/* Get pager of users whose names begin with specified letter */
public Pager getUsersByLetterPager(String letter, int sinceDays, int length) {
String pagerUrl = null;
if (feedRequest != null) {
pagerUrl =
urlStrategy.getWeblogFeedURL(
weblog,
weblogRequest.getLocale(),
feedRequest.getType(),
feedRequest.getFormat(),
null,
null,
null,
feedRequest.isExcerpts(),
true);
} else {
pagerUrl =
urlStrategy.getWeblogPageURL(
weblog, weblogRequest.getLocale(), pageLink, null, null, null, null, 0, false);
}
if (letter != null && StringUtils.isEmpty(letter)) {
letter = null;
}
return new UsersPager(
urlStrategy, pagerUrl, letter, weblogRequest.getLocale(), sinceDays, pageNum, length);
}
/**
* Get pager ofWeblogEntry objects across all weblogs, in reverse chrono order by pubTime.
*
* @param queryWeblog Restrict to this weblog
* @param user Restrict to this user
* @param cat Restrict to this category
* @param sinceDays Limit to past X days in past (or -1 for no limit)
* @param length Max number of results to return
*/
public Pager getWeblogEntriesPager(
WeblogWrapper queryWeblog, User user, String cat, int sinceDays, int length) {
String pagerUrl = null;
if (feedRequest != null) {
pagerUrl =
urlStrategy.getWeblogFeedURL(
weblog,
weblogRequest.getLocale(),
feedRequest.getType(),
feedRequest.getFormat(),
feedRequest.getWeblogCategoryName(),
null,
feedRequest.getTags(),
feedRequest.isExcerpts(),
true);
} else {
pagerUrl =
urlStrategy.getWeblogPageURL(
weblog, weblogRequest.getLocale(), pageLink, null, null, null, tags, 0, false);
}
return new WeblogEntriesListPager(
urlStrategy,
pagerUrl,
queryWeblog.getPojo(),
user,
cat,
tags,
weblogRequest.getLocale(),
sinceDays,
pageNum,
length);
}
/** Get pager of weblogs whose handles begin with specified letter */
public Pager getWeblogsByLetterPager(String letter, int sinceDays, int length) {
String pagerUrl =
urlStrategy.getWeblogPageURL(
weblog, weblogRequest.getLocale(), pageLink, null, null, null, null, 0, false);
if (letter != null && StringUtils.isEmpty(letter)) {
letter = null;
}
return new WeblogsPager(
urlStrategy, pagerUrl, letter, weblogRequest.getLocale(), sinceDays, pageNum, length);
}
public void init(Map initData) throws WebloggerException {
// we expect the init data to contain a weblogRequest object
this.weblogRequest = (WeblogRequest) initData.get("parsedRequest");
if (this.weblogRequest == null) {
throw new WebloggerException("expected weblogRequest from init data");
}
if (weblogRequest instanceof WeblogPageRequest) {
ThemeTemplate weblogPage = ((WeblogPageRequest) weblogRequest).getWeblogPage();
pageLink = (weblogPage != null) ? weblogPage.getLink() : null;
pageNum = ((WeblogPageRequest) weblogRequest).getPageNum();
tags = ((WeblogPageRequest) weblogRequest).getTags();
} else if (weblogRequest instanceof WeblogFeedRequest) {
this.feedRequest = (WeblogFeedRequest) weblogRequest;
tags = feedRequest.getTags();
pageNum = feedRequest.getPage();
}
// look for url strategy
urlStrategy = (URLStrategy) initData.get("urlStrategy");
if (urlStrategy == null) {
urlStrategy = WebloggerFactory.getWeblogger().getUrlStrategy();
}
// extract weblog object
weblog = weblogRequest.getWeblog();
}
/*
* Get pager of most recent Comment objects across all weblogs,
* in reverse chrono order by postTime.
* @param offset Offset into results (for paging)
* @param len Max number of results to return
*/
public Pager getCommentsPager(int sinceDays, int length) {
String pagerUrl = null;
if (feedRequest != null) {
pagerUrl =
urlStrategy.getWeblogFeedURL(
weblog,
weblogRequest.getLocale(),
feedRequest.getType(),
feedRequest.getFormat(),
null,
null,
null,
feedRequest.isExcerpts(),
true);
} else {
pagerUrl =
urlStrategy.getWeblogPageURL(
weblog, weblogRequest.getLocale(), pageLink, null, null, null, null, 0, false);
}
return new CommentsPager(
urlStrategy, pagerUrl, null, weblogRequest.getLocale(), sinceDays, pageNum, length);
}
/** 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");
}