Quick Start: Assembling a PDF document using the web service API

The following C# .NET code example merges two PDF source documents (map.pdf and directions.pdf) into a single PDF document.

using System;

using System.Collections;

using System.ComponentModel;

using System.Data;

using System.IO ; 

namespace AssemblerWSApp

{

	class AssemblerTest

	{

		[STAThread]

		static void Main(string[] args)

		{

			try

			{

				// Create a AssemblerServiceService object

				AssemblerServiceService asOb = new AssemblerServiceService(); 

				// Provide authentication credentials to the service

				asOb.Credentials = new System.Net.NetworkCredential(

					"administrator", 

					"password"

					);

				// Create BLOBs that represents the input DDX file and PDF sources

				BLOB ddxDoc = new BLOB();

				BLOB mapDoc = new BLOB();

				BLOB optionsDoc = new BLOB();

				// Get the input DDX document and input PDF sources

				string ddxFileName = "C:\\shell.xml";

				FileStream ddxFs = new FileStream(ddxFileName, FileMode.Open);

				string pdfFileNameMap = "C:\\map.pdf";

				FileStream mapFs = new FileStream(pdfFileNameMap, FileMode.Open);

				string pdfFileNameOptions = "C:\\directions.pdf";

				FileStream optionsFs = new FileStream(pdfFileNameOptions, FileMode.Open);

				// Get the lengths of the file streams and create byte arrays

				int ddxLen = (int)ddxFs.Length;

				byte[] ddxByteArray = new byte[ddxLen];

				int mapLen = (int)mapFs.Length;

				byte[] mapByteArray = new byte[mapLen];

				int optionsLen = (int)optionsFs.Length;

				byte[] optionsByteArray = new byte[optionsLen];

				// Populate the byte arrays with the contents of the file streams

				ddxFs.Read(ddxByteArray, 0, ddxLen);

				mapFs.Read(mapByteArray, 0, mapLen);

				optionsFs.Read(optionsByteArray, 0, optionsLen);

				// Populate the BLOB objects

				ddxDoc.binaryData = ddxByteArray;

				mapDoc.binaryData = mapByteArray;

				optionsDoc.binaryData = optionsByteArray;

				// Create the map containing the PDF source documents

				mapItem[] inputMap = new mapItem[2];

				inputMap[0] = new mapItem();

				inputMap[1] = new mapItem();

				inputMap[0].key = "map.pdf";

				inputMap[0].value = mapDoc;

				inputMap[1].key = "optionsLink.pdf";

				inputMap[1].value = optionsDoc;

				// Create an AssemblerOptionsSpec object

				AssemblerOptionSpec assemblerSpec = new AssemblerOptionSpec();

				assemblerSpec.failOnError = true;

				// Send the request to the Assembler Service

				AssemblerResult result = asOb.invoke(ddxDoc,inputMap,assemblerSpec);

				// Extract the newly created PDF document from the returned map

				BLOB outDoc = null;

				mapItem[] mapResult = result.documents;

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

				{

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

					if (myKey == "out.pdf")

					{

						outDoc = (BLOB)(mapResult[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:\\out.pdf";

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

				BinaryWriter w = new BinaryWriter(fs2);

				w.Write(outByteArray);

				w.Close();

				fs2.Close();

				Console.WriteLine("The PDF files were assembled.");

			}

			catch (Exception ee)

			{

				Console.WriteLine("An unexpected exception was encountered: " + ee.Message + "\n" + ee.StackTrace);

			}

		}

	}

}

 

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