thoerup/pictureposterservice/PictureServlet.java

package dk.thoerup.pictureposterservice;

import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.OutputStream;
import java.util.logging.Logger;

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

/**
 * Servlet implementation class PictureServlet
 */
public class PictureServlet extends HttpServlet {
        private static final long serialVersionUID = 1L;

        Logger logger = Logger.getLogger(PictureServlet.class.getName());

        protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
                String file = "";
                try {
                        String pic = request.getParameter("pic");
                        response.setContentType("image/jpeg");
                        file = "/home/app/data/PicturePoster/" + pic + ".jpeg";
                        
                        FileInputStream in = new FileInputStream( file );
                        OutputStream out = response.getOutputStream();
        
                        
                        int len;
                        byte buf[] = new byte[8192];
                        while ( (len = in.read(buf)) != -1) {
                                out.write(buf, 0, len);
                        }
                        in.close();
                        out.close();
                } catch (FileNotFoundException ex) {
                        logger.info("PictureServlet, file not found: " + file);
                        response.sendError(404);
                }
                
        }

}
1	package dk.thoerup.pictureposterservice;
2
3	import java.io.FileInputStream;
4	import java.io.FileNotFoundException;
5	import java.io.IOException;
6	import java.io.OutputStream;
7	import java.util.logging.Logger;
8
9	import javax.servlet.ServletException;
10	import javax.servlet.http.HttpServlet;
11	import javax.servlet.http.HttpServletRequest;
12	import javax.servlet.http.HttpServletResponse;
13
14	/**
15	* Servlet implementation class PictureServlet
16	*/
17	public class PictureServlet extends HttpServlet {
18	private static final long serialVersionUID = 1L;
19
20	Logger logger = Logger.getLogger(PictureServlet.class.getName());
21
22	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
23	String file = "";
24	try {
25	String pic = request.getParameter("pic");
26	response.setContentType("image/jpeg");
27	file = "/home/app/data/PicturePoster/" + pic + ".jpeg";
28
29	FileInputStream in = new FileInputStream( file );
30	OutputStream out = response.getOutputStream();
31
32
33	int len;
34	byte buf[] = new byte[8192];
35	while ( (len = in.read(buf)) != -1) {
36	out.write(buf, 0, len);
37	}
38	in.close();
39	out.close();
40	} catch (FileNotFoundException ex) {
41	logger.info("PictureServlet, file not found: " + file);
42	response.sendError(404);
43	}
44
45	}
46
47	}