Important Update
The easy to understand coding guides help you check the features without any need to write your own code. ByteScout Cloud API Server helps with PDF to JSON API in C#. ByteScout Cloud API Server is the ready to deploy Web API Server that can be deployed in less than thirty minutes into your own in-house Windows server (no Internet connnection is required to process data!) or into private cloud server. Can store data on in-house local server based storage or in Amazon AWS S3 bucket. Processing data solely on the server using built-in ByteScout powered engine, no cloud services are used to process your data!.
If you want to speed up the application’s code writing then C# code samples for C# developers help to implement using ByteScout Cloud API Server. Follow the tutorial and copy – paste code for C# into your project’s code editor. Further improvement of the code will make it more robust.
ByteScout Cloud API Server – free trial version is available on our website. Also, there are other code samples to help you with your C# application included into trial version.
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using System;
using System.IO;
using System.Net;
using Newtonsoft.Json.Linq;
using System.Threading;
// Please NOTE: In this sample we're assuming Cloud Api Server is hosted at "https://localhost".
// If it's not then please replace this with with your hosting url.
// Cloud API asynchronous "PDF To JSON" job example.
// Allows to avoid timeout errors when processing huge or scanned PDF documents.
namespace ByteScoutWebApiExample
{
class Program
{
// Direct URL of source PDF file.
const string SourceFileUrl = "https://bytescout-com.s3.amazonaws.com/files/demo-files/cloud-api/pdf-to-json/sample.pdf";
// Comma-separated list of page indices (or ranges) to process. Leave empty for all pages. Example: '0,2-5,7-'.
const string Pages = "";
// PDF document password. Leave empty for unprotected documents.
const string Password = "";
// Destination JSON file name
const string DestinationFile = @".\result.json";
// (!) Make asynchronous job
const bool Async = true;
static void Main(string[] args)
{
// Create standard .NET web client instance
WebClient webClient = new WebClient();
// Prepare URL for `PDF To JSON` API call
string query = Uri.EscapeUriString(string.Format(
"https://localhost/pdf/convert/to/json?name={0}&password={1}&pages={2}&url={3}&async={4}",
Path.GetFileName(DestinationFile),
Password,
Pages,
SourceFileUrl,
Async));
try
{
// Execute request
string response = webClient.DownloadString(query);
// Parse JSON response
JObject json = JObject.Parse(response);
if (json["error"].ToObject<bool>() == false)
{
// Asynchronous job ID
string jobId = json["jobId"].ToString();
// URL of generated JSON file that will available after the job completion
string resultFileUrl = json["url"].ToString();
// Check the job status in a loop.
// If you don't want to pause the main thread you can rework the code
// to use a separate thread for the status checking and completion.
do
{
string status = CheckJobStatus(jobId); // Possible statuses: "working", "failed", "aborted", "success".
// Display timestamp and status (for demo purposes)
Console.WriteLine(DateTime.Now.ToLongTimeString() + ": " + status);
if (status == "success")
{
// Download JSON file
webClient.DownloadFile(resultFileUrl, DestinationFile);
Console.WriteLine("Generated JSON file saved as \"{0}\" file.", DestinationFile);
break;
}
else if (status == "working")
{
// Pause for a few seconds
Thread.Sleep(3000);
}
else
{
Console.WriteLine(status);
break;
}
}
while (true);
}
else
{
Console.WriteLine(json["message"].ToString());
}
}
catch (WebException e)
{
Console.WriteLine(e.ToString());
}
webClient.Dispose();
Console.WriteLine();
Console.WriteLine("Press any key...");
Console.ReadKey();
}
static string CheckJobStatus(string jobId)
{
using (WebClient webClient = new WebClient())
{
string url = "https://localhost/job/check?jobid=" + jobId;
string response = webClient.DownloadString(url);
JObject json = JObject.Parse(response);
return Convert.ToString(json["status"]);
}
}
}
}
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<?xml version="1.0" encoding="utf-8"?>
<packages>
<package id="Newtonsoft.Json" version="10.0.3" targetFramework="net40" />
</packages>
60 Day Free Trial or Visit ByteScout Cloud API Server Home Page
Explore ByteScout Cloud API Server Documentation
Explore Samples
Sign Up for ByteScout Cloud API Server Online Training
Get Your API Key
Explore Web API Docs
Explore Web API Samples
60 Day Free Trial or Visit ByteScout Cloud API Server Home Page
Explore ByteScout Cloud API Server Documentation
Explore Samples
Sign Up for ByteScout Cloud API Server Online Training
Get Your API Key
Explore Web API Docs
Explore Web API Samples