Quick Start: Rendering an interactive PDF form using the web service API

The following code example renders an interactive PDF form named Loan.xdp to a client web browser using the Forms web service API. A JPG file is attached to the form. The form design is stored in the C:\Adobe folder. (See Rendering Interactive PDF Forms.)

/*

 * Ensure that you create the Java proxy classes to use 

 * base64 encoding. This is required to populate a BLOB 

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

 * 

 * For information, see "Creating Java proxy classes using Apache Axis" 

 * in Programming with LiveCycle ES.  

 */

import java.io.IOException;

import javax.servlet.Servlet;

import javax.servlet.ServletException;

import javax.servlet.ServletOutputStream;

import javax.servlet.http.HttpServlet;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;

import java.io.FileInputStream;

import java.util.HashMap;

import javax.xml.rpc.holders.LongHolder;

import javax.xml.rpc.holders.StringHolder;

import com.adobe.idp.services.BLOB;

import com.adobe.idp.services.FormsService;

import com.adobe.idp.services.FormsServiceServiceLocator;

import com.adobe.idp.services.PDFFormRenderSpec;

import com.adobe.idp.services.URLSpec;

import com.adobe.idp.services.holders.BLOBHolder;

import com.adobe.idp.services.holders.FormsResultHolder;

public class RenderPDFFormWS extends HttpServlet implements Servlet {

	public void doGet(HttpServletRequest req, HttpServletResponse resp)

		throws ServletException, IOException {

			doPost(req,resp);

		}

	public void doPost(HttpServletRequest req, HttpServletResponse resp)

		throws ServletException, IOException {

		try{

			com.adobe.idp.services.FormsServiceServiceLocator sl = new FormsServiceServiceLocator();

			FormsService formsOb = sl.getFormsService();

			//Specify the user name and password to invoke LiveCycle ES

			((javax.xml.rpc.Stub)formsOb)._setProperty(javax.xml.rpc.Stub.

			USERNAME_PROPERTY, "administrator");

			((javax.xml.rpc.Stub)formsOb)._setProperty(javax.xml.rpc.Stub.

			PASSWORD_PROPERTY, "password");

			//Specify file attachments to attach to the form

			FileInputStream fileAttachment = new FileInputStream("C:\\rideau1.jpg"); 

			BLOB attachment1 = new BLOB(); 

			int len = fileAttachment.available(); 

			byte []fileStream = new byte[len] ;

			fileAttachment.read(fileStream); 

			attachment1.setBinaryData(fileStream); 

			String fileName = "rideau1.jpg";

			//Create a HashMap object to store file attachments

			HashMap fileAttachments = new HashMap();

			fileAttachments.put(fileName, attachment1); 

			//Create a PDFFormRenderSpec object

			PDFFormRenderSpec pdfFormRenderSpec = new PDFFormRenderSpec();

			pdfFormRenderSpec.setCacheEnabled(new Boolean(true));

			//Specify URI values used by the Forms service

			URLSpec uriValues = new URLSpec(); 

			uriValues.setApplicationWebRoot("http://localhost:8080/FormsWSQS");

			uriValues.setContentRootURI("C:\\Adobe");

			uriValues.setTargetURL("http://localhost:8080/FormsWSQS/HandleData");

			//Create class holder objects				

			BLOBHolder outRenderPDFFormResultDoc = new BLOBHolder(); 

			FormsResultHolder formsResult = new FormsResultHolder(); 

			LongHolder longHolder = new LongHolder(); 

			StringHolder stringHolder = new StringHolder();  

			//Invoke the renderPDFForm method to render 

			//an interactive PDF form

			formsOb.renderPDFForm(

					  "Loan.xdp",                  

					  null, 			     

					  pdfFormRenderSpec,        

					  uriValues,				

					  fileAttachments, 					

					  outRenderPDFFormResultDoc,

					  longHolder,

					  stringHolder,

					  formsResult); 

			//Create a BLOB object that contains form data

			BLOB formData = formsResult.value.getOutputContent();

			//Get the content type of the response and

			//set the HttpServletResponse objects content type

			String contentType = formData.getContentType();

			resp.setContentType(contentType);

			//Create a ServletOutputStream object

			ServletOutputStream oOutput = resp.getOutputStream();

			//Create a byte array that stores form data in the BLOB object

			byte[] cContent = formData.getBinaryData();

			//Write a byte stream back to the web browser. 

			//Pass the byte array

			oOutput.write(cContent);

		}catch (Exception e) {

			 System.out.println("The following error occurred during this operation " +e.getMessage());

			}	

	}

}

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