It is easy to add file handling, but be aware you've just stripped
your site of all security. That's why file handling was removed
in the first place.
Rod McChesney, Korobra Corporation
Bob Withers wrote:
>
> At 11:19 AM 3/1/99 +0100, you wrote:
> >servletrunner doesn't serve html-files. so you can't use servletrunner
> >with a html-page with an embedded applet. you could change the applet
> >that it behaves like a normal java-application. the java-application can
> >then access the servlet which is running on servletrunner.
> >
>
> It's actually quite easy to modify servletrunner to serve whatever type of
> files you like. I made a quick simpleminded modification to the one I'm
> using to serve html, gif, and jpeg files but you could add code to support
> external Javascript or anything else you like.
>
> I don't know the legalities of distributing modified versions of Sun's
> software so I'm not going to do that. I will tell you what I did and you
> can modify your own if you care to. Note - this is for JSDK 2.0, I haven't
> looked at 2.1.
>
> 1. In directory ..../JDSK2.0/lib/src/sun/servlet/http locate module
> HttpServerHandler.class.
>
> 2. Decompile this module. I used JAD:
> http://www.geocities.com/SiliconValley/Bridge/8617/jad.html
>
> 3. Locate the following line:
> httpresponse.sendError(403, "Will not serve files, only servlets");
>
> 4. Replace it with your code, mine is:
> //httpresponse.sendError(403, "Will not serve files, only servlets");
> String s = messagebytes.toString();
> try
> {
> File f = new File(".." + s);
> String content = "text/plain";
> if (s.endsWith("htm") || s.endsWith("html"))
> content = "text/html";
> else
> {
> if (s.endsWith("gif"))
> content = "image/gif";
> else
> {
> if (s.endsWith("jpg") || s.endsWith("jpeg"))
> content = "image/jpeg";
> }
> }
>
> httpresponse.setContentType(content);
> //System.out.println("File " + s + " length is: " + f.length());
> //httpresponse.setContentLength((int) f.length());
> httpresponse.unsetContentLength();
> InputStream in = new FileInputStream(f);
> OutputStream out = httpresponse.getOutputStream();
> int len;
> byte[] buf = new byte[1024];
> while (true)
> {
> len = in.read(buf);
> if (len < 1)
> break;
>
> out.write(buf, 0, len);
> }
> }
> catch (Exception e)
> {
> e.printStackTrace();
> httpresponse.sendError(403, "File not found " + s);
> }
>
> 5. Compile this file and rebuild your jsdk.jar in ..../JSDK2.0/lib
>
> This modification assumes that the files to be served are at or in a
> directory at the same level as the servlet directory and that the file
> references are relative to the servlet directory. For example if you have
> the following directory structure:
>
> sr_root
> html
> images
> servlet
>
> Then the URL of an image file might be ../images/mypic.gif.
>
> Regards,
> Bob
>
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