/**
 * Qoppa Software - Source Code Sample
 */
package jPDFWriterSamples;

import java.awt.Graphics2D;
import java.awt.print.PageFormat;
import java.awt.print.Paper;
import java.io.IOException;

import javax.servlet.ServletException;
import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import com.qoppa.pdfWriter.PDFDocument;
import com.qoppa.pdfWriter.PDFPage;

public class ServletSample extends HttpServlet
{

	/**
	* @see javax.servlet.http.HttpServlet#void (javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse)
	*/
	public void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException 
	{
		generatePDF(req, resp);
	}

	/**
	* @see javax.servlet.http.HttpServlet#void (javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse)
	*/
	public void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException
	{
		generatePDF(req, resp);
	}
	
	private void generatePDF (HttpServletRequest req, HttpServletResponse res) throws IOException, ServletException
	{
		// Get servlet output stream
		ServletOutputStream sOut = res.getOutputStream();
		res.setContentType( "application/pdf" );  
		res.setHeader("Content-disposition", "attachment; filename=" + "report.pdf" );
						  
		// Create pageformat for the document
		PageFormat pf = new PageFormat();
		Paper paper = new Paper ();
		paper.setSize(72 * 8.5, 72 * 11.0);
		pf.setOrientation(PageFormat.LANDSCAPE);
		pf.setPaper(paper);
		
		// Create a document and a page in the document
		PDFDocument pdfDoc = new PDFDocument ();
		PDFPage newPage = pdfDoc.createPage(pf);
		
		// Draw to the page
		Graphics2D g2d = newPage.createGraphics();
		g2d.drawString("This is a PDF document created from a servlet", 100, 100);
		
		// Add the page to the document
		pdfDoc.addPage(newPage);
		
		// Save the document to the servlet output stream.  This goes directly to the browser
		pdfDoc.saveDocument(sOut);

		// Close the server output stream
		sOut.close();
	}
}