOutput = new SimpleOutputStreamExporterOutput(relatorio);
			exporter.setExporterInput(itemsInput);
			exporter.setExporterOutput(itemOutput);
            exporter.exportReport();
		}catch(Exception ex) {
			ex.printStackTrace();
		}
		
	}
	
}