Tabex PDF API

package com.tabex.tab2ex.client;


import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.Arrays;
import javax.ws.rs.client.Client;
import javax.ws.rs.client.ClientBuilder;
import javax.ws.rs.client.Entity;
import javax.ws.rs.client.Invocation;
import javax.ws.rs.client.WebTarget;
import javax.ws.rs.core.Response;
import org.apache.commons.io.IOUtils;
import org.springframework.core.io.FileSystemResource;
import org.springframework.core.io.Resource;
import org.springframework.http.HttpEntity;
import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpMethod;
import org.springframework.http.HttpStatus;
import org.springframework.http.MediaType;
import org.springframework.http.ResponseEntity;
import org.springframework.util.LinkedMultiValueMap;
import org.springframework.util.MultiValueMap;
import org.springframework.web.client.RestTemplate;


public class Tab2exPublicApi {

    public static byte[] read(File file) throws IOException {

        ByteArrayOutputStream ous = null;
        InputStream ios = null;
        try {
            byte[] buffer = new byte[4096];
            ous = new ByteArrayOutputStream();
            ios = new FileInputStream(file);
            int read = 0;
            while ((read = ios.read(buffer)) != -1) {
                ous.write(buffer, 0, read);
            }
        } finally {
            try {
                if (ous != null) {
                    ous.close();
                }
            } catch (IOException e) {
            }

            try {
                if (ios != null) {
                    ios.close();
                }
            } catch (IOException e) {
            }
        }
        return ous.toByteArray();
    }

    public static void main(String[] args) throws IOException {
        
        String fileName = "ATTInc.1-39.pdf";
        String uri = "http://api2.pdfextractoronline.com:8089/tab2ex2/api";
        String fileNameOut = "ATTInc.1-39.xlsx";
        byte[] inputBytes = Tab2exPublicApi.read(new File(fileName));
        MultiValueMap<String, Object> multipartMap = new LinkedMultiValueMap<String, Object>();
        Resource pdfFile = new FileSystemResource(fileName);
        multipartMap.add("tab2exkey", "ABCDEFG");
        multipartMap.add("fileName", "ATTInc.1-39");
        multipartMap.add("recognitionMethod", "auto");
        multipartMap.add("outputFormat", "XLS");
        multipartMap.add("xlsExportType", "xlsx");
        multipartMap.add("file", pdfFile);
        RestTemplate template = new RestTemplate();
        HttpHeaders headers = new HttpHeaders();
        headers.setContentType(new MediaType("multipart", "form-data"));
        HttpEntity<Object> request = new HttpEntity<Object>(multipartMap, headers);
        ResponseEntity<byte[]> httpResponse = template.exchange(uri, HttpMethod.POST, request, byte[].class);
        if (httpResponse.getStatusCode().equals(HttpStatus.OK)) {
            FileOutputStream output = new FileOutputStream(new File(fileNameOut));
            IOUtils.write(httpResponse.getBody(), output);
        }
        System.out.println(httpResponse.getHeaders().toString());
    }
}

<?php

    $ch = curl_init('http://api2.pdfextractoronline.com:8089/tab2ex2/api');

    $fp = fopen("sample.xls", 'w+');
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); 
    curl_setopt($ch, CURLOPT_FILE, $fp); 
    curl_setopt($ch, CURLOPT_POST,1);

    $data = array(
        'tab2exkey'    =>    "APY_key", 
        "fileName"    =>    "sample",
        "recognitionMethod"    =>    "auto",
        "outputFormat"    =>    "XLS",
        "xlsExportType"    =>    "xlsx",
        "file" => curl_file_create('sample.pdf')
    );

    curl_setopt($ch, CURLOPT_POSTFIELDS, $data);
    curl_exec($ch);

?>

var express = require('express');
var fs = require('fs');
var request = require('request');
var router = express.Router();

router.get('/', function (req, res) {

    res.set('Content-Disposition', 'attachment; filename="sample.xls"');

    var formData = {
        tab2exkey: 'APY_key',
        fileName: 'sample',
        recognitionMethod: 'auto',
        outputFormat: 'XLS',
        xlsExportType: 'xlsx',
        file: fs.createReadStream('sample.pdf')
    };
    request.post({
        url: 'http://api2.pdfextractoronline.com:8089/tab2ex2/api',
        formData: formData
    }).pipe(res);

});

module.exports = router;

<form id=”tabex-form”>
<input id=”user-file” accept=”application/pdf” name=”file” type=”file” />
<input type=”submit” />
</form>

jQuery('#tabex-form').on('submit', function(event){
    event.preventDefault();
    var formData = new FormData();
    formData.append('tab2exkey', 'APY_key');
    formData.append('fileName', 'sample');
    formData.append('recognitionMethod', 'auto');
    formData.append('outputFormat', 'XLS');
    formData.append('xlsExportType', 'xlsx');
    formData.append('file', jQuery('#user-file').get(0).files[0]);
    
    var xhttp = new XMLHttpRequest();
    xhttp.onreadystatechange = function() {
        var a;
        if (xhttp.readyState === 4 && xhttp.status === 200) {
            a = document.createElement('a');
            a.href = window.URL.createObjectURL(xhttp.response);
            a.download = "sample.xls";
            a.style.display = 'none';
            document.body.appendChild(a);
            a.click();
        }
    };
    xhttp.open("POST", 'http://api2.pdfextractoronline.com:8089/tab2ex2/api');
    xhttp.responseType = 'blob';
    xhttp.send(formData);
});