/** Handle GET requests for weblog pages. */
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
log.debug("Entering");
Weblog weblog = null;
WeblogRequest weblogRequest = null;
try {
weblogRequest = new WeblogRequest(request);
// now make sure the specified weblog really exists
weblog = weblogRequest.getWeblog();
if (weblog == null) {
throw new WebloggerException("Unable to lookup weblog: " + weblogRequest.getWeblogHandle());
}
} catch (Exception e) {
// invalid rsd request format or weblog doesn't exist
log.debug("error creating weblog request", e);
response.sendError(HttpServletResponse.SC_NOT_FOUND);
return;
}
// Respond with 304 Not Modified if it is not modified.
long lastModified = System.currentTimeMillis();
if (weblog.getLastModified() != null) {
lastModified = weblog.getLastModified().getTime();
}
if (ModDateHeaderUtil.respondIfNotModified(request, response, lastModified)) {
return;
}
// set last-modified date
ModDateHeaderUtil.setLastModifiedHeader(response, lastModified);
// set the content type
response.setContentType("application/rsd+xml; charset=utf-8");
// populate the model
HashMap model = new HashMap();
model.put("website", weblog);
model.put("absBaseURL", WebloggerRuntimeConfig.getAbsoluteContextURL());
// lookup Renderer we are going to use
Renderer renderer = null;
try {
log.debug("Looking up renderer");
Template template = new StaticTemplate("rsd.vm", "velocity");
renderer = RendererManager.getRenderer(template, DeviceType.standard);
} catch (Exception e) {
// nobody wants to render my content :(
log.error("Couldn't find renderer for rsd template", e);
if (!response.isCommitted()) response.reset();
response.sendError(HttpServletResponse.SC_NOT_FOUND);
return;
}
// render content
CachedContent rendererOutput = new CachedContent(4096);
try {
log.debug("Doing rendering");
renderer.render(model, rendererOutput.getCachedWriter());
// flush rendered output and close
rendererOutput.flush();
rendererOutput.close();
} catch (Exception e) {
// bummer, error during rendering
log.error("Error during rendering for rsd template", e);
if (!response.isCommitted()) response.reset();
response.sendError(HttpServletResponse.SC_NOT_FOUND);
return;
}
// post rendering process
// flush rendered content to response
log.debug("Flushing response output");
response.setContentLength(rendererOutput.getContent().length);
response.getOutputStream().write(rendererOutput.getContent());
log.debug("Exiting");
}
