ByteScout Cloud API Server - PDF To XML API - JavaScript - Convert PDF To XML From Uploaded File (Node.js) - Async API - ByteScout

ByteScout Cloud API Server – PDF To XML API – JavaScript – Convert PDF To XML From Uploaded File (Node.js) – Async API

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How to convert PDF to XML from uploaded file (node for PDF to XML API in JavaScript using ByteScout Cloud API Server

Step-by-step tutorial:How to convert PDF to XML from uploaded file (node to have PDF to XML API in JavaScript

This page displays the step-by-step instructions and algorithm of how to convert PDF to XML from uploaded file (node and how to apply it in your application. ByteScout Cloud API Server helps with PDF to XML API in JavaScript. ByteScout Cloud API Server is the ready to use Web API Server that can be deployed in less than 30 minutes into your own in-house server 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 buil-in ByteScout powered engine, no cloud services are used to process your data!.

The SDK samples displayed below below explain how to quickly make your application do PDF to XML API in JavaScript with the help of ByteScout Cloud API Server. Open your JavaScript project and simply copy & paste the code and then run your app! This basic programming language sample code for JavaScript will do the whole work for you in implementing PDF to XML API in your app.

Trial version of ByteScout is available for free download from our website. This and other source code samples for JavaScript and other programming languages are available.

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ConvertPdfToXmlFromUploadedFile.js
      
/*jshint esversion: 6 */ // 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. var https = require("https"); var path = require("path"); var fs = require("fs"); // `request` module is required for file upload. // Use "npm install request" command to install. var request = require("request"); // Source PDF file const SourceFile = "./sample.pdf"; // Comma-separated list of page indices (or ranges) to process. Leave empty for all pages. Example: '0,2-5,7-'. const Pages = ""; // PDF document password. Leave empty for unprotected documents. const Password = ""; // Destination XML file name const DestinationFile = "./result.xml"; // 1. RETRIEVE PRESIGNED URL TO UPLOAD FILE. getPresignedUrl(SourceFile) .then(([uploadUrl, uploadedFileUrl]) => { // 2. UPLOAD THE FILE TO CLOUD. uploadFile(SourceFile, uploadUrl) .then(() => { // 3. CONVERT UPLOADED PDF FILE TO XML convertPdfToXml(uploadedFileUrl, Password, Pages, DestinationFile); }) .catch(e => { console.log(e); }); }) .catch(e => { console.log(e); }); function getPresignedUrl(localFile) { return new Promise(resolve => { // Prepare request to `Get Presigned URL` API endpoint let queryPath = `/file/upload/get-presigned-url?contenttype=application/octet-stream&name=${path.basename(SourceFile)}`; let reqOptions = { host: "localhost", path: encodeURI(queryPath) }; // Send request https.get(reqOptions, (response) => { response.on("data", (d) => { let data = JSON.parse(d); if (data.error == false) { // Return presigned url we received resolve([data.presignedUrl, data.url]); } else { // Service reported error console.log("getPresignedUrl(): " + data.message); } }); }) .on("error", (e) => { // Request error console.log("getPresignedUrl(): " + e); }); }); } function uploadFile(localFile, uploadUrl) { return new Promise(resolve => { fs.readFile(SourceFile, (err, data) => { request({ method: "PUT", url: uploadUrl, body: data, headers: { "Content-Type": "application/octet-stream" } }, (err, res, body) => { if (!err) { resolve(); } else { console.log("uploadFile() request error: " + e); } }); }); }); } function convertPdfToXml(uploadedFileUrl, password, pages, destinationFile) { // Prepare request to `PDF To XML` API endpoint var queryPath = `/pdf/convert/to/xml?name=${path.basename(destinationFile)}&password=${password}&pages=${pages}&url=${uploadedFileUrl}&async=True`; let reqOptions = { host: "localhost", path: encodeURI(queryPath), method: "GET" }; // Send request https.get(reqOptions, (response) => { response.on("data", (d) => { response.setEncoding("utf8"); // Parse JSON response let data = JSON.parse(d); if (data.error == false) { // Process returned job console.log(`Job #${data.jobId} has been created!`); checkIfJobIsCompleted(data.jobId, data.url, destinationFile); } else { // Service reported error console.log("convertPdfToXml(): " + data.message); } }); }) .on("error", (e) => { // Request error console.log("convertPdfToXml(): " + e); }); } function checkIfJobIsCompleted(jobId, resultFileUrl, destinationFile) { let queryPath = `/job/check?jobid=${jobId}`; let reqOptions = { host: "localhost", path: encodeURI(queryPath), method: "GET" }; https.get(reqOptions, (response) => { response.on("data", (d) => { response.setEncoding("utf8"); // Parse JSON response let data = JSON.parse(d); console.log(`Checking Job #${jobId}, Status: ${data.status}, Time: ${new Date().toLocaleString()}`); if (data.status == "working") { // Check again after 3 seconds setTimeout(function(){ checkIfJobIsCompleted(jobId, resultFileUrl, destinationFile); }, 3000); } else if (data.status == "success") { // Download XML file var file = fs.createWriteStream(destinationFile); https.get(resultFileUrl, (response2) => { response2.pipe(file) .on("close", () => { console.log(`Generated XML file saved as "${destinationFile}" file.`); }); }); } else { console.log(`Operation ended with status: "${data.status}".`); } }) }); }

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ON-PREMISE OFFLINE SDK

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

ON-DEMAND REST WEB API

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Explore Web API Docs

Explore Web API Samples

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