thoerup/pictureposterservice/PictureServlet.java

package dk.thoerup.pictureposterservice;

import java.io.File;
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 fileName = "";

                String pic = request.getParameter("pic");
                response.setContentType("image/jpeg");
                fileName = "/home/app/data/PicturePoster/" + pic + ".jpeg";
                
                File file = new File(fileName);
                if (file.exists()) {
                        response.setContentLength( (int)file.length() );
                        FileInputStream in = new FileInputStream( fileName );
                        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();
                } else {
                        logger.info("PictureServlet, file not found: " + fileName);
                        response.sendError(404);
                }
                
        }

}
1	package dk.thoerup.pictureposterservice;
2
3	import java.io.File;
4	import java.io.FileInputStream;
5	import java.io.FileNotFoundException;
6	import java.io.IOException;
7	import java.io.OutputStream;
8	import java.util.logging.Logger;
9
10	import javax.servlet.ServletException;
11	import javax.servlet.http.HttpServlet;
12	import javax.servlet.http.HttpServletRequest;
13	import javax.servlet.http.HttpServletResponse;
14
15	/**
16	* Servlet implementation class PictureServlet
17	*/
18	public class PictureServlet extends HttpServlet {
19	private static final long serialVersionUID = 1L;
20
21	Logger logger = Logger.getLogger(PictureServlet.class.getName());
22
23	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
24	String fileName = "";
25
26	String pic = request.getParameter("pic");
27	response.setContentType("image/jpeg");
28	fileName = "/home/app/data/PicturePoster/" + pic + ".jpeg";
29
30	File file = new File(fileName);
31	if (file.exists()) {
32	response.setContentLength( (int)file.length() );
33	FileInputStream in = new FileInputStream( fileName );
34	OutputStream out = response.getOutputStream();
35
36
37	int len;
38	byte buf[] = new byte[8192];
39	while ( (len = in.read(buf)) != -1) {
40	out.write(buf, 0, len);
41	}
42	in.close();
43	out.close();
44	} else {
45	logger.info("PictureServlet, file not found: " + fileName);
46	response.sendError(404);
47	}
48
49	}
50
51	}