// Use a ServletOutputStream because we may pass binary information
ServletOutputStream out = res.getOutputStream();
res.setContentType("text/plain"); // sanity default
// Get the resource to view
String file = req.getPathInfo();
if (file == null) {
out.println("Extra path info was null; should be a resource to view");
return;
}
// Convert the resource to a URL
// WARNING: This allows access to files under WEB-INF and .jsp source
URL url = getServletContext().getResource(file);
if (url == null) { // some servers return null if not found
out.println("Resource " + file + " not found");
return;
}
// Connect to the resource
URLConnection con = null;
try {
con = url.openConnection();
con.connect();
}
catch (IOException e) {
out.println("Resource " + file + " could not be read: " + e.getMessage());
return;
}
// Get and set the type of the resource
String contentType = con.getContentType();
res.setContentType(contentType);
// Return the resource
// WARNING: This returns files under WEB-INF and .jsp source files
try {
ServletUtils.returnURL(url, out);
}
catch (IOException e) {
res.sendError(res.SC_INTERNAL_SERVER_ERROR,
"Problem sending resource: " + e.getMessage());
}
