@RequestMapping(value="/getleadreport", method = RequestMethod.POST)
    public byte[] PDF(HttpServletResponse httpServletResponse) throws JRException, IOException, ClassNotFoundException {
        simpleReport();
         ByteArrayOutputStream baos = new ByteArrayOutputStream();
        ServletOutputStream servletOutputStream = httpServletResponse.getOutputStream();
        JasperExportManager.exportReportToPdfStream(jasperPrint,baos);

        System.out.println("Addee");
       /* httpServletResponse.setHeader("Content-Disposition", "inline; filename=file.pdf");
        httpServletResponse.setContentType("application/pdf");*/
        System.out.println(baos.toByteArray());
        //System.out.println(new String(baos.toByteArray(), "UTF-8"));


        OutputStream os = httpServletResponse.getOutputStream();
        httpServletResponse.setHeader("Content-Disposition", "inline; filename=file.pdf");
        httpServletResponse.setContentType("application/pdf");
       /* httpServletResponse.setStatus(HttpServletResponse.SC_OK);
        httpServletResponse.setHeader("Cache-Control","private, must-revalidate, post-check=0, pre-check=0, max-age=1");
        httpServletResponse.setHeader("Pragma","public"); */
        os.write(baos.toByteArray());
        os.close();


        /*Map<String, byte[]> output =new HashMap<String, byte[]>();

            //output.put("success",true);
            output.put("data",baos.toByteArray());

        return output;
        */
        return baos.toByteArray();


    }

    public void simpleReport() throws ClassNotFoundException {
        try {
            JasperReport jasperReport= JasperCompileManager.compileReport("D://new_prject//workforceapi//WebContent//jasper//ss.jrxml");
            HashMap<String , Integer> jasperParameter = new HashMap<String , Integer>();
            jasperParameter.put("company_id", 2);
            jasperParameter.put("web_id", 2);
            Connection connection = Connectiom.establishConnection();
            jasperPrint = JasperFillManager.fillReport(jasperReport,jasperParameter,connection);
            String property = System.getProperty( "catalina.home" );
            JasperExportManager.exportReportToPdfFile(jasperPrint, property+"\webapps\jasper\report.pdf");

        } catch (JRException ex) {
            ex.printStackTrace();
        }
    }

    @RequestMapping(value = "/getleadreport11", method = RequestMethod.POST)
    public @ResponseBody
    InputStream retrievePDFFile() throws FileNotFoundException
    {
         String property = System.getProperty( "catalina.home" );
        InputStream inputStream = new FileInputStream(property+"\webapps\jasper\report.pdf");
        return inputStream;
    }

workforce.config(['$stateProvider', '$urlRouterProvider',function($stateProvider, $urlRouterProvider) {
    $stateProvider

    .state('report_dashboard.report_opportunity',{
        url : '/report_opportunity',
        templateUrl : 'app/report/report_opportunity/report_sample.html',
        controller : function($scope,companyservice,$state,Auth,$http,$sce) {

            $scope.user = {companyId:Auth.companyId,webUserId:Auth.webUserId};
        //  $scope.user = {user:"Manish@trinitymobility.com",pass:"123456"}
            $scope.loadCompanies = function () {
                $scope.content = {};
                console.log('in');
                //$http.post(server_url+'getleadreport', {responseType:'arraybuffer'}).success( function(response) {


              $http.post(server_url+'getleadreport',{responseType: 'arraybuffer'}).success(function(response){
                    console.log(" responce is : "+response);
                     var file = new Blob([response], {type: 'application/pdf'});
                     console.log(" file is : "+file);
                     var fileURL = URL.createObjectURL(file);

                      // document.getElementById('visualizador').setAttribute('src',fileURL);
                       //$scope.content = fileURL;
                       console.log(" fileURL is : "+fileURL);
                       $scope.content = $sce.trustAsResourceUrl(fileURL);
                       console.log("content is : " + $scope.content);
                      window.open(fileURL);
                      // window.open(fileURL,'Download');
                 });
              };
              //$scope.loadCompanies();
        },
        data : {requireLogin : true,name: 'report'},
    });

}]);

<div class="container-fluid"  id="table-content-wrapper">
<!-- Row start -->
  <div class="row">
    <div class="col-xs-12">
      <div class="panel panel-default">
        <div class="panel-heading clearfix">
          <i class="icon-calendar"></i>
          <h3 class="panel-title">Lead</h3>
        </div>


        <div class="panel-body table-responsive">
        <div>
        <button type="button"  class="btn btn-sm btn-success" ng-click="loadCompanies()">
            <i class="glyphicon glyphicon-plus" >

            </i>
             Add
        </button>
        <!-- <iframe id="visualizador"></iframe> -->
        <object  ng-src="{{content}}" style="width:200px;height:200px;"></object >
      </div>
    </div>
  </div>
  <!-- Row end -->
</div>