public override void service(ServletRequest request, ServletResponse response)
{
QuercusHttpServletRequest req
= new QuercusHttpServletRequestImpl((HttpServletRequest)request);
HttpServletResponse res = (HttpServletResponse)response;
string uri = QuercusRequestAdapter.getPageURI(req);
CacheEntry entry = _cache.get(uri);
if (entry == null)
{
string path = getPath(req);
string relPath = path.getUserPath();
string mimeType = _context.getMimeType(uri);
entry = new CacheEntry(path, relPath, mimeType);
_cache.put(uri, entry);
}
else if (entry.isModified())
{
entry = new CacheEntry(entry.getPath(),
entry.getRelPath(),
entry.getMimeType());
_cache.put(uri, entry);
}
string ifMatch = req.getHeader("If-None-Match");
string etag = entry.getEtag();
if (ifMatch != null && ifMatch.equals(etag))
{
res.addHeader("ETag", etag);
res.sendError(HttpServletResponse.SC_NOT_MODIFIED);
return;
}
string lastModified = entry.getLastModifiedString();
if (ifMatch == null)
{
string ifModified = req.getHeader("If-Modified-Since");
bool isModified = true;
if (ifModified == null)
{
}
else if (ifModified.equals(lastModified))
{
isModified = false;
}
else
{
long ifModifiedTime;
QDate date = QDate.allocateLocalDate();
try {
ifModifiedTime = date.parseDate(ifModified);
} catch (Exception e) {
log.log(Level.FINER, e.ToString(), e);
ifModifiedTime = 0;
}
QDate.freeLocalDate(date);
isModified = ifModifiedTime == 0 ||
ifModifiedTime != entry.getLastModified();
}
if (!isModified)
{
if (etag != null)
{
res.addHeader("ETag", etag);
}
res.sendError(HttpServletResponse.SC_NOT_MODIFIED);
return;
}
}
res.addHeader("ETag", etag);
res.addHeader("Last-Modified", lastModified);
string mime = entry.getMimeType();
if (mime != null)
{
res.setContentType(mime);
}
res.setContentLength((int)entry.getLength());
string method = req.getMethod();
if (method.equalsIgnoreCase("HEAD"))
{
return;
}
string path = entry.getPath();
if (path.isDirectory())
{
res.sendError(HttpServletResponse.SC_NOT_FOUND);
return;
}
else if (!path.canRead())
{
res.sendError(HttpServletResponse.SC_NOT_FOUND);
return;
}
OutputStream os = response.getOutputStream();
path.writeToStream(os);
}
