Java tutorial
/* * To change this license header, choose License Headers in Project Properties. * To change this template file, choose Tools | Templates * and open the template in the editor. */ package com.rest.samples; import java.awt.Desktop; import java.io.File; import java.io.FileOutputStream; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import java.util.logging.Level; import java.util.logging.Logger; import org.apache.http.HttpResponse; import org.apache.http.client.HttpClient; import org.apache.http.client.methods.HttpGet; import org.apache.http.impl.client.HttpClientBuilder; import samples.use.httpclient.SamplesUseHttpclient; /** * * @author cuahutli * genera una conexin con jasperserver y obtine un reporte que almacena en disco realizando el login desde la misma url */ public class getReportFromJasperServer { public static void main(String[] args) { // TODO code application logic here String url = "http://username:password@10.49.28.3:8081/jasperserver/rest_v2/reports/Reportes/vencimientos.pdf?feini=2016-09-30&fefin=2016-09-30"; try { HttpClient hc = HttpClientBuilder.create().build(); HttpGet getMethod = new HttpGet(url); getMethod.addHeader("accept", "application/pdf"); HttpResponse res = hc.execute(getMethod); if (res.getStatusLine().getStatusCode() != 200) { throw new RuntimeException("Failed : HTTP eror code: " + res.getStatusLine().getStatusCode()); } InputStream is = res.getEntity().getContent(); OutputStream os = new FileOutputStream(new File("vencimientos.pdf")); int read = 0; byte[] bytes = new byte[2048]; while ((read = is.read(bytes)) != -1) { os.write(bytes, 0, read); } is.close(); os.close(); if (Desktop.isDesktopSupported()) { File pdfFile = new File("vencimientos.pdf"); Desktop.getDesktop().open(pdfFile); } } catch (IOException ex) { Logger.getLogger(SamplesUseHttpclient.class.getName()).log(Level.SEVERE, null, ex); } } }