src/org/ibex/xt/ImageConverter.java

   1 // Decompiled by Jad v1.5.8c. Copyright 2001 Pavel Kouznetsov.
   2 // Jad home page: http://www.geocities.com/kpdus/jad.html
   3 // Decompiler options: packimports(3)
   4 // Source File Name:   ImageConverter.java
   5
   6 package org.ibex.xt;
   7
   8 import java.awt.*;
   9 import java.awt.image.*;
  10 import org.ibex.util.*;
  11 import java.io.*;
  12 import javax.servlet.*;
  13 import javax.servlet.http.*;
  14
  15 public class ImageConverter extends HttpServlet {
  16
  17     public ImageConverter() { }
  18
  19     public void init(ServletConfig servletconfig) { cx = servletconfig.getServletContext(); }
  20     public void doPost(HttpServletRequest httpservletrequest, HttpServletResponse httpservletresponse)
  21         throws IOException, ServletException { doGet(httpservletrequest, httpservletresponse); }
  22
  23     public void doGet(HttpServletRequest req, HttpServletResponse resp)
  24         throws IOException, ServletException {
  25         try {
  26             if (req.getServletPath().indexOf("..") != -1) throw new IOException(".. not allowed in image paths");
  27             String s = cx.getRealPath(req.getServletPath());
  28             String s1 = s.indexOf('.') != -1 ? s.substring(0, s.lastIndexOf('.')) : s;
  29             File file = new File((new StringBuilder()).append(s1).append(".png").toString());
  30             if (!file.exists()) file = new File((new StringBuilder()).append(s1).append(".psd").toString());
  31             if (!file.exists()) file = new File((new StringBuilder()).append(s1).append(".gif").toString());
  32             if (!file.exists()) file = new File((new StringBuilder()).append(s1).append(".jpeg").toString());
  33             if (file.getAbsolutePath().endsWith(".gif")) {
  34                 resp.setContentType("image/gif");
  35                 // FIXME slow
  36                 resp.getOutputStream().write(InputStreamToByteArray.convert(new FileInputStream(file)));
  37             } else if (file.getAbsolutePath().endsWith(".jpeg")) {
  38                 resp.setContentType("image/jpeg");
  39                 // FIXME slow
  40                 resp.getOutputStream().write(InputStreamToByteArray.convert(new FileInputStream(file)));
  41             } else if (file.getAbsolutePath().endsWith(".png")) {
  42                 resp.setContentType("image/png");
  43                 // FIXME slow
  44                 resp.getOutputStream().write(InputStreamToByteArray.convert(new FileInputStream(file)));
  45             } else if (file.getAbsolutePath().endsWith(".psd")) {
  46                 PSDReader psdr = new PSDReader();
  47                 psdr.read(new FileInputStream(file));
  48                 Image img = psdr.getImage();
  49                 if (req.getParameter("height") != null) {
  50                     int height = Integer.parseInt(req.getParameter("height"));
  51                     int width = (img.getWidth(null) * height) / img.getHeight(null);
  52                     img = ((BufferedImage)img).getScaledInstance(width, height, Image.SCALE_SMOOTH);
  53                 }
  54                 System.out.println("bufferedimage is " + img);
  55                 if (!(img instanceof BufferedImage)) {
  56                     BufferedImage bi = new BufferedImage(img.getWidth(null), img.getHeight(null), BufferedImage.TYPE_INT_ARGB);
  57                     bi.getGraphics().drawImage(img, 0, 0, null);
  58                     img = bi;
  59                 }
  60                 PngEncoderB pngenc = new PngEncoderB((BufferedImage)img, true);
  61                 resp.setContentType("image/png");
  62                 // FIXME slow
  63                 resp.getOutputStream().write(pngenc.pngEncode(true));
  64             }
  65         } catch(Exception exception) {
  66             exception.printStackTrace();
  67             throw new ServletException(exception);
  68         }
  69     }
  70
  71     private ServletContext cx;
  72 }