/*****************************************************************/
/* Copyright 2013 Code Strategies                                */
/* This code may be freely used and distributed in any project.  */
/* However, please do not remove this credit if you publish this */
/* code in paper or electronic form, such as on a web site.      */
/*****************************************************************/

package com.cakes;

import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.OutputStream;

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

public class TestServlet extends javax.servlet.http.HttpServlet implements javax.servlet.Servlet {

	private static final long serialVersionUID = 1L;

	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		performTask(request, response);
	}

	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException,
			IOException {
		performTask(request, response);
	}

	private void performTask(HttpServletRequest request, HttpServletResponse response) throws ServletException,
			IOException {

		String pdfFileName = "pdf-test.pdf";
		String contextPath = getServletContext().getRealPath(File.separator);
		File pdfFile = new File(contextPath + pdfFileName);

		response.setContentType("application/pdf");
		response.addHeader("Content-Disposition", "attachment; filename=" + pdfFileName);
		response.setContentLength((int) pdfFile.length());

		FileInputStream fileInputStream = new FileInputStream(pdfFile);
		OutputStream responseOutputStream = response.getOutputStream();
		int bytes;
		while ((bytes = fileInputStream.read()) != -1) {
			responseOutputStream.write(bytes);
		}

	}

}