Quick Start: Converting a PDF document to an RTF file using the web service API

The following C# .NET example converts a PDF document named Loan.pdf to an RTF document named Loan.rtf. (See Converting HTML Documents to PDF Documents.)

/*

 * Ensure that you create a .NET client assembly that uses 

 * base64 encoding. This is required to populate a BLOB 

 * object with data or retrieve data from a BLOB object.

 * 

 * For information, see "Invoking LiveCycle ES using Base64 Encoding" 

 * in Programming with LiveCycle ES

 */

using System;

using System.Collections;

using System.ComponentModel;

using System.Data;

using System.IO;

using System.Web.Services;

namespace GeneratePdfWSApp

{

    class GeneratePdf_ExportPDF

    {

        [STAThread]

        static void Main(string[] args)

        {

            try

            {

                // Create a GeneratePDFServiceServicee object 

                GeneratePDFServiceService svc = new GeneratePDFServiceService();

                // Provide authentication credentials to the service

                svc.Credentials = new System.Net.NetworkCredential(

                        "administrator",

                        "password"

                        );

                //Create a BLOB that stores the PDF document to convert

                BLOB inDoc = new BLOB();

                //Specify the location of the PDF document

                string inPath = "C:\\Adobe\\Loan.pdf";

                FileStream fs = new FileStream(inPath, FileMode.Open);

                //Get the length of the file stream 

                int lenFS = (int)fs.Length;

                byte[] byteArray = new byte[lenFS];

                //Populate the byte array with the contents of the FileStream object

                fs.Read(byteArray, 0, lenFS);

                inDoc.binaryData = byteArray;

                //Convert the PDF document to a RTF document

                mapItem[] exportPDFResults = svc.ExportPDF(

                    inDoc,

                    inPath,

                    "RTF",

                    null

                    );

                //Extract the newly created RTF document

                BLOB outDoc = null;

                for (int i = 0; i < exportPDFResults.Length; i++)

                {

                    String myKey = (String)(exportPDFResults[i].key);

                    if (myKey == "ConvertedDoc")

                    {

                        outDoc = (BLOB)(exportPDFResults[i].value);

                    }

                }

                //Populate a byte array with the BLOB

                byte[] outByteArray = outDoc.binaryData;

                //Create a new file containing the returned PDF document

                string FILE_NAME = "C:\\Adobe\\Loan.rtf";

                FileStream fs2 = new FileStream(FILE_NAME, FileMode.OpenOrCreate);

                BinaryWriter w = new BinaryWriter(fs2);

                w.Write(outByteArray);

                w.Close();

                fs2.Close();

                Console.WriteLine("The PDF file was converted to a RTF document.");

            }

            catch (Exception ee)

            {

                Console.WriteLine(

                    "An unexpected exception was encountered: " +

                    ee.Message +

                    "\n" +

                    ee.StackTrace

                    );

            }

        }

    }

}

 

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